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- Previous
  - 1
    - Typed DataSet How come a Typed Dataset has a name(DataSet1) and a datasetname(DataSet)? I only seem to use the the name and not the datasetname. Tag: Hide from Task Manager Tag: 65442
  - 2
    - Binding a PictureBox Control to A ImageList - what field to bind to? I am trying to bind a simple ImageList Control to a PictureBox. I can't seem to find in documentation, or through trial and error, the right ImageList data member to bind to. Nothing seems to work. The code below attempts to bind the PictureBox "pbMain" to the ImageList "ilPics" which is successfully loaded with images from a test directory. The question mark in the "DataBindings.Add" method indicates the parameter in question. Has anyone else successfully done this and could you help me out? private void PicView_Load(object sender, System.EventArgs e) { // Get all files in sample directory DirectoryInfo dirImages = new DirectoryInfo("C:\\data\\All Images\\image.assets"); foreach (FileInfo file in dirImages.GetFiles()) { if (file.Extension == ".jpg") { Image myImage = Image.FromFile(file.FullName); ilPics.Images.Add(myImage); } } // bind to picture box pbMain.DataBindings.Add("Image",ilPics, ?); } Tag: Hide from Task Manager Tag: 65430
  - 3
    - Retrieving accessible objects from treeview32 I am trying to generate a gui test for a treeview32 form which was created by a c# application on .net. I am using the pearl AO class in the win32 ActApp library. My script works fine for other applications I have tested not written with c#. When I try searching the accessible object tree of the c# treeview32 form I get undefined values for the Application tree node. Any ideas whats going on? This is where the output from the AO tree dies. menu bar:Application {invisible,(0,0,0,0),id=0,00120a02}: ?:(undef) {?,(location error),id=-4,(no HWND)}: Thanks, Jonathan Tag: Hide from Task Manager Tag: 65429
  - 4
    - Changing compile order within a project I started with two projects in a solution, one containing a BaseForm and the other an enherited ChildForm. I decided to move the BaseFrom to the second project and changed the inherited form to look in the local project for its parent. However, until the baseform compiles, the child form cannot find it. I am guessing that I may need to change the compile order in the second project to compile the baseform BEFORE the associated enherited forms. Am I correct and, if so, how to I change the order? Tag: Hide from Task Manager Tag: 65427
  - 5
    - How to use windows forms controls in a visual c++ app In Visual Studio 7 I have a C++ dialogbased MFC application project. When I open the main form of my application the only available tools from the toolbox are those in the "Dialog Editor" section. The components in the "Windows Forms" are all disabled so I can't e.g. add a mainmenu to my project. Why are these components not available when I'm in this mode (in a c# project they are all available) ? How do I add a main menu and panel component to my C++ form ? Tag: Hide from Task Manager Tag: 65424
  - 6
    - ANN: SharpLibrary 1.37 Released Main features of this release are: 1- A great number of controls --where applicable-- now support XP Themes and in some instances even an Office 2003 like look. 2- Two new controls: IPAddessCtrl and LabelEx control have been added to the ToolBox. (This brings the total count to 52). 3- Ten new samples showcasing all of the new features added to the library. (This brings the sample count to 70). For a detailed breakdown of all changes in new version, take a look at http://24.199.8.122/LatestRelease.aspx Regards, http://www.sharplibrary.com Tag: Hide from Task Manager Tag: 65422
  - 7
    - GetWindowLong on GWL_EXSTYLE fails with error 127 Simple, really. I have C# code in a Windows Form, thus: int rc; rc = Win32API.SetParent(ctrl.Handle, new IntPtr(Win32API.GetDesktopWindow())); rc = Win32API.GetWindowLong(ctrl.Handle, Win32API.GWL_EXSTYLE); if (rc == 0) { System.Console.WriteLine(Marshal.GetLastWin32Error()); } where ctrl is a control on the form (it doesn't seem to matter what type of control), and Win32API has all the relevant imports: [DllImport("user32.dll")] public static extern int SetParent(IntPtr childHwnd, IntPtr parentHwnd); [DllImport("user32.dll")] public static extern int GetDesktopWindow(); [DllImport("user32.dll", CharSet=CharSet.Auto, SetLastError=true)] public static extern int GetWindowLong(IntPtr hWnd, int nIndex); I'm doing this as a precursor to making the control a custom drop-down of sorts (subsequent lines will set WS_EX_TOOLWINDOW, HWND_TOPMOST, etc. and subclass the GWL_WNDPROC for mouse handling etc.), but I don't even get that far. In all cases GetWindowLong returns 0, and the Win32Error is 127 (which decodes as 'The specified procedure could not be found.') Anyone successfully done this from .NET? Tag: Hide from Task Manager Tag: 65418
