StackOverflowException when creating a new object

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  - 1
    - LongHorn Style Windows Form Hi Guys, After seeing a longhorn screen shot, I got excited by its windows style. The form of it is half transparent, and the client area is opaque. Did anyone successfully implement this style of form? I tried many ways, but can find the road to it. Kit Tag: StackOverflowException when creating a new object Tag: 89999
  - 2
    - .NET - MDI - Container - (Internet Explorer) ActiveX loses parent Hi everyone, We are currently developing an application in C# which has MDI forms. Each MDI form has a detach-button which removes the form from its parent and displays it as a regular form. In .NET, you can use the System.Windows.Forms.Form.MdiParent property. Everything seems to work when regular .NET controls are part of the MDI form. However, if there's an ActiveX control on the form, it loses its parent and gets drawn somewhere on the screen, floating, not part of the MDI parent and not part of the MDI form. This is the case with for example the Internet Explorer ActiveX (shdocvw), the Remote Desktop ActiveX (msrdp) and probably a lot of others. We did not have that problem with a third-party component, which seems to remember its direct parent. I guess we forgot something in the approach on how to handle the microsoft ActiveXs. Has anybody a clue for this problem? We already checked every property of the AxHost and Form (container, toplevelcontrol, toplevel, parent, ...) but they're all updated correctly after the detach. We also tried to toy with the SetChildIndex function... Here are the important snippets of a sample application, full source upon request. Project consists of 2 forms, MainForm (the MDI parent) and ChildForm (the MDI child). --- MainForm Load event : Start --- this.IsMdiContainer = true; ChildForm child = new ChildForm(); child.MdiParent = this; child.ShowInTaskbar = false; child.Show(); child.ChangeUrl(); --- MainForm Load event : Stop --- ChildForm has one button (DetachButton) and an Internet Explorer ActiveX (Microsoft Web Browser from the Microsoft Internet Controls) --- ChildForm : DetachButton event : Start --- private void DetachButton_Click(object sender, System.EventArgs e) { this.MdiParent = null; this.ShowInTaskbar = true; ChangeUrl(); } --- ChildForm : DetachButton event : Stop --- --- ChildForm : Public method : Start --- public void ChangeUrl() { axWebBrowser1.Navigate("http://www.microsoft.com"); } --- ChildForm : Public method : Stop --- Run the application and the MDI form will show the microsoft-website. Click detach and the form will be detached from its parent. The ActiveX starts floating and is not part of the ChildForm anymore. Thanks for your time! Wim Verbeke Tag: StackOverflowException when creating a new object Tag: 89996
  - 3
    - Howto :: Multiline DataGridView :: More precisely a Multiline DataGridViewTextBoxColumn Hi, I found less in the docs about a Multiline DataGridView. More precisely a Multiline DataGridViewTextBoxColumn --------------- I found the following infos: multiline datagridview cells? ... http://forums.microsoft.com/msdn/ShowPost.aspx?PostID=4334 DataGridViewCellStyle.WrapMode Property ... http://whidbey.msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/P_System_Windows_Forms_DataGridViewCellStyle_WrapMode.asp Sizing Options in the Windows Forms DataGridView Control ... http://msdn2.microsoft.com/library/74b2wakt(en-us,vs.80).aspx --------------- This example works for me, but does anyone have any suggestion for improvement? dgv.AutoSizeRowsMode = DataGridViewAutoSizeRowsMode.AllCells; DataGridViewCellStyle cellStyle = new DataGridViewCellStyle(); cellStyle.WrapMode = DataGridViewTriState.True; dgv.Columns["LongText"].DefaultCellStyle = cellStyle; Greetings Gordian Tag: StackOverflowException when creating a new object Tag: 89994
  - 4
    - Performance of Panel.Control.Clear Hello folks, for showing data from my database i use a Master-Panel which have added Detail-Panels for each row of the dataset. Inserting the Detail-Panels running this code disDetails.Controls.Clear() For Each r As DataRow In myDataSet Dim p As myDetailPanel p = New myDetailPanel(r) p.Dock = DockStyle.Top disDetails.Controls.Add(p) p.SendToBack() Next If i chance to the next Masterrecord and displaying the new Detailrows (maximum 15 rows) i have to wait 1-5 seconds. Cause of this bad performance I inserted "Debug.Writeline(Datetime.now.ticks)" and found that most of this time (80%) will used for running the Controls.Clear() statement. Thanks in advance for any help to get a better performance. Niels Tag: StackOverflowException when creating a new object Tag: 89993
  - 5
    - Howto :: Multiline DataGridView :: More precisely a Multiline DataGridViewTextBoxColumn Hi, I found less in the docs about a Multiline DataGridView. More precisely a Multiline DataGridViewTextBoxColumn --------------- I found the following infos: multiline datagridview cells? ... http://forums.microsoft.com/msdn/ShowPost.aspx?PostID=4334 DataGridViewCellStyle.WrapMode Property ... http://whidbey.msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/P_System_Windows_Forms_DataGridViewCellStyle_WrapMode.asp Sizing Options in the Windows Forms DataGridView Control ... http://msdn2.microsoft.com/library/74b2wakt(en-us,vs.80).aspx --------------- This example works for me, but does anyone have any suggestion for improvement? dgv.AutoSizeRowsMode = DataGridViewAutoSizeRowsMode.AllCells; DataGridViewCellStyle cellStyle = new DataGridViewCellStyle(); cellStyle.WrapMode = DataGridViewTriState.True; dgv.Columns["LongText"].DefaultCellStyle = cellStyle; Greetings Gordian Tag: StackOverflowException when creating a new object Tag: 89992
  - 6
