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- Previous
  - 1
    - PropertyGrid bug? Hi all, Maybe this has been said before, I'm sorry if it has. I'm making a custom EnumConverter for a propertygrid so it shows other values than the named values of the enum... this works pretty much correctly, and as expected, EXCEPT: When doubleclicking the dropdown box, moving the mouse wheel, or using an accelerator key for the dropdown, it ignores completely the ConverTo() function (which is called when the dropdown is popped up and a value selected), and just doesn't call it. This is a problem as I use this function to convert the string representation to the actual enum value, so the setter receives an string and it causes an invalid property value exception (and doesn't change the value, that is). I could surely make every setter check if it's a string and convert accordingly, but that'd be hell of a lot of work (i'm doing this for many different enums and properties), and that'd rather ruin the usefulness of the PropertyGrid. So is this a bug in the PropertyGrid, am I doing something worng, or is there something I have forgotten to do so I can convert to my enum value when the editor value is changed other than popping up the dropdown? If you need further explanation, let me know Thanks, Javier Campos Tag: Modal MDI Child Tag: 67393
  - 2
    - Save and restore Printer Settings Hell In my windows application I need to save runtime printer settings to an XML file when it is shutting down The next time the application starts I restore them Now there is one big problem I am not able to restore the last used values in the following cases PrinterResolution.X and PrinterResolution.Y when PrinterResolutionKind = Custo PaperSource.Name if PaperSourceKind = Custo Why PaperSource and PrinterSetting constructors are Interna PrinterResolution.X, PrinterResolution.Y and PaperSource.Name are ReadOnly propertie Do you have a solution/workaround for this shortcoming Tag: Modal MDI Child Tag: 67392
  - 3
    - Windows Service (Stopping and Staring) Hi I have developed a Windows Service When I try to start the Service it tells me that it cannot start as there may not be any work to do When I comment out below line of code in my OnStart event.... objEventLog.EnableRaisingEvents = Tru ...It starts fin I have the same issue when stopping the service because of below line of code in my OnStop even objEventLog.EnableRaisingEvents = Fals I am using .NET 2003 and I have declared objEventLog as.. Friend WithEvents objEventLog As System.Diagnostics.EventLo Does anyone have any idea as to why this is causing an issue when starting and stopping the service Thanks C Tag: Modal MDI Child Tag: 67391
  - 4
    - PropertyGrid in UserControl doesn't reflect changes to displayed class Hello. I have a propertygrid in a usercontrol which I have placed on a form. I assign a class to this property grid in the control's constructor and it displays the properties of my class with no problem. I then invoke a method on the control which updates the class displayed in the propertygrid. When I either refresh or reassign to SelectedObject, the propertygrid fails to show any change in the underlying class. My apologies if this has been covered before - I did do search, but failed to find any posts for it (or failed to recognise them if I did :) Thanks, John Tag: Modal MDI Child Tag: 67388
  - 5
    - XML and schema how do i validate a xml file with a schema using VB.net or C#? thanks Tag: Modal MDI Child Tag: 67383
  - 6
    - Problem painting Linear Gradient onto WinForm I'm trying to create a WinForm with a Linear Gradient background. That's easy enough, but any Labels I have on the form do not have their background painted correctly. Even though I have Label.BackColor set to Color.Transparent, it is using the original BackColor of the Form. Here is my code, which is called in the Paint event for the Form ... private void LoginForm_Paint(object sender, System.Windows.Forms.PaintEventArgs e) { LinearGradientBrush brush = new LinearGradientBrush( this.ClientRectangle, Color.Black, Color.Blue, LinearGradientMode.Vertical); e.Graphics.FillRectangle(brush, this.ClientRectangle); } Am I going to have to override the Paint event for the Label components as well and manually output the text? -- Cheers, David Clegg dclegg_at_ebetonline_dot_com "Where's the 'Any' Key?" - Homer Simpson Tag: Modal MDI Child Tag: 67378
  - 7
    - Problem painting WinForm with Linear Gradient background I'm trying to create a form with a Linear Gradient background. Thats easy enough, but any Labels I have on the form do not have their background painted correctly. Even though I have Label.BackColor set to Color.Transparent, it is using the original BackColor of the Form. Here is my code, which is called in the Paint event for the Form ... private void LoginForm_Paint(object sender, System.Windows.Forms.PaintEventArgs e) { LinearGradientBrush brush = new LinearGradientBrush( e.ClipRectangle, Color.Black, Color.Blue, LinearGradientMode.Vertical); e.Graphics.FillRectangle(brush, this.ClientRectangle); } Am I going to have to override the Paint event for the Label components as well and manually output the text? -- Cheers, David Clegg dclegg_at_ebetonline_dot_com "I know I'm not usually a praying man, but if you're up there, please Superman, help me!" - Homer Simpson Tag: Modal MDI Child Tag: 67375
  - 8