  - 8
    - ComboBox Items problem Hi....I have a problem with the combobox it's that it show the System.Data.DataRowView in the ListItems...What is the problem if a set my combobox with a datatable and that datatable have the data to show Tag: Hide from Task Manager Tag: 65412
  - 9
    - MDI Form Problem I have an MDI form as a controlling form for my application I do have several MDI Child Forms that are displayed within the app., but only ever 1 at a time The problem is, when loading one of the forms, the MDI parent appears to go transparent for a second or so whilst the MDI child is loaded. I think it is due to processing the running in the form load event I have tried Suspend / resume layout, hiding the form, minmizing the form etc. but nothing seems to work. Any suggestions please Thanks Andy Tag: Hide from Task Manager Tag: 65393
  - 10
    - MenuItem tooltips Is there some way of having Tooltips in a menu item? So far I have found no such method. If this is impossible, is there some other way of displaying hint information, such as changing the status bar text depending on what menuitem is highlighted? Any easy way to go about doing this? Tag: Hide from Task Manager Tag: 65388
  - 11
    - Programm uses 90% of the CPU Hi *, has anynone the same problem or a solution? If my App is minimized it will use about 90% of the cpu after 5 minutes. The App doesn't do anything(like timers or stuff like this). Thanx a lot Tobi Tag: Hide from Task Manager Tag: 65386
  - 12
    - Hashtable enumeration How can I loop thru a hashtable changing the Value of each entry ? Whatever I try I always seem to get the error about modifying the collection within the loop. Tag: Hide from Task Manager Tag: 65377
  - 13
    - Assistance with datagrid required I have a simple SQL query that is executed when a command button is clicked. This populates a datagrid and is working fine. I have three radio buttons on the same form and when one of the radio buttons is CHECKED and the command button is pressed, a different query is executed, but the returned records are appended to the first record set. I would like to clear the contents of the datagrid when the command button is clicked and the radiobutton is checked, then populate the data with the recordset returned from the query. Any ideas? Aaron Tag: Hide from Task Manager Tag: 65375
  - 14
    - DataGrid Data Validation Question Hi all! I have a datagrid control that I would like to have some data validation before saving it to the database. Is it possible that I could implement a data validation while the datagrid is in an edit mode? Thanks a million! -A Tag: Hide from Task Manager Tag: 65374
  - 15
    - capture the mouse (to grab the window content) [not with SetCapture and not with hooks] Hi there, I write a small applicaiton in C# to mimic the SnapShot/32 application functionality. I use Win32GDI rountines to grab the images and this is the easy part. The difficult part is to mimic the SnapS way of letting user to select a window he/she wants to snap. It works like this: 1. the user does whatever he wants in the system 2. he/she presses some hotkey (RegisterHotKey) and the SnapS gets active (but does not show its window) 3. instead the mouse cursor is globally changed to a cross and globally captured until the first click 4. when the user clicks a window, its image is captured my problem is the number 3. I've tried to capture the mouse with SetCapture/.Capture = true but it does not work when the capturing window is not a foreground window. I also try to change mouse cursor shape globally with no results. I am sure that SnapS does not use any hooks (and I also do not want to). the question is: how the described functionality is achieved? thanks for any clues, Wiktor Tag: Hide from Task Manager Tag: 65372
  - 16
    - Showing animation on a form Hi All How some application shows animation to show if some progress/processing is going on. like especially in the end of some wizard, the application shows animation on a form, animation like we see when copying of files is being done. is that done by showing some animated gif? If an animated gif then how to display an animated gif on a form. Thanks NOOR Tag: Hide from Task Manager Tag: 65369
  - 17
    - help provider problems Hi, I have seen a number of people who have posted that if you keep on pressing F1 on a control with help provider, it crashes your application. Same thing is happening with me. Every time some microsoft person says that they have been unable to reproduce the bug. Is there any workaround? Has this bug been fixed in some later releases? If this is not solved, then it means that we cannot provide any help in a dotnet application? Tag: Hide from Task Manager Tag: 65362
  - 18