    - Not sure of the subject... I have an app that allows users to supply custom values for various calculations; about 43 of them. I use checkboxes to identify the use or lack there of, of a custom value. I need to be able to tell when the check state changes. Instead of coding for each one of the 43 check boxes and text boxes, I'd like to have one sub that checks. I thought I would just add the name of the textbox to the checkbox tag and ctype it but I get an invalid cast exception. Here's what I am trying to accomplish: Private Sub chkFlightBlock_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles chkFlightBlock.CheckedChanged, ...., ...., chkAnotherCustom Dim ctl As TextBox ctl = CType(sender, CheckBox).Tag ctl.Enabled = CType(sender, CheckBox).Checked If CType(sender, CheckBox).Checked Then ctl.BackColor = System.Drawing.SystemColors.Window Else ctl.BackColor = System.Drawing.SystemColors.Control End If End Sub In essence, I'd like to store the name of the textbox in the checkbox and handle my code in one area instead of many different subs. Any help would be great. Thanks, Brian Tag: StackOverflowException when creating a new object Tag: 89990
  - 7
    - How to run method on Form Load? The method I want to run when my (Windows Forms app) form loads is an event triggered by a radio button selection: private void optColors_CheckedChanged(object sender, EventArgs e) But when the form is loading, there is no sender - so the below code fails: RadioButton opt = (RadioButton)sender; //exception if (opt.Checked) { string strOpt = opt.Name; setCbo(strOpt); } What I need to do is somehow check if the sender is there, and if not, set strOpt to a default value - something like this: if (sender) //pseudo code { RadioButton opt = (RadioButton)sender; } else { //code to run on Form Load only RadioButton opt = this.optColors; } if (opt.Checked) { string strOpt = opt.Name; setCbo(strOpt); } How do I check for a valid sender? Do I check for EventArgs e instead? Thanks in advance. Tag: StackOverflowException when creating a new object Tag: 89983
  - 8
    - Validating grid data Hi, I am using the winforms datagrid and want to validate the data in the cells as I leave them. If the data is invalid I want to notify the user and focus him back on that cell. I have a number of textbox columns and one combobox column. I configured those fine with the column grid styles and have validation code hooked up to them. My problem is getting back to the cell that was just validated. I use the CurrentCellChanged event to capture the cell change but the CurrentCell property indicates the new cell. I would like to set the focus back to the cell that failed validation but I can't seem to figure out where that information might be saved. I can kludge the recording of the cell prior to the cell change, but it isn't convenient. Also, the validation event doesn't get triggered unless the column changes. Is there a way to get the validation event going in this case? I'm brute-forcing a call to it from the CurrentCellChanged event. It seems to me that there must be a better way. Thanks in advance for all your help. -George Tag: StackOverflowException when creating a new object Tag: 89982
  - 9
    - REPOST - How to Detect Windows is in Fullscreen Mode? I still haven't found an answer for this. I'd thought I'd try the group again. I have a system tray app that makes visible a windows form based on a timer. I want to override the timer and not have the windows form pop up if a user is in full-screen mode, i.e. a Powerpoint Presentation or a full-screen video. Does anybody know how my application might detect when the user is in full-screen video mode? Other popular windows programs do this effectively, like the Outlook incomming message pop-up and Instant Messenger. Thanks in advance. Tag: StackOverflowException when creating a new object Tag: 89981
  - 10
    - ClickOnce after MSI Deployment I have a customer who wants to leverage ClickOnce for a WinForms app deployment from an IIS server. Some of their users are remote and only occasionally connected to the internet. As a result, they would like to have an alternate MSI installer for the app for those users who cannot get to the IIS server. My question: is there any way to take an app that is deployed via MSI and then point it at a ClickOnce publication after the fact? (and be brought up to the latest version of the published app?) Thanks, -- Darren Shaffer .NET Compact Framework MVP Principal Architect Connected Innovation www.connectedinnovation.com Tag: StackOverflowException when creating a new object Tag: 89980
  - 11
    - Drag drop is driving me INSANE! Why is it that: e.Data.GetDataPresent("WindowsForms10PersistentObject") returns true, and e.Data.GetData("WindowsForms10PersistentObject") returns null? Is it Friday yet? Tag: StackOverflowException when creating a new object Tag: 89977
  - 12
    - VB.Net Calling VB Form Hello All, I have a application that has a VB.Net form with search text box, a listview and a button. Once the user clicks on a button, it will populate the listview with some results. Once the user double clicks on a result, it will open up a VB6 form. The form is still VB6 because the .Net piece is not written yet. Anyways, the VB6 form has a "Tab Control" on it. Here is my problem. Once I click on the tab control on my VB6 form. Then if I click back to the .Net search form using the bottom task bar. Once I try to enter in a new search. My VB6 form will set focus back to itself and appear on top. Any Suggestions!!!!! Thanks, Mark Tag: StackOverflowException when creating a new object Tag: 89975
  - 13
    - OnClosing event doesn't close form Hi Group, I raise OnClosing event in a handler of a menu item. It invokes the OnClosing registered delegate but it doesnot close the form. But if i click on the close icon [X] of the form it invokes the OnClosing registered delegate and then closes the form. Can anyone help why same event handler (OnClosing) have different behaviour when invoked from code or clicked on from close button [X]. // Following is the menu event handler raising OnClosing event. private void miExit_Click(object sender, System.EventArgs e) {base.OnClosing(new CancelEventArgs(false)); } Thanks. Tag: StackOverflowException when creating a new object Tag: 89972
  - 14