    - Assigning Icons to Forms As always, I am asking a stupid question 1) Creating a Direct3D graphic program 2) Create my Direct3D scree 3) I want that screen to have an icon (note that I create form through code) 4) Me.Text="Title of my screen" : ' Works 4) Me.Icon ???? What would be the command here Thank you Tag: Modal MDI Child Tag: 67365
  - 9
    - show files from database hello ng, is there a way to show a file from a database (example pdf-file), without saving the file first on hard disk? thanxs simon g. Tag: Modal MDI Child Tag: 67361
  - 10
    - .NET application does not release Excel Let me prefix with, I've done many VB6 and ASP applications that read from/write to Excel and have never had a problem. I'm not a beginner at this... I have created my first .NET Windows application that reads from Excel 2000 and writes to a tab file. I am using the code below and when stepping through the appExcel.Quit() is executed. However, the EXCEL.EXE process still runs and will run until I close the .NET application I've built. This happens in both DEBUG and RELEASE compilations. Try appExcel = New Excel.Application() ... coding tasks ... Catch ex As Exception ... error tasks ... Finally appExcel.Quit() Any ideas why Excel is not being released after the quit? I even tried adding GC.Collect() to see if it helps to force the Garbage Collection to release appExcel. Thanks, in advance. Tag: Modal MDI Child Tag: 67360
  - 11
    - system keys I am creating a control, based on TextBox. How do I filter DEL and other system keys Now I do it by trapping WM_KEYDOWN in WndProc override, but is not there a .NET way Thank you Tag: Modal MDI Child Tag: 67359
  - 12
    - Problems implementing No Touch deployment I have a WinForms app that I built a .NET setup routine and distributed on various clients. Now i want to be able to distrbute updates via "No Touch" deployment. I read Chris Sells article on "No Touch", and I setup an internal website to test. When I drop the assemblies in the web and then point to the exe via a URL I get the following: CGI Error The specified CGI application misbehaved by not returning a complete set of HTTP headers. The headers it did return are: There must be something i am missing. First off if I originally installed this app via a disk how does it know where to put the assemblies, if I point to an EXE does it know about other assemblies? Also how can I get this to run in the background without manually entering in a URL in a browser. P.S. I can run the EXE via the URL from my local dev machine. Tag: Modal MDI Child Tag: 67357
  - 13
    - Datagrid - what column is it sorted by? How do I determine what column the user sorted the textbox by and wether its ASC or DESC? (they click the header and a little arrow shows up. When they leave the form, I want to pick up what column they sorted by so when they come back, I can sort that column for them I already have the filter piece on the dataview and move to the row they were on by useing Me.DataGrid1.CurrentRowIndex = x. Please help. I have spent hours trying to figure this out Thanks very much for your time. Tag: Modal MDI Child Tag: 67356
  - 14
    - Push-button in a DataGrid I would like to put a push-button in a data grid (normal windows button). What I did is to derive from DataGridTextBoxColumn, create the button in the constructor and set it's parent to be the textbox. It shows up perfectly well when I click the textbox, but when I click any other cell, it disappears, and the idea is for all buttons in the column be visible at all times. Thanks. Tag: Modal MDI Child Tag: 67355
  - 15
    - Overflow error when drawing a form with a Windows XP theme enabled I have written an Excel Plug-in (COM) for Office 2000 and 2002, which adds a toolbar. When a button on the toolbar is pressed, a dialogue box (.NET Form) appears, with several tabs, tree views, lists, combo boxes, etc (all standard .NET controls). Sometimes, while pressing buttons or interacting with the controls, an unhandled exception message appears due to an "Overflow error", with the information below. It appears in different places each time, and the control that was drawing at the time is replaced with a red "X" on a white background. I have searched the internet for any suggestions, but can't find anything that suggests what could be causing the problem. The only lead I have is that it seems to happen with Windows XP themes are enabled, but doesn't happen if the default "teletubbies" theme is used. Do you have any suggestions about how to fix this problem, or even what the error means? Thanks, Aaron Queenan. ----- See the end of this message for details on invoking just-in-time (JIT) debugging instead of this dialog box. ************** Exception Text ************** System.OverflowException: Overflow error. at System.Drawing.Graphics.CheckErrorStatus(Int32 status) at System.Drawing.Graphics.DrawString(String s, Font font, Brush brush, RectangleF layoutRectangle, StringFormat format) at System.Windows.Forms.ControlPaint.DrawStringDisabled(Graphics graphics, String s, Font font, Color color, RectangleF layoutRectangle, StringFormat format) at System.Windows.Forms.GroupBox.OnPaint(PaintEventArgs e) at System.Windows.Forms.Control.PaintWithErrorHandling(PaintEventArgs e, Int16 layer, Boolean disposeEventArgs) at System.Windows.Forms.Control.WmPaint(Message& m) at System.Windows.Forms.Control.WndProc(Message& m) at System.Windows.Forms.GroupBox.WndProc(Message& m) at System.Windows.Forms.ControlNativeWindow.OnMessage(Message& m) at System.Windows.Forms.ControlNativeWindow.WndProc(Message& m) at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam) ************** Loaded Assemblies ************** mscorlib Assembly Version: 1.0.5000.0 