    - How To Load Bitmaps Hi All, I have a C# project, I added 2 bitmap images, 1.bmp and 2.bmp in the project by right clicking and using the add existing item dialog. The bmp files now appear in the solution explorer. My question is, do they get embedded in the assembly? When I use the code as System.Drawing.Bitmap b = (System.Drawing.Bitmap)Bitmap.FromFile("c:\\myimages\\1.bmp"); it loads the bitmap and works fine. There are 2 things, I do not want to hard code the path as somebody else might have the project somewhere else. Ideally I would want to load the image from the assembly, but when I do ResourceManager rm; rm = new ResourceManager("<MyAssemblyName>", Assembly.GetExecutingAssembly()); System.Drawing.Bitmap bt; bt = (System.Drawing.Bitmap)rm.GetObject("1.bmp"); it does not load the bitmap. I think I am missing something very basic over here. Can anybody point to what might be wrong? TIA, --Saurabh Tag: Hide from Task Manager Tag: 65359
  - 19
    - DataGrid flushing changes to DataSet. Hi all, I´ve seen around there, that many people have problems forcing the datagrid control to flush the changes to the DataSet. To do so, you only have to invoke the CurrencyManager.EndCurrentEdit() method. At least this worked for me. Tag: Hide from Task Manager Tag: 65355
  - 20
    - DataGrid flushing changes to DataSet. Hi all, I´ve seen around there, that many people have problems forcing the datagrid control to flush the changes to the DataSet. To do so, you only have to invoke the CurrencyManager.EndCurrentEdit() method. At least this worked for me. Tag: Hide from Task Manager Tag: 65354
  - 21
    - DataGrid flushing changes to DataSet. Hi all, I´ve seen around there, that many people have problems forcing the datagrid control to flush the changes to the DataSet. To do so, you only have to invoke the CurrencyManager.EndCurrentEdit() method. At least this worked for me. Tag: Hide from Task Manager Tag: 65351
  - 22
    - DataGrid flushing changes to DataSet. Hi all, I´ve seen around there, that many people have problems forcing the datagrid control to flush the changes to the DataSet. To do so, you only have to invoke the CurrencyManager.EndCurrentEdit() method. At least this worked for me. Tag: Hide from Task Manager Tag: 65350
  - 23
    - keypress handling I need to implement keypress handler that works anywhere on a form (actually so long as I am on one of several tab pages on my form which is basically a tab control with 4 pages. Here is the problem - my TabControl.Keypress handler intercepts the keypress only of one of the grids on that same tab does not have focus. Essentially, once I select a row on a grid, my handler no longer receives keypresses, as they are now aparently directed to the selected grid. The handler is invoked if I am editing one of the edit controls. How can I intercept ALL keypresses within the form/tab page? Do I have to resort to the windows message handler? Tag: Hide from Task Manager Tag: 65348
  - 24
    - Crystal Reports Problem: Please reply ASAP Hello All, I have a Windows application that uses Crystal Reports 9 (bundled Version) developed using VS.NET 2003 on a windows server 2003 m/c. The application has to be deployed on the client machine that has Windows XP installed. Before deploying we make sure that .NET framework 1.1 is installed on the XP machine. In the setup project, for support for Crystal Reports, we have added the following merge modules: 1)Crystal_Managed2003.msm 2) Crystal_Database_Access2003.msm 3)Crystal_Database_Access2003_enu.msm 4)Crystal_RegWiz2003.msm 5)VC_User_CRT71_RTL_X86.msm 6)VC_User_STL71_RTL_X86.msm The problem we are facing is like this: Whenever the user tries to pull up the reports, a database logon screen pops up for the report. I am unable to figure out as to why this is happening only for Crystal Reports. All the other functionality in the application is working fine without having to specify the database connection information interactively. The database server is not in the same network as this Client WinXP machine. We specify the IP address of the DB server in the DB connection string. Could this be a problem? If someone has faced this problem earlier or has any solution to this problem, do let me know. I need to resolve this problem ASAP. Thanks in advance Mithun Tag: Hide from Task Manager Tag: 65342
  - 25
    - How to display My Network Places with FolderBrowserDialog I am using the FolderBrowserDialog in my application and it works well. However, when it is displayed, it does not include "+ My Network Places" in the list of available locations. I notice that other Microsoft applications (like opening a .zip file and clicking browse) do include My Network Places. How is this done? Thanks! Tag: Hide from Task Manager Tag: 65340
- Next
  - 1