    - Command Line Paramater Is there a way to add a paramater to opening the application? For instance. If I have a windows form that will modify a registry value, and I'd like to set it up so that it either closes after it runs, or it stays open. What I'd like to do is add a paramater to the command line that will indicat this. Like: c:\editreg.exe -close and the "-close" paramater would be passed into a variable somehow that would allow me to program it so that the program would automatically close when it's finished running... Any other ways I can accomplish this? Tag: StackOverflowException when creating a new object Tag: 89969
  - 15
    - UI Cues not updating in designer Got a custom container control that contains other custom subcontrols that have a custom designer. The subcontrol's designer has a couple verbs that fire off events that changes the order of that subcontrol in the parent custom control. It's another version of the collapsible panel bar, where in designer you can right click on a panel and move it up or down in the panel bar. The problem I'm having is that when I move a panel, the UI cues don't get updated. The panels will move, but the selection highlight will not move with the panel. It appears that a different control is selected than actually is. Clicking on a different panel will update the cues (except when you click on the control that is highlighted incorrectly -- the cues already indicate it is selected, so no change appears to have been made). I can't find any information on how to refresh the cues. I've tried Invalidate and Refresh in the custom container control, but they don't work. TIA. Tag: StackOverflowException when creating a new object Tag: 89966
  - 16
    - how to add editable unbound checkbox to windows form bound datagrid I need to add an editable unbound checkbox to a windows form bound datagrid using vb.net. Help! Tag: StackOverflowException when creating a new object Tag: 89965
  - 17
    - Asynchronous Drag and Drop I am trying to implement Asynchronously Drag and Drop from my windows application developed in c#. I 'd like a behavoir like winzip i.e. : when I drop on the target (a folder or the desktop) my file is not yet available and I want to start an asynchronous filetransfer managed from my application. At the end of this transfer, the drop target take the control and call the dodrop method and store the file. >From MSDN (http://msdn.microsoft.com/library/default.asp?url=/library/en-us/shellcc/platform/shell/programmersguide/shell_basics/shell_basics_programming/transferring/datascenarios.asp) I understand that this scenario is possible with a class that implement IDataObject and IASyncOperation interface. .NET give us the DataObject class that implement IDataObject but I can't find nothing about IASyncOperation (it isn't in shell32.dll). How can I implement it? Anyone has suggestions? Why it's so hard to find example about asynchronous D&D in .NET Thanks Tag: StackOverflowException when creating a new object Tag: 89959
  - 18
    - Problems with Simple DataBindings I've got problems with databindings in a windows forms application. I've wrote a component with a class (Article) with a public method (GetArticlesByRef) that returns a typed Dataset. This is the method: Public Function GetArticlesByRef(ByVal pRef As Integer) As dsArticles Dim strSQL As String = "SELECT * FROM Articles WHERE ART_REF = @Ref" Dim con As New SqlConnection("Data Source=(local);Integrated Security=SSPI;Initial Catalog=eShop") Dim cmd As New SqlCommand(strSQL, con) cmd.Parameters.Add(New SqlParameter("@Ref", SqlDbType.Int, 4)) cmd.Parameters("@Ref").Value = pRef Dim da As New SqlDataAdapter(cmd) da.TableMappings.Add("Table", "dsArticles") Dim ds As New dsArticles da.Fill(ds) Return ds End Function In the windows forms i've added a typed dataset (dsArticles1), two TextBox and one button controls. In the first textbox the user enters a ref code. The second textbox is binded to the olumn ART_DESCRIPTION of the table Articles in the Dataset. Next is the code of the click event of the button: Dim art As New Article DsArticles1.Clear() DsArticles1 = art.GetArticlesByRef(Ctype(TextBox1.Text, Integer)) When I run the application, the bind doesn't work. It Only works if I add a typed Dataset to the form and i load it from a SQLDataadapter. The problem is when i use a component. Thanks in advance. Tag: StackOverflowException when creating a new object Tag: 89956
  - 19
    - NotifyIcon stays at sys tray Hi All, Does anybody found a way to remove the notifyIcon form the systemTray after the program has closed!? Mine is stay on the sysTray and is removed after the mouse pointed at it. thx in advance Tag: StackOverflowException when creating a new object Tag: 89950
  - 20
    - Form validation problem Hi, i'm trying to force validation of each control in a form by setting focus explicitly on each control prior to calling this.Validate(). The idea is to ensure that the data is validated when the user presses the ok button on the form. The problem is that setting focus on some controls alters the state of the control. For example, setting focus on radiobuttons sets the checked state to true. Is there anyway to force control validation without altering the state of the control? I saw one eample using reflection, forcing the control's validation event to occur, but i dont want to reflect into the private methods of the .net framework for future compability. Tag: StackOverflowException when creating a new object Tag: 89948
  - 21