Win32 Version: 1.1.4322.573 CodeBase: file:///c:/windows/microsoft.net/framework/v1.1.4322/mscorlib.dll ---------------------------------------- System Assembly Version: 1.0.5000.0 Win32 Version: 1.1.4322.573 CodeBase: file:///c:/windows/assembly/gac/system/1.0.5000.0__b77a5c561934e089/system.dll ---------------------------------------- Extensibility Assembly Version: 7.0.3300.0 Win32 Version: 7.00.9466 CodeBase: file:///E:/MKVIEW/SNAPPER/Excell_Plugin/Bin/Extensibility.DLL ---------------------------------------- System.Drawing Assembly Version: 1.0.5000.0 Win32 Version: 1.1.4322.573 CodeBase: file:///c:/windows/assembly/gac/system.drawing/1.0.5000.0__b03f5f7f11d50a3a/system.drawing.dll ---------------------------------------- System.Windows.Forms Assembly Version: 1.0.5000.0 Win32 Version: 1.1.4322.573 CodeBase: file:///c:/windows/assembly/gac/system.windows.forms/1.0.5000.0__b77a5c561934e089/system.windows.forms.dll ---------------------------------------- CustomMarshalers Assembly Version: 1.0.5000.0 Win32 Version: 1.1.4322.573 CodeBase: file:///c:/windows/assembly/gac/custommarshalers/1.0.5000.0__b03f5f7f11d50a3a/custommarshalers.dll ---------------------------------------- <snip> ---------------------------------------- ************** JIT Debugging ************** To enable just in time (JIT) debugging, the config file for this application or machine (machine.config) must have the jitDebugging value set in the system.windows.forms section. The application must also be compiled with debugging enabled. For example: <configuration> <system.windows.forms jitDebugging="true" /> </configuration> When JIT debugging is enabled, any unhandled exception will be sent to the JIT debugger registered on the machine rather than being handled by this dialog. Tag: Modal MDI Child Tag: 67353
  - 16
    - Problem with showing/hiding forms I'm trying to convert my VB6 app to VB.NET and having loads of difficulty getting some forms to show correctly. I have seen similiar type of posts as mine, but nothing has worked for me I have an MDI container form(frmICD) and a Sub Main where the app first starts up. When I first run the app, frmlogon gets called from Sub Main to get the username and password. Once the user hits ok, code in frmlogon gets the next form (frmmainmenu) ready. I have verified via debugger that frmmainmenu is visible. I call frmlogon.hide, the app returns to the Sub Main and the program terminates. Is there a reason this is happening or What am I missing I tried to add this line of code in frmlogon: 'System.Windows.Forms.Application.Run(New frmMainMenu)' but I receive this error message: 'It is invalid to start a second message loop on a single thread'. I'm assuming I get this because frmmainmenu is already visible? I don't know. If anyone can help or can tell me somewhere that has good examples of working with MDI forms and childs, it would be greatly appreciated Joe Tag: Modal MDI Child Tag: 67351
  - 17
    - Drawing.dll "The object is currently in use elsewhere" I have an app which makes a number of calls to Drawing.DLL. It seems to crash at random points during program execution. No matter how I try to surround every call with try / catch blocks I simply cannot pinpoint the error. The debugger takes me into the DLL's assembler code. This indefinite use of the definite article "the object" is a common MS figure of speech. Does anyone have any idea which object it could be that's in use and what the problem might be ? Bob Tag: Modal MDI Child Tag: 67350
  - 18
    - window: Always in front / always on top Hello, i'm building an application and i want my window to always be on top. The perfect example off this is the windows task manager. I've translated dutch back into english, so i don't know if it's the exact translation: In the menu options the first menu option is "Always in front". Does anyone know the code for that in c#.NET? (the window should NOT get the focus though) Thanks in advance. Jeroen Pot Tag: Modal MDI Child Tag: 67348
  - 19
    - Bug in PrintPreviewDialog? I had a devil of a time setting the Icon for a class I made that inherits from PrintPreviewDialog. I noticed that someone else (post is in microsoft.public.dotnet.languages.csharp) had this same question. I created a new dialog: public class WindowsPrintPreviewDialogExtended : System.Windows.Forms.PrintPreviewDialog When I bring this class up in Visual Studio in designer mode, it has almost no properties. Just Document, UseAntiAlias, (DynamicProperties), (Name), DrawGrid, GridSize, Locked, SnapToGrid, Language, and Localizable. Many of the properties available for other forms, in particular the whole WindowStyle group, don't show up. Furthermore, when looking at code, typing "this." shows the Intellisense list for the class, which is just as sparse. There seems no way to set the icon. However, if you do the following, you can set it by hand: 1. Add "using System.Globalization;" to your code. 2. At the start of your constructor, add: System.Resources.ResourceManager resources = new System.Resources.ResourceManager(typeof(<yourClassName>)); where <yourClassName> is the name of your class. 3. After "InitializeComponent();" add: this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon"))); Never mind that Intellisense doesn't recognize "Icon" as a valid property. In this case (for some reason) Intellisense isn't very intelligent. 4. Create a normal, vanilla Form in your project. Set the icon in that form. Now open the form's .resx file in Visual Studio. Switch to .XML mode. At the bottom of the file you will see a <data> tag with the name "$this.Icon". Copy this entire tag (down to and including </data>) onto the clipboard. 