    - MDI, maximize child window Hi I have a windows form which has the following: form1.IsMDIContainer = true and panel1.Dock = DockStyle.Right. Then I create a new child window and set its FormBorderStyle = FormBorderStyle.None and WindowState = FormWindowState.Maximized. But what happens is the right half of this child window is covered by the panel and it's still showing the header of the window (icon, name, min, max, and close buttons) My questions 1. How do I make the child window maximize only on the left half on the parent window (not to make it behind the panel) 2. How do I hide the header of the child window when it's maximized Please advice, thanks -CL Tag: Hide from Task Manager Tag: 65339
  - 2
    - control binding problem (MS, please respond) I've run into a problem with binding form properties to data in an xml file (through a dataset). As it turns out, I can easily bind if the data type of the property on the control is a normal datatype such as a string or integer. If the datatype is not one of the built-in types however, things go horribly wrong. Consider this xml file: <?xml version="1.0" standalone="yes"?> <SettingsData> <one> <Text>Center</Text> </one> </SettingsData> If I create a normal winforms application and add the following code to the form's constructor, it works. I get "Center" in the text box. Here's the code that works: DataSet dataset; dataset = new DataSet(); dataset.ReadXml(@"d:\development\bindtest\form.xml"); TextBox textbox = new TextBox(); Binding binding = new Binding("Text", dataset, "one.Text"); textbox.DataBindings.Add(binding); textbox.Width = 150; textbox.Height = 50; textbox.Top = 50; textbox.Left = 50; textbox.Parent = this; this.Controls.Add(textbox); I hardcoded the size and placement of the text box, but I can easily get that from the xml as well. I encountered a problem when I tried to pull TextAlign from the xml file though. I know that this would require the use of Format, so I implemented that. I changed the xml from above to look like this: <?xml version="1.0" standalone="yes"?> <SettingsData> <one> <TextAlign>Center</TextAlign> </one> </SettingsData> And I changed the code from above to look like this (changed from Text to TextAlign, and added the convert event handler): DataSet dataset; dataset = new DataSet(); dataset.ReadXml(@"d:\development\bindtest\form.xml"); TextBox textbox = new TextBox(); Binding binding = new Binding("TextAlign", dataset, "one.TextAlign"); binding.Format += new ConvertEventHandler(FormatHorizontalAlignment); textbox.DataBindings.Add(binding); textbox.Width = 150; textbox.Height = 50; textbox.Top = 50; textbox.Left = 50; textbox.Parent = this; this.Controls.Add(textbox); I also added the Convert Event Handler: public void FormatHorizontalAlignment(object sender, ConvertEventArgs cevent) { switch((string)cevent.Value) { case "Center": cevent.Value = HorizontalAlignment.Center; break; case "Left": cevent.Value = HorizontalAlignment.Left; break; case "Right": cevent.Value = HorizontalAlignment.Right; break; } } This event handler looks right to me. I followed the example from the help files. I've made similar code work with other data types such as booleans being coverted from a T or F in the xml file. DesiredType shows HorizontalAlignment. When I run this code, oddly, the event handler is executed three times. Each time seems to execute correctly. Then I get an unhandled exception from the Application.Run(new Form1()); Error creating window handle. Can anyone tell me what's happening and how to fix it? I foresee I'll have the same problem trying to read the font name and size from the xml file. I have a workaround, but it's very unelegant. Here's the stack trace: System.ComponentModel.Win32Exception: Error creating window handle. at System.Windows.Forms.NativeWindow.CreateHandle(CreateParams cp) at System.Windows.Forms.Control.CreateHandle() at System.Windows.Forms.TextBoxBase.CreateHandle() at System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible) at System.Windows.Forms.Control.CreateControl(Boolean fIgnoreVisible) at System.Windows.Forms.Control.CreateControl() at System.Windows.Forms.Control.WmShowWindow(Message& m) at System.Windows.Forms.Control.WndProc(Message& m) at System.Windows.Forms.ScrollableControl.WndProc(Message& m) at System.Windows.Forms.ContainerControl.WndProc(Message& m) at System.Windows.Forms.Form.WmShowWindow(Message& m) at System.Windows.Forms.Form.WndProc(Message& m) at System.Windows.Forms.ControlNativeWindow.OnMessage(Message& m) at System.Windows.Forms.ControlNativeWindow.WndProc(Message& m) at System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam) at System.Windows.Forms.SafeNativeMethods.ShowWindow(HandleRef hWnd, Int32 nCmdShow) at System.Windows.Forms.Control.SetVisibleCore(Boolean value) at System.Windows.Forms.Form.SetVisibleCore(Boolean value) at System.Windows.Forms.Control.set_Visible(Boolean value) at System.Windows.Forms.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context) at System.Windows.Forms.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context) at System.Windows.Forms.Application.Run(Form mainForm) at bindtest.Form1.Main() in d:\development\bindtest\form1.cs:line 109 tia, brian Tag: Hide from Task Manager Tag: 65