    - MDI Parent and MDI child.. This is a multi-part message in MIME format. ------=_NextPart_000_004B_01C586DE.477E04F0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hello groups, I have few questions, please do assist me to solve this queries... Assuming i'm using VS2005 beta 2, C# q(1). I have MDI parent and MDI child window. I have placed tools menu = in MDI parent which is containing a list of items say imagesharp, = imagecontrast etc....if i click imagesharp of MDI parent, i have to = sharp the image in MDI child. How i can communicate [ MDI Parent ---- > = MDI child ] ?? q(2). Wht are all the ways to access the MDI child member functions from = MDI parent class... ?? =20 q(3). Using this.activechild to get the current active child window, but = do know how to pass an event or variables from MDI parent to that = current active child...??? --=20 M=E4h=E9sh Kum=E4r. R=20 ------=_NextPart_000_004B_01C586DE.477E04F0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=3DContent-Type content=3D"text/html; = charset=3Diso-8859-1"> <META content=3D"MSHTML 6.00.2800.1400" name=3DGENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=3D#ffffff> <DIV><FONT face=3DArial size=3D2>Hello groups,</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>I have few questions, please do assist = me to solve=20 this queries...</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV> <DIV><FONT face=3DArial size=3D2>Assuming i'm using VS2005 beta 2,=20 C#</FONT></DIV></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>q(1). I have MDI parent and MDI = child window.=20 I have placed tools menu in MDI parent which is containing a list of = items say=20 imagesharp, imagecontrast etc....if i click  imagesharp of MDI = parent, i=20 have to sharp the image in MDI child. How i can communicate [ MDI Parent = ----=20 > MDI child ]   ??</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>q(2). Wht are all the ways to access = the MDI child=20 member functions from MDI parent class... ??</FONT></DIV> <DIV><FONT face=3DArial size=3D2> </FONT></DIV> <DIV><FONT face=3DArial size=3D2>q(3). Using this.activechild to = get the=20 current active child window, but do know how to pass an event or = variables from=20 MDI parent to that current active child...???</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>-- <BR>M=E4h=E9sh Kum=E4r. R=20 <BR></DIV></FONT></BODY></HTML> ------=_NextPart_000_004B_01C586DE.477E04F0-- Tag: StackOverflowException when creating a new object Tag: 89944
  - 22
    - No-Touch Ent Lib I am getting an error with no touch deployment using Enterpise Lib. in my project. The error is: Invalid section name. The section 'dataConfiguration' does not exist in the requested configuration file myapp.exe.config or machine.config. Make sure that the 'enterpriseLibarary.configurationSections' configuration sectino exists in tone of the files and that th esection 'dataConfiguration' is defined'. It is defined I just think it may not be copying down the dataconfiguration.config file. Has anyone else run into this or have any insight on how I would attack this. Thanks for your help! Jerry Tag: StackOverflowException when creating a new object Tag: 89937
  - 23
    - CreateInstance How expensive is CreateInstance for example..... ISomeInterface isomeType = Activator.CreateInstance(someType) as ISomeInterace; and if it is not that expensive is there anything to watch out for if i use it -- Message posted via DotNetMonster.com http://www.dotnetmonster.com/Uwe/Forums.aspx/winform/200507/1 Tag: StackOverflowException when creating a new object Tag: 89935
  - 24
    - Single instance of an app I'd like to prevent my app from running more than once. In VB6 this was simple using PrevInstance. MSDN Library describes using Diagnostics.Process.GetProcessByName to see if the the currently running thread has another instance running. Works great as Adminstrator but throws a SecurityPermission exception when run from a Windows account that only belongs to BUILTIN\Users. Is there a simple way to do this? Tag: StackOverflowException when creating a new object Tag: 89932
  - 25
    - I need a basic grid type control - not a data bound bloated control I'm at a loss to figure out how to use VB NET to create a simple, unbound grid - style Windows control to display data. I'm not interested in data- binding, sql, or OLEdb. I just want to define the size of a two dimensional grid, be able to populate it programmatically, and have it return click events when I click on a cell. Is this too much to ask for? Tag: StackOverflowException when creating a new object Tag: 89931
- Next
  - 1
    - Resolution? I have a strange bug that I can't seem to figure out. I have a VB.Net application that is deployed on 100 different computers. On two of the machines the controls on one of the forms seem to "hang" off the edge of the screen when the form is maximized. The window resizes itself perfectly fine when maximized but the controls in the form itself seem to think the form is bigger and hang off the edge of the screen and can not be reached. Changing the monitor resolution does not solve this problem. Now, keep in mind, only two of the deployments are having this problem. Every other machine that uses the application resizes the controls properly. Has anyone experienced this before? Any ideas would be extremely helpful as I've tried a LOT of different things that do not work at all. Tag: StackOverflowException when creating a new object Tag: 89929
  - 2
    - how to add editable checkbox bound datagrid I've seen similar questions asked but no answer. I need to add an editable checkbox to a bound datagrid using vb.net. Help! Tag: StackOverflowException when creating a new object Tag: 89927
  - 3
    - More questions about client areas Similar situation to other posts, but I hope I can get a better answer to mine. I have a control derived from System.Windows.Forms.ContainerControl. I do all my own painting. Consequently, the area that I wish to allow users to place controls is smaller and has a different location than the ClientRectangle. Setting the ClientSize doesn't work, as this only changes the size, not the origin. ClientRectangle is read only, and cannot be overridden. DisplayRectangle can be overridden, but it only affects child controls that are docked. If they are just anchored, they can still be placed outside of the DisplayRectangle. Essentially, all I want to do is what could easily be done by changing the size and origin of the ClientRectangle. Right now, the only way to do it is to override the OnLayout event and make sure the control is within the correct area. is there a simpler way? And if not, why can't ClientRectangle be overridden? Tag: StackOverflowException when creating a new object Tag: 89925
  - 4