5. Open the .resx file for your print preview dialog in Visual Studio. Switch to XML mode. Paste the <data> tag and all of its contents to the end of the file, just before the </root> closing tag. 6. Delete the vanilla form that you added to your project. This will set the icon for your print preview dialog. Does anyone have any idea why PrintPreviewDialog would act like this? Does anyone know why, in the .NET documentation, PrintPreviewDialog is listed as having no Icon property under "list all members", even though its parent class, "System.Windows.Forms.Form", according to the same documentation, has a public Icon property? (And in .NET it's impossible to obscure properties of parent classes.) To add to the mystery, there is documentation for a PrintPreviewDialog.Icon property (oddly inaccessible from the documentation for PrintPreviewDialog), that claims that "This member supports the .NET Framework infrastructure and is not intended to be used directly from your code." You can see it here: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlrfSystemWindowsFormsPrintPreviewDialogClassIconTopic.asp Curiouser and curiouser. Tag: Modal MDI Child Tag: 67347
  - 20
    - empty or null in combobox Hello how do i this: In a form there is a combobox. The combobox is bound to a lookuptable. What i have to do, that a empty oder null value could be choosen, but the empty/null value isn't in the lookup table. Thank you Matthias Tag: Modal MDI Child Tag: 67344
  - 21
    - Binding textboxes to dataset relationship I have 2 textboxes. Each show a field from a different table (2 tables). The dataset has a relationship defined. I want my navigation button to navigate through the records. So that when the record in one table is selected, the textboxes bound to the other table change accordingly Also, there might not be a relationship associated between the tables for certain records any ideas? Tag: Modal MDI Child Tag: 67341
  - 22
    - CheckedListBox Hi I'm trying to use CheckedListBox.SetItemChecked method and i'm not getting anything checked I tried to bind checkedlistbox like this Dim cn As SqlConnectio Dim cm As SqlComman Tr cn = new SqlConnection(my_con_string cn.ope cm = new SqlCommand(cn With c .CommandType = CommandType.StoredProcedur .CommandText = "my_sp End Wit Dim da As SqlDataAdapter = DataBaseObjectProvider.OpenAdapter(cm Dim dt As DataTable = New DataTabl da.Fill(dt cbo.DataSource = d cbo.DisplayMember = strDisplayMembe cbo.ValueMember = strValueMembe da.Dispose( cm.Dispose( cn.Close( cn.Dispose( or like this Dim cn As SqlConnectio Dim cm As SqlComman Tr cn = new SqlConnection(my_con_string cn.ope cm = new SqlCommand(cn With c .CommandType = CommandType.StoredProcedur .CommandText = "my_sp End Wit Dim dr As SqlDataReader = cm.ExecuteReader(CommandBehavior.Default Dim arl As New ArrayLis Do While dr.Rea arl.Add(New ListControlItem(CType(dr.Item(strDisplayMember), String), CType(dr.Item(strValueMember), Integer)) Loo cbo.DataSource = ar cbo.DisplayMember = "Text cbo.ValueMember = "Value dr.Close( cm.Dispose( cn.Close( cn.Dispose( where ListControlItem looks like this Public Class ListControlIte Private m_Text As Strin Private m_Value As Intege Public Property Text() As Strin Ge Return m_Tex End Ge Set(ByVal Value As String m_Text = Valu End Se End Propert Public Property Value() As Intege Ge Return m_Valu End Ge Set(ByVal Value As Integer m_Value = Valu End Se End Propert Public Sub New(ByVal text As String, ByVal value As Integer m_Text = tex m_Value = valu End Su End Clas In both cases I get valid data in checkedlistbox But when I use SetItemChecked(index, true) nothing is shown. I get ItemChecked event with newvalue = Checked But it doesn't show item is being checked Does anybody know what I'm doing wrong Thanks Tag: Modal MDI Child Tag: 67338
  - 23
    - Crystal Viewer - suppresion formulas Hi I have a problem with a crystal reports viewer I have developed with VS.NET 2003. Everything was working fine until I tried to view reports with suppression formulas... Eg. suppress (no Drill Down) group header 3 when: DrillDownGroupLevel < this formula should return True or false and work fine when I run it in crystal report v9 but with the viewer I get the error message "Error in File ReportPath\ReportName.rp Error in formula <Section_Visibility 'DrillDownGroupLevel < 1 The remaining text does not appear to be part of the formula I am desperate for some help as I can't figure out what is wrong... Any comments or suggestions would be welcome Thank you Georges Tag: Modal MDI Child Tag: 67336
  - 24
    - Exporting an unvisible datagrid to excel C# Hi I've got a datagrid I want to export to excel, but do not want to display it on the webform. If I make it unvisible, it doesn't export the data in the datagrid. But if visible, it does export data. Do you know how I can still keep the datagrid unvisible, but be able to export the data? Tag: Modal MDI Child Tag: 67325
  - 25
    - Deployment COM Interop question Hello All, I have a .NET component which needs to be deployed on the target machine so that It can be exposed to the COM world. On the development machine, the 'register for com interop' setting when set to true, does the trick. When I deploy it on a target machine (I am using Installshield Professional 6.3) how do I register the assembly? Has anybody done it through installshield? The other thing is when If I copy this assembly on the target machine, and run regasm MyAssembly.dll, I can see the Object in the OLE / COM viewer but not the interface which this object implements. Am I doing something wrong. The tlb that is generated during the build is a separate file and its not embedded in the dll. Any inputs? TIA, --Saurabh PS : Sorry for posting to this newsgroup though its not exactly a forms question Tag: Modal MDI Child Tag: 67323