    - About that new app.config Hi, I just started looking at this new typed app.config in Visual Studio 2005 and I must admit I'm very confused. I Googled quite a bit to find more information but could not found anything usable. I have a few questions and I appreciate if some of you could take the time to answer them. 1. How do I encrypt connection strings in Windows Forms apps. I read that it can be done automatically for ASP.NET apps, but this feature seems to have been left out of WinForms. Am I right? Do I need to manually code this or there's an automated way? 2. It seems that the config file is stored in a path that ends with the version number of the application (ie: c:\......\v1.0.0.0). What happens if users upgrade to v1.0.0.1 for example? Will they lose all their settings? How can I prevent this from happening? Can I store my app.configs in a version independent path (user settings and application settings)? 3. How can I access my UI project's settings from class libraries (other assemblies)? 4. How is app.config deployed with ClickOnce? 5. Why is Visual Studio 2005 creating app.configs for all the projects of my solution? It doesn't make sense to me, it should only create one for the UI project. Maybe this is a beta bug? Thanks a lot for your help and time! Carl Tag: StackOverflowException when creating a new object Tag: 89924
  - 5
    - Filled in rectangle Hi, How can I draw a rectangle in which the "pen" color is black yet the fill (or "brush") color is blue? Isn't there a way to do this with only one call to g.[Draw|Fill]Rectangle? Thanks, BT Tag: StackOverflowException when creating a new object Tag: 89923
  - 6
    - Client specific localization I've read a lot about language localization, but I'm not sure how I can apply all of that to the following problem. I have an application that I would like to "brand" for various clients. Some bitmaps and icons, labels throughout the application, etc. I would like to be able to deploy the same application at each client, and then create a unique resource file for that installation. This would also allow me to update the application and resources separately as needed (with some care to handle new resources). If possible, I would like to embed the default localization in the main app itself (so that the app could run without any external resource). If this was localization for different languages, I think I understand how to do that. To do that for the same language and just different installations, I just don't get it. Any help is much appreciated, JR Tag: StackOverflowException when creating a new object Tag: 89921
  - 7
    - Using Tab Control In my application, I'd like to have a tab control with say, 5 tabs. However, I only want to change which tab is displayed through code; in other words, the tabs are not visible to the user (disabled is not an option). Is this possible? If not, any suggestions are welcome to mimic this behaviour. If it makes a difference, I'm using WindowsForms with Managed C++. Thanks! Gary Tag: StackOverflowException when creating a new object Tag: 89920
  - 8
    - Trying to call jscript file from Winforms code I have some C# code and I am trying to get a .js file to execute, but I get an error 'Thje system cannot find the file specified'. Here is the line that I am trynig to execute: Process.Start("cscript " + "\"" + Application.StartupPath + "\\" + "MyFile.js \""); For testing, I have placed the file in my bin/debug folder. Any ideas on this would be much appreciated! Tag: StackOverflowException when creating a new object Tag: 89917
  - 9
    - ConvertFrom never gets called even I defined CanConvertFrom Hello, I am tring to define StringArrayConverter, need to do extra validation to the input strings. But ConvertFrom() method never gets called, I am not sure what is worng with the code. public class StringArrayConverter : TypeConverter { public override bool CanConvertFrom(ITypeDescriptorContext context, System.Type sourceType) { if (sourceType == typeof(string)) return true; return base.CanConvertFrom(context, sourceType); } public override object ConvertFrom( ITypeDescriptorContext context, CultureInfo culture, object value ) { string s = value as string; if ( s == null ) return new string [0]; return s.Split( '|' ); } } public class Data { [TypeConverter(typeof(StringArrayConverter))] public string[] StringArray { get { return mStringArray; } set { mStringArray = value; } } private string[] mStringArray; } Anyone? Tag: StackOverflowException when creating a new object Tag: 89916
  - 10
    - Capturing mouse, key events Hello, I'm trying to modify a C# sample app (Scribble) such that the user can draw w/o holding the mouse button down -- first mouse click turns on drawing, moving the mouse draws, and the second mouse click turns it off. In the MouseUpHandler, I set the Capture property: this.Capture = true; Some TRACE output in the MouseMove handler shows that when the cursor leaves the mdi child window, it stops getting the mouse messages. Also, after setting Capture to true in the mouseup handler (after calling base.OnMouseUp()), Capture is _false_ in the mousemove handler. While I'm just experimenting with this app, eventually I'll be drawing rubber band shapes and I need to have the rubber band drawing track with the mouse, even when it is outside the client window. Is there a way to accomplish this? Also, when a window has 'captured' the mouse, should it get all the keyboard input as well, or does something else need to be done? For example, in a differnt app, when I am drawing a rubber rectangle with the mouse button held down, my shortcut key to bring up the Open File dialog still works. TIA for any ideas. Tag: StackOverflowException when creating a new object Tag: 89915
  - 11
    - Breakpoints not working multi project solution Hi, I have a solution which contains 3 projects. (The main GUI, a WebBrowser component and the Cassini web server). Occasionally an exception will occur in my application. I cannot narrow down where the exception is occuring because VS.NET says "no source code is available for this location" (or similar). Why is VS.NET not available to debug all parts of the application? It seems that I also can't set breakpoints in the other projects - they are just ignored. All my projects are set for debug build and PDB files are generated when I compile. Could it be because parts of the code are executing in a separate thread? Can VS.NET not debug multi-threaded applications? An example of a project I'm having this issue with is the sample code here: http://www.microsoft.com/belux/nl/msdn/community/columns/desmet/hostaspnet2.mspx Any help on this would be greatly appreciated. Thanks, Nick... Tag: StackOverflowException when creating a new object Tag: 89912
  - 12
    - Anyone know how to change color for a 3D button like this button control does? Hi All, Anyone know how to change color for a 3D button like this button control does? http://www.econtechvn.com/en/aquabutton_detail.htm I see it is really cool. But, don't know how to do that. Thanks, TonyVal Tag: StackOverflowException when creating a new object Tag: 89908
  - 13
    - Graphics.DrawPath(Pen pen, GraphicsPath path) problem (arithmetic / overflow exception)... (in 2.0) I'm using 2.0 beta2 I have this method which, occasionally throw an OverflowException with the message: An arithmetic, casting, or conversion operation in a checked context results in a overflow I created everything with code looking like: override OnPaint(PaintEventArgs e) { e.Graphics.Transform = new Matrix(1, 0, 0, 1, -2411, -724); GraphicsPath path = new GraphicsPath(); path.StartFigure(); path.AddLine(new PointF(2824, 793), new PointF(2839, 792)); path.AddLine(new PointF(2839, 792), new PointF(2838, 799)); path.CloseFigure(); Pen pen = new Pen(Color.FromArgb(79, 0, 0, 255), 3.0f); e.Graphics.DrawPath(pen, path); // <= overflow exception here } what could it be? my value (like 2824) appear correctly in the debugger.... I even wrap all my code in an unchecked { } block but it didn't help... :( any idea? Tag: StackOverflowException when creating a new object Tag: 89903
  - 14
    - Notify MDI of Child Closing This is a multi-part message in MIME format. ------=_NextPart_000_0006_01C5856A.CA266A70 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable What's the best way to notify my MDIMain form that a child has closed? Thanks, Brian ------=_NextPart_000_0006_01C5856A.CA266A70 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=3DContent-Type content=3D"text/html; = charset=3Diso-8859-1"> <META content=3D"MSHTML 6.00.2900.2668" name=3DGENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=3D#ffffff> <DIV><FONT face=3DArial size=3D2>What's the best way to notify my = MDIMain form that=20 a child has closed?</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>Thanks,</FONT></DIV> <DIV><FONT face=3DArial size=3D2>Brian</FONT></DIV> <DIV> </DIV></BODY></HTML> ------=_NextPart_000_0006_01C5856A.CA266A70-- Tag: StackOverflowException when creating a new object Tag: 89899
  - 15
    - Wrong DialogResult values I have defined a base form for all dialogs in my application. For some unknown reason, when I'm calling the ShowDialog method on my dialog forms (which ared derived from the base class) I keep getting the Cancel value for the DialogResult property (and return value of the method) no matter what button I clicked. However if I derive my dialog forms directly from System.Windows.Forms.Form, I get the correct result. I appriciate your help. Tag: StackOverflowException when creating a new object Tag: 89896
  - 16
    - Add components to toolbox, cannot reference the DTE2 object... Based on the Microsoft Docs, this should be the way to get a reference to the DTE2 object: EnvDTE80.DTE2 myDTE2; myDTE2 = (EnvDTE80.DTE2)Microsoft.VisualBasic.Interaction.CreateObject("VisualStudio.DTE2.8.0", ""); I need the reference to add a new tab to the toolbox. However, everytime I run the code I get this: - e {"Cannot create ActiveX component."} System.Exception Also, in the doc it says that there is a way to get the DTE of the currently running instance of the VS.NET: EnvDTE80.DTE2 dte2; dte2 = (EnvDTE80.DTE2)System.Runtime.InteropServices.Marshal.GetActiveObject("VisualStudio.DTE2.8.0"); This one fails with: - e {"Invalid class string (Exception from HRESULT: 0x800401F3 (CO_E_CLASSSTRING))"} System.Exception {System.Runtime.InteropServices.COMException} did anybody manage to get a reference to the DTE2 object? The doc is taken from: http://msdn2.microsoft.com/library/68shb4dw(en-us,vs.80).aspx -- Regards, Iulian Tag: StackOverflowException when creating a new object Tag: 89895
  - 17
    - No double-buffering on a Panel? Is it true that double-buffering can only be performed on Form? I would like to draw to a Panel, but it flickers like crazy when resized. Thanks, BT Tag: StackOverflowException when creating a new object Tag: 89891
  - 18
    - Usable ClientRectangle for Form Hi, I am performing drawing directly on the surface of a WinForm (double buffering). My form has a menu, statusbar, etc. The ClientRectangle of my form includes the areas taken up by the menu, statusbar, etc. What I want to get is a rectangle that represents the area of the form where I need to do my drawing. Is there an easy way to get his rectangle or do I have to calculate it myself all the time? Thanks, BT Tag: StackOverflowException when creating a new object Tag: 89889
  - 19
    - MouseMove not fired after control re-position! Hi I've implemented a custom control that forms part of a video timeline (like the slider in WMP). This control represents a marker that I can place on the timeline to indicate an event within the video. I can move (drag) these markers left and right along the timeline to re-position the event. I have a tooltip that that gets activated when the user positions the mouse over one of these markers which displays the marker's current time. It updates dynamically when I drag the marker left and right... no problems so far. My problem is that the tooltip disappears when the drag slows to a stop and the mouse becomes still. When I release the mouse button the tooltip pops up again fine. So it's fine when the mouse is over the marker, fine when the mouse is down (both at the start of the move operation and during the move), but it disappears when the mouse stops moving and before the mouse button is released. When the tooltip has disappeared it does not return until I release the mouse button, even if I move the mouse again! It's as though MouseMove is not being fired just because the mouse is still down and it has become still! This is bad for my application as I want my users to be able to drag the markers to a new time, stop, check the time on the tooltip and re-position if necessary. I am setting the tooltip text on the control's MouseMove event. My tooltip has the following properties: AutomaticDelay = 0; AutoPopDelay = 300000; InitialDelay = 0; ReshowDelay = 200; ShowAlways = true; It would be nice to know the way that events are fired for the sequence: 1. MouseEnter 2. MouseDown 3. MouseMove [which moves the control] 4. [Mouse becomes still] 5. [Mouse moves again - but no MouseMove event] 6. MouseUp Anyone seen this before? Any thoughts on this? Thanks Rob. Tag: StackOverflowException when creating a new object Tag: 89887