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  - 1
    - Deployment COM Interop question Hello All, I have a .NET component which needs to be deployed on the target machine so that It can be exposed to the COM world. On the development machine, the 'register for com interop' setting when set to true, does the trick. When I deploy it on a target machine (I am using Installshield Professional 6.3) how do I register the assembly? Has anybody done it through installshield? The other thing is when If I copy this assembly on the target machine, and run regasm MyAssembly.dll, I can see the Object in the OLE / COM viewer but not the interface which this object implements. Am I doing something wrong. The tlb that is generated during the build is a separate file and its not embedded in the dll. Any inputs? Tag: Modal MDI Child Tag: 67322
  - 2
    - ShowWindow API Hi Is there any API using which I can do exactly the reverse thing that an ShowWindow method os User32.dll does I want to make a window disappear..... Any 1 can help Tag: Modal MDI Child Tag: 67315
  - 3
    - Problem between different Lang. VS.net2003? I have create a winform app, but when I open it in Traditional Chinese, the size of the buttons, panel all changed become bigger.....why is this? anyone have clue? Tag: Modal MDI Child Tag: 67308
  - 4
    - Having trouble with ShowInTaskBar property and child windows, any idea? Hi All, (I have posted similiar question ealier. Hope the other smart ones can also catch this mesage instead.) I have an windows form application that dynamically creates a lot of child windows. I want such that when the user clicks on one of the child windows, the window should goes to the front, but NOT the other windows. If I set the ShowInTaskBar property to true for all the child windows, then I get the effect (as mentioned above) that I want. But if the property is set to false. Any time I click on one of the child windows, the window goes to the top, but so DOES the other child windows! Can anyone may tell me why and give me a hint or two to resolve this issue? - JB P.S. Thanks for Iulian and other posters who gave me some sugestions in the past. Tag: Modal MDI Child Tag: 67307
  - 5
    - Auto-hide panels Do you know a control (free or cheap) that can do what we have into VS.Net IDE that has the auto-hide feature and that you can pin ? -- TIA Éric Moreau, MCSD Conseiller Principal / Senior Consultant Concept S2i inc.(www.s2i.com) Tag: Modal MDI Child Tag: 67300
  - 6
    - ToolTipText length The length of the ToolTipText in my TabPage ToolTipText does not seem to display all the text I included in the ToolTipText property. Is there a maximum length? Can this value be changed (Repeat the above quickly for yuks, but please still answer the post! Michael Tag: Modal MDI Child Tag: 67299
  - 7
    - UserControl as Items in ListBox Folks Does anyone know how to successfully use a collection (ArrayList) of UserControl as the items for a System.Windows.Forms.ListBox I am trying to make the rows in a listbox contain multiple columns, some of whic are text, some of which are images and some of which are checkboxes. The use simply needs to select the desired row I tried using a DataGrid, but am unable to get the desired look It appears to be necessary to set DrawMode to OwnerDrawFixed and the implement the DrawItem event handler. Sadly, though, the user contro never seems to display Any ideas Daniel Tag: Modal MDI Child Tag: 67296
  - 8
    - background color of columns I would like to set the background color of my datagrid to a certain color. Except for one column, that should be white. How can I do this? I have a datagridtablestyle and each column is a datagridtextboxcolumn. thanks! Eric. Tag: Modal MDI Child Tag: 67293
  - 9
    - combobox and listview I would like to do a search from a combobox and display the data on a listview Tag: Modal MDI Child Tag: 67289
  - 10
    - Unable to Debug Forms and most subroutines After months (really) of fiddling, I found out how to get debugging to work - under Debug > Exceptions, make sure Unhandled Exceptions break the code into the debugger and allow Visual Basic in the Options dialog to edit files while debugging Anyway, on to my problem...I'm creating our own manufacturing software, IC, MRP, AP, AR, you get the idea. I'm on such a tight schedule I didn't have time to learn ADO.NET, so I created an active-x control in VB 6 that exposes the DAO functions and properties. It works like this Dim msDAO as eDAO10182004.eDA msDAO = Me.DAO_ICMAIN.GetOc msDAO.DatabasePath = Unified.Settings.DataPath & "\Inventory Control.mdb msDAO.RecordsetSQL = "SELECT * FROM [tblItemsMaster] WHERE [Item Number] = '" & Me.cboItemNumber.Text & "' msDAO.OpenConnectio You would then access the data through the msDAO.Recordset property. However, when it comes to debugging...hehehehe I cannot use breakpoints or debug any form that has an Active-X control on it, whether it is mine, or one of Microsoft's (The Windows Forms Controls are okay though). Instead, I sometimes get a error message, but most of the time the program just quits without warning. It makes it hell for me because I keep having to write message boxes to figure out where in my code I am. Try...Catch statements don't even work on any subroutine that references an Active-X control. I'm at my wit's end. It takes hours a day to track down one bug. Just one I'm using VB .NET 2003 Can someone, perhaps someone from Microsoft help me? Tag: Modal MDI Child Tag: 67283