  - 20
    - GetNestedType if i have a class that public class Jobbers { public Type ThisType() { return typeof(MyClass); } } why when i call get GetNestedType on jobbers it returns null -- Message posted via DotNetMonster.com http://www.dotnetmonster.com/Uwe/Forums.aspx/winform/200507/1 Tag: StackOverflowException when creating a new object Tag: 89878
  - 21
    - Getting A File Extension This is a multi-part message in MIME format. ------=_NextPart_000_0006_01C584D3.37D02180 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable How can I get the extension of a file from an openfiledialog? =20 Some type I might be faced with: my.File.doc This.Is.My.File.Docx Thanks, Brian ------=_NextPart_000_0006_01C584D3.37D02180 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=3DContent-Type content=3D"text/html; = charset=3Diso-8859-1"> <META content=3D"MSHTML 6.00.2900.2668" name=3DGENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=3D#ffffff> <DIV><FONT face=3DArial size=3D2>How can I get the extension of a file = from an=20 openfiledialog?  </FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>Some type I might be faced = with:</FONT></DIV> <DIV><FONT face=3DArial size=3D2>my.File.doc</FONT></DIV> <DIV><FONT face=3DArial size=3D2>This.Is.My.File.Docx</FONT></DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2>Thanks,</FONT></DIV> <DIV><FONT face=3DArial size=3D2>Brian</FONT></DIV> <DIV> </DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV> <DIV><FONT face=3DArial size=3D2></FONT> </DIV></BODY></HTML> ------=_NextPart_000_0006_01C584D3.37D02180-- Tag: StackOverflowException when creating a new object Tag: 89877
  - 22
    - mixing color.... result of multiple translucent color fill? I have some painting where I fill the same rect a few times with various translucent color. I would like to paint it only once with an opaque color which would be the mix of all my transparent colors. how do I determine the resulting color of multiple (tanslucent) color fill? Tag: StackOverflowException when creating a new object Tag: 89873
  - 23
    - PRB with UserControl and OBJECT/HTML/CLASSID I have a simple "Hello World" UserControl I wrote with VS.NET 2003 (C#). I added a method called "Hello" to return a string "Hello". I made a virtual directory that allows Script (and only script), and put the DLL on it, and then made a simple HTML file that uses an OBJECT tag to deply the DLL, where it has script to run the UserControl as show hereafter. But it does not run, saying the OBJECT does not have the method. Now I've done UserControls before, and barring the trick that IIS must be setup to run "SCRIPT ONLY", there were no problems. So what gives all of a sudden? C# code: ======================== using System; using System.Collections; using System.ComponentModel; using System.Drawing; using System.Data; using System.Windows.Forms; namespace MyNameSpace { /// <summary> /// Summary description for MyClass. /// </summary> public class MyClass : System.Windows.Forms.UserControl { /// <summary> /// Required designer variable. /// </summary> private System.ComponentModel.Container components = null; public MyClass() { // This call is required by the Windows.Forms Form Designer. InitializeComponent(); // TODO: Add any initialization after the InitComponent call } /// <summary> /// Clean up any resources being used. /// </summary> protected override void Dispose( bool disposing ) { if( disposing ) { if( components != null ) components.Dispose(); } base.Dispose( disposing ); } #region Component Designer generated code /// <summary> /// Required method for Designer support - do not modify /// the contents of this method with the code editor. /// </summary> private void InitializeComponent() { components = new System.ComponentModel.Container(); } #endregion public string SayHello(string csSayHelloTo) { System.Windows.Forms.MessageBox.Show("Hello World!!!"); return "Say hello to " + csSayHelloTo; } } } ================== HTML Code =============== <html> <body> <object id=objMyClass classid="MyClass.dll#MyNameSpace.MyClass" VIEWASTEXT > </object> </body> <script language=javascript> var objMyClass; objMyClass = document.getElementById("objMyClass"); alert(objMyClass.SayHello("World")); </script> </html> Tag: StackOverflowException when creating a new object Tag: 89868
  - 24
    - Design controls at run-time without DesignSurface? I am looking for a way to allow application users to design the controls on a given form at run-time. I have researched the use of the DesignSurface class, but wish to give the ability to design "in place". For instance, if I have a ToolStripContainer on my form with controls on the ContentPanel area, I would like to allow the controls to be designed directly in the ContentPanel. I have already attempted to declar ControlDesigner instances and calling the Initialize method, passing in the control I would like the designer to handle. To much avail, I receive "object reference not set to an instance..." errors as soon as I mouse-over the control. Can anyone shed some light on this? Thanks. Tag: StackOverflowException when creating a new object Tag: 89867
  - 25
    - Mnemonic doesn't work for buttons Hi Group! I noticed that if my C# control is started from win32 application (mmc.exe) then buttons mnemonic doesn't work. Do you have any idea how it can be fixed?? -- Best regards, Dima. Tag: StackOverflowException when creating a new object Tag: 89865

Hi all.
I am creating an apliction dll for my project.
the call lib use a custom class, when i try to create a new object of
the class
it wiill generate a StackOverflowException. i am not using any Recurse
function
in the class.
the exception occures even befor exicuting the objects constructor.
please help me

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Re: StackOverflowException when creating a new object by Bob

Bob
Wed Jul 13 07:50:47 CDT 2005

Do you have a property that references itself instead of the property
backing field?

such as:

public int Prop
{
get{return Prop;}
set{Prop=value;}
}

--
Bob Powell [MVP]
Visual C#, System.Drawing

Ramuseco Limited .NET consulting
http://www.ramuseco.com

Find great Windows Forms articles in Windows Forms Tips and Tricks
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"saje" <sajeevkumar.sajeev@gmail.com> wrote in message
news:1121248566.848473.12360@f14g2000cwb.googlegroups.com...
> Hi all.
> I am creating an apliction dll for my project.
> the call lib use a custom class, when i try to create a new object of
> the class
> it wiill generate a StackOverflowException. i am not using any Recurse
> function
> in the class.
> the exception occures even befor exicuting the objects constructor.
> please help me
>

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Re: StackOverflowException when creating a new object by Jon

Jon
Wed Jul 13 16:14:11 CDT 2005

saje <sajeevkumar.sajeev@gmail.com> wrote:
> I am creating an apliction dll for my project.
> the call lib use a custom class, when i try to create a new object of
> the class it wiill generate a StackOverflowException. i am not using any Recurse
> function in the class.
> the exception occures even befor exicuting the objects constructor.
> please help me

Could you post a short but complete program which demonstrates the
problem?

See http://www.pobox.com/~skeet/csharp/complete.html for details of
what I mean by that.

--
Jon Skeet - <skeet@pobox.com>
http://www.pobox.com/~skeet
If replying to the group, please do not mail me too

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