  - 11
    - Scalability of Smart Cients Hi! We want to develop a Smart Client using .NET Remoting and No Touch Deployment (loading the Assemblys directly from the Webserver except that there is no younger version). However, wie are wondering, how scalable the Smart Client is, for example, if thousand people want to download the new release on monday morning. Does anyone know, if there are limits, where you should use a web client instead? Are there any possibilities to solve this problem? Thank you, Christoph Tag: Modal MDI Child Tag: 67282
  - 12
    - Why is windows forms controls bolding so hard? Why are fonts so hard to use in .NET? All I want to do is bold the font in runtime - yet, xxx.xxx.Font.Bold is readonly. The only way I can see to bold a font for anything at run time is to change the font to a whole NEW font; i.e., for my listview subitem I have to say: lst.SubItems(6).Font = New System.Drawing.Font(lst.SubItems(6).Font, Drawing.FontStyle.Bold) Again, I don't want to change the font itself, just make it bold (or italic). Is this the only way to do it? Or am I missing an easier way? Thanks. Tom Tag: Modal MDI Child Tag: 67280
  - 13
    - Rich Text Box I'm using VB.net and SQL server 2000. I have a Windows form that has a Rich Text Box on it. I also have a Font Dialog Box that changes the font and size in the Rich Text box. When I do a normal update to the database the font info is not included. How do I save font information to a database. Thank you, E Tag: Modal MDI Child Tag: 67278
  - 14
    - FolderBrowserDialog- No Disk error Greetings lately, whenever I call the FolderBRowserDialog (Visual Basic.net 2003) and there is no media in my internal zip drive D:, I get the following eror No Dis There is no disk in the dirve. Please insert a disk into drive \Device\Harddisk1\DR1 I see this is a common error, but I do not know how to solve it in this context Thank Randy Tag: Modal MDI Child Tag: 67277
  - 15
    - Form Inheritance vs. Anchor/Dock I'm still using VS.NET 2002. I just learned what disease I'm suffering from: Form Properties Aren't Virtual Syndrome. The example that's been killing me is having controls in a base form anchor and/or dock. Then, if the derived form is a different size, one finds that these inherited controls anchor and/or dock to the size of the base form, not the size of the derived form. One notices this problem when the designers update after doing a build... I read something in this newsgroup that suggests this problem is fixed in VS.NET 2003. Is that the case? Also, is there a workaround for this in VS.NET 2002, other than not using anchor or dock in base forms? I'm about to try using anchor and/or dock in the most-derived form, which it seems might work. Is there a better way in VS.NET 2002? Thanks for any help. I'm reaching the limits of what I can do with Windows Forms without actually reading a good book on it. It's really amazing that it's possible to go so far without actually knowing what I'm doing! -- John Saunders John.Saunders at SurfControl.com Tag: Modal MDI Child Tag: 67276
  - 16
    - Showing all tooltips at once... Hi, How can I show all tooltips at the same time? I have 12 tabs, and 500 controls in a form. When the user presses 'Control' button, I want to show all the shortcuts available... How can I achieve this? Thank you, HyperX. Microsoft .NET 1.1, VS.NET 2003, WindowsForms. Tag: Modal MDI Child Tag: 67274
  - 17
    - WM_Message enumeration If anyone is interested I wrote a Quick and Dirty to extract WM_Messages from the WinUser.h file and put it into an enumertion which I use while checking messages so I an get the WM_XXXXXXX when I debug. ////////////////////////////////////////////////////////////////////////////////// using System /// <summary /// Summary description for WM_Messages /// </summary public enum WM_Message WM_NULL = 0x0000, // WM_CREATE = 0x0001, // WM_DESTROY = 0x0002, // WM_MOVE = 0x0003, // WM_SIZE = 0x0005, // WM_ACTIVATE = 0x0006, // WM_SETFOCUS = 0x0007, // WM_KILLFOCUS = 0x0008, // WM_ENABLE = 0x000A, //1 WM_SETREDRAW = 0x000B, //1 WM_SETTEXT = 0x000C, //1 WM_GETTEXT = 0x000D, //1 WM_GETTEXTLENGTH = 0x000E, //1 WM_PAINT = 0x000F, //1 WM_CLOSE = 0x0010, //1 WM_QUERYENDSESSION = 0x0011, //1 WM_QUERYOPEN = 0x0013, //1 WM_ENDSESSION = 0x0016, //2 WM_QUIT = 0x0012, //1 WM_ERASEBKGND = 0x0014, //2 WM_SYSCOLORCHANGE = 0x0015, //2 WM_SHOWWINDOW = 0x0018, //2 WM_WININICHANGE = 0x001A, //2 WM_DEVMODECHANGE = 0x001B, //2 WM_ACTIVATEAPP = 0x001C, //2 WM_FONTCHANGE = 0x001D, //2 WM_TIMECHANGE = 0x001E, //3 WM_CANCELMODE = 0x001F, //3 WM_SETCURSOR = 0x0020, //3 WM_MOUSEACTIVATE = 0x0021, //3 WM_CHILDACTIVATE = 0x0022, //3 WM_QUEUESYNC = 0x0023, //3 WM_GETMINMAXINFO = 0x0024, //3 WM_PAINTICON = 0x0026, //3 WM_ICONERASEBKGND = 0x0027, //3 WM_NEXTDLGCTL = 0x0028, //4 WM_SPOOLERSTATUS = 0x002A, //4 WM_DRAWITEM = 0x002B, //4 WM_MEASUREITEM = 0x002C, //4 WM_DELETEITEM = 0x002D, //4 WM_VKEYTOITEM = 0x002E, //4 WM_CHARTOITEM = 0x002F, //4 WM_SETFONT = 0x0030, //4 WM_GETFONT = 0x0031, //4 WM_SETHOTKEY = 0x0032, //5 WM_GETHOTKEY = 0x0033, //5 WM_QUERYDRAGICON = 0x0037, //5 WM_COMPAREITEM = 0x0039, //5 WM_GETOBJECT = 0x003D, //6 WM_COMPACTING = 0x0041, //6 WM_COMMNOTIFY = 0x0044, //68 /* no longer suported */ WM_WINDOWPOSCHANGING = 0x0046, //7 WM_WINDOWPOSCHANGED = 0x0047, //7 WM_POWER = 0x0048, //7 WM_COPYDATA = 0x004A, //7 WM_CANCELJOURNAL = 0x004B, //7 WM_NOTIFY = 0x004E, //7 WM_INPUTLANGCHANGEREQUEST = 0x0050, //8 WM_INPUTLANGCHANGE = 0x0051, //8 WM_TCARD = 0x0052, //8 WM_HELP = 0x0053, //8 WM_USERCHANGED = 0x0054, //8 WM_NOTIFYFORMAT = 0x0055, //8 WM_CONTEXTMENU = 0x007B, //12 WM_STYLECHANGING = 0x007C, //12 WM_STYLECHANGED = 0x007D, //12 WM_DISPLAYCHANGE = 0x007E, //12 WM_GETICON = 0x007F, //12 WM_SETICON = 0x0080, //12 WM_NCCREATE = 0x0081, //12 WM_NCDESTROY = 0x0082, //13 WM_NCCALCSIZE = 0x0083, //13 WM_NCHITTEST = 0x0084, //13 WM_NCPAINT = 0x0085, //13 WM_NCACTIVATE = 0x0086, //13 WM_GETDLGCODE = 0x0087, //13 WM_SYNCPAINT = 0x0088, //13 WM_NCMOUSEMOVE = 0x00A0, //16 WM_NCLBUTTONDOWN = 0x00A1, //16 WM_NCLBUTTONUP = 0x00A2, //16 WM_NCLBUTTONDBLCLK = 0x00A3, //16 WM_NCRBUTTONDOWN = 0x00A4, //16 WM_NCRBUTTONUP = 0x00A5, //16 WM_NCRBUTTONDBLCLK = 0x00A6, //16 WM_NCMBUTTONDOWN = 0x00A7, //16 WM_NCMBUTTONUP = 0x00A8, //16 WM_NCMBUTTONDBLCLK = 0x00A9, //16 WM_NCXBUTTONDOWN = 0x00AB, //17 WM_NCXBUTTONUP = 0x00AC, //17 WM_NCXBUTTONDBLCLK = 0x00AD, //17 WM_INPUT = 0x00FF, //25 WM_KEYFIRST = 0x0100, //25 WM_KEYDOWN = 0x0100, //25 WM_KEYUP = 0x0101, //25 WM_CHAR = 0x0102, //25 WM_DEADCHAR = 0x0103, //25 WM_SYSKEYDOWN = 0x0104, //26 WM_SYSKEYUP = 0x0105, //26 WM_SYSCHAR = 0x0106, //26 WM_SYSDEADCHAR = 0x0107, //26 WM_UNICHAR = 0x0109, //26 WM_KEYLAST = 0x0109, //26 WM_KEYLASTBefore0x0501 = 0x0108, //264 WM_IME_STARTCOMPOSITION = 0x010D, //269 WM_IME_ENDCOMPOSITION = 0x010E, //270 WM_IME_COMPOSITION = 0x010F, //271 WM_IME_KEYLAST = 0x010F, //271 WM_INITDIALOG = 0x0110, //272 WM_COMMAND = 0x0111, //273 WM_SYSCOMMAND = 0x0112, //274 WM_TIMER = 0x0113, //275 WM_HSCROLL = 0x0114, //276 WM_VSCROLL = 0x0115, //277 WM_INITMENU = 0x0116, //278 WM_INITMENUPOPUP = 0x0117, //279 WM_MENUSELECT = 0x011F, //287 WM_MENUCHAR = 0x0120, //288 WM_ENTERIDLE = 0x0121, //289 WM_MENURBUTTONUP = 0x0122, //290 WM_MENUDRAG = 0x0123, //291 WM_MENUGETOBJECT = 0x0124, //292 WM_UNINITMENUPOPUP = 0x0125, //293 WM_MENUCOMMAND = 0x0126, //294 WM_CHANGEUISTATE = 0x0127, //295 WM_UPDATEUISTATE = 0x0128, //296 WM_QUERYUISTATE = 0x0129, //297 WM_CTLCOLORMSGBOX = 0x0132, //306 WM_CTLCOLOREDIT = 0x0133, //307 WM_CTLCOLORLISTBOX = 0x0134, //308 WM_CTLCOLORBTN = 0x0135, //309 WM_CTLCOLORDLG = 0x0136, //310 WM_CTLCOLORSCROLLBAR = 0x0137, //311 WM_CTLCOLORSTATIC = 0x0138, //312 WM_MOUSEFIRST = 0x0200, //512 WM_MOUSEMOVE = 0x0200, //512 WM_LBUTTONDOWN = 0x0201, //513 WM_LBUTTONUP = 0x0202, //514 WM_LBUTTONDBLCLK = 0x0203, //515 WM_RBUTTONDOWN = 0x0204, //516 WM_RBUTTONUP = 0x0205, //517 WM_RBUTTONDBLCLK = 0x0206, //518 WM_MBUTTONDOWN = 0x0207, //519 WM_MBUTTONUP = 0x0208, //520 WM_MBUTTONDBLCLK = 0x0209, //521 WM_MOUSEWHEEL = 0x020A, //522 WM_XBUTTONDOWN = 0x020B, //523 WM_XBUTTONUP = 0x020C, //524 WM_XBUTTONDBLCLK = 0x020D, //525 WM_MOUSELAST = 0x020D, //525 WM_MOUSELASTBefore0x0500 = 0x020A, //522 WM_MOUSELASTBefore0x0400 = 0x0209, //521 WM_PARENTNOTIFY = 0x0210, //528 WM_ENTERMENULOOP = 0x0211, //529 WM_EXITMENULOOP = 0x0212, //530 WM_NEXTMENU = 0x0213, //531 WM_SIZING = 0x0214, //532 WM_CAPTURECHANGED = 0x0215, //533 WM_MOVING = 0x0216, //534 WM_POWERBROADCAST = 0x0218, //536 WM_DEVICECHANGE = 0x0219, //537 WM_MDICREATE = 0x0220, //544 WM_MDIDESTROY = 0x0221, //545 WM_MDIACTIVATE = 0x0222, //546 WM_MDIRESTORE = 0x0223, //547 WM_MDINEXT = 0x0224, //548 WM_MDIMAXIMIZE = 0x0225, //549 WM_MDITILE = 0x0226, //550 WM_MDICASCADE = 0x0227, //551 WM_MDIICONARRANGE = 0x0228, //552 WM_MDIGETACTIVE = 0x0229, //553 WM_MDISETMENU = 0x0230, //560 WM_ENTERSIZEMOVE = 0x0231, //561 WM_EXITSIZEMOVE = 0x0232, //562 WM_DROPFILES = 0x0233, //563 WM_MDIREFRESHMENU = 0x0234, //564 WM_IME_SETCONTEXT = 0x0281, //641 WM_IME_NOTIFY = 0x0282, //642 WM_IME_CONTROL = 0x0283, //643 WM_IME_COMPOSITIONFULL = 0x0284, //644 WM_IME_SELECT = 0x0285, //645 WM_IME_CHAR = 0x0286, //646 WM_IME_REQUEST = 0x0288, //648 WM_IME_KEYDOWN = 0x0290, //656 WM_IME_KEYUP = 0x0291, //657 WM_MOUSEHOVER = 0x02A1, //673 WM_MOUSELEAVE = 0x02A3, //675 WM_NCMOUSEHOVER = 0x02A0, //672 WM_NCMOUSELEAVE = 0x02A2, //674 WM_WTSSESSION_CHANGE = 0x02B1, //689 WM_TABLET_FIRST = 0x02c0, //704 WM_TABLET_LAST = 0x02df, //735 WM_CUT = 0x0300, //768 WM_COPY = 0x0301, //769 WM_PASTE = 0x0302, //770 WM_CLEAR = 0x0303, //771 WM_UNDO = 0x0304, //772 WM_RENDERFORMAT = 0x0305, //773 WM_RENDERALLFORMATS = 0x0306, //774 WM_DESTROYCLIPBOARD = 0x0307, //775 WM_DRAWCLIPBOARD = 0x0308, //776 WM_PAINTCLIPBOARD = 0x0309, //777 WM_VSCROLLCLIPBOARD = 0x030A, //778 WM_SIZECLIPBOARD = 0x030B, //779 WM_ASKCBFORMATNAME = 0x030C, //780 WM_CHANGECBCHAIN = 0x030D, //781 WM_HSCROLLCLIPBOARD = 0x030E, //782 WM_QUERYNEWPALETTE = 0x030F, //783 WM_PALETTEISCHANGING = 0x0310, //784 WM_PALETTECHANGED = 0x0311, //785 WM_HOTKEY = 0x0312, //786 WM_PRINT = 0x0317, //791 WM_PRINTCLIENT = 0x0318, //792 WM_APPCOMMAND = 0x0319, //793 WM_THEMECHANGED = 0x031A, //794 WM_HANDHELDFIRST = 0x0358, //856 WM_HANDHELDLAST = 0x035F, //863 WM_AFXFIRST = 0x0360, //864 WM_AFXLAST = 0x037F, //895 WM_PENWINFIRST = 0x0380, //896 WM_PENWINLAST = 0x038F, //911 WM_APP = 0x8000, //32768 WM_USER = 0x0400, //1024 WM_HELP_Before0x0400 = 0x000c, //12 } Tag: Modal MDI Child Tag: 67273
  - 18
    - Adding a Button Control to a ListView/DataGrid Column Hi All, Is it possible to add other controls to the ListView control in C# windows forms. i.e. I want to add a button column so to speak to the list view. You can do this sort of thing with the datagrid in asp.net, however I think the datagrid in c# is overly complex for what I'm wanting to do, and I'm not even sure it is possible to do it in that. Answers to both Controls would be appreciated. Thanks Alan Tag: Modal MDI Child Tag: 67270
  - 19
    - No Touch deployment Are there any good articles out there on no touch deployment and how easy is this to setup? Also a friend of mine told me about Microsoft Update block I believe which is a more low level version of No Touch what are the differences? Tag: Modal MDI Child Tag: 67262
  - 20
    - PropertyGrid -- controlling the Category Text Color Is there a way to control the color of the text that appears in the Category headings area of the property grid. I assume that it is tied to a system color -- the text is hard to read with the "dark-gray" color that ends up being the default under standard XP settings. The "LineColor" property provides control of the background color of the category heading -- but I don't see an obvious way to control the text color. Thanks, Rob. Tag: Modal MDI Child Tag: 67260
  - 21
    - Form Properites Hello, Is there a possibility to write a properties (or method) to class derived from Form to make a some changes in InitializeComponent() for ALL child: for example add MYFUNCTION to retrieve item Name? this.button1.Location = new System.Drawing.Point(120, 91); this.button1.Name = MYFUNCTION("button1"); .... this.ctlTab.Name = MYFUNCTION("MyControlTab"); (something like globalization) Manually changes are not acceptable by designer. Thanx for help P. Tag: Modal MDI Child Tag: 67256
  - 22
    - Q:) Need sample code for a best practices Windows Form app Is there anything like Petshop or Duwamish but more of a regular client/server windows forms based app that demonstrates good Window Forms coding practices? Or something that just demonstrates the right way to bind controls to data for a c/s app? My .Net experience is mostly web app based so I'm used to opening datasets and going back to refetch records on subsequent server roundtrips, etc. I'm not sure about the best way to work with data sets and bound controls on a client/server type of app where I can be fully coupled to the database. I used to work with Delphi which had components for persistent database connections and table objects that you opened once, wired your grids and edit boxes up to, and did all of your updates through. I know .net can do that but everything seems oriented towards disconnected apps. Then again, maybe thats the better way, either way - some pointers would be helpful... Thanks bill wiw at nyc . rr com Tag: Modal MDI Child Tag: 67254
  - 23
    - Office 2003 Style Menu/VS.Net 2003 Style Menus Hello, Is there anyway to get the menu's to appear like Office 2003 or VS.Net 2003 in .Net? I was using Application.EnableVisualStyles() but this works for textbox and buttons if the FlatStyle is System but the menus are still in the old plain format. Thanks Tag: Modal MDI Child Tag: 67252
  - 24
    - Set Hidden (Key) Fields on RowChange I am using C# WinForms with a DataGrid bound to a strongly typed dataset I am not displaying key fields and logging fields (Create DT, Create By, etc.) in the datagrid When a New Row is modified, I want to set the key and hidden fields in code. Basically, when the user moves off of a row, I want to check if the RowState == Added, and all necessary values are entered, and if so, then set hidden fields I have tried the Row_Changing event and the Row_Changed event. The Row_Changed event is to late because I get an error stating the key field can not be null. The Row_Changing event stated that I could not change a proposed value in the rowChanging event What is the best way to set hidden columns on a row after the user has entered values in the visible columns Here is the code that does not work private static void Row_Changing( object sender, DataRowChangeEventArgs e dsLD.LineDtlRow r = (dsLD.LineDtlRow)e.Row MessageBox.Show("In Row_Changed: " + r.RowState.ToString()) if (r.RowState == DataRowState.Added && r.GroupCD != null r.ClaimID = 1 MessageBox.Show("Set Hidden Fields") Thanks Larry Tag: Modal MDI Child Tag: 67251
  - 25
    - Disabling Forms Redrawing Hello. I have a problem. I have a control and I want to try if a specific value of one property can be setted, without catching exception. So I set the value and then I restore the previuos value. Anyone know how to prevent that the control redraw between this two operations, to prevent image flickering? Tag: Modal MDI Child Tag: 67250

Hi all

Sure this has come up plenty of times before but couldn't find it

I've a form I want to display modally within an MDI app and get a "Only top level forms can be shown modally.....

Any solution to this. I can't beleive it is that difficul

Eldon

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Re: Modal MDI Child by Eric

Eric
Thu Feb 26 09:10:47 CST 2004

Don't assign the MdiParent to the dialog.

Or you could override the ShowDialog method and do your own blocking.

HTH;
Eric Cadwell
http://www.origincontrols.com

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Re: Modal MDI Child by hirf-spam-me-here

hirf-spam-me-here
Thu Feb 26 11:10:20 CST 2004

* "=?Utf-8?B?RWxkb24gRmVycmFuIGRlIFBvbA==?=" <anonymous@discussions.microsoft.com> scripsit:
> Sure this has come up plenty of times before but couldn't find it.
>
> I've a form I want to display modally within an MDI app and get a "Only top level forms can be shown modally....."

Don't show the form as MDI child.

--
Herfried K. Wagner [MVP]
<http://www.mvps.org/dotnet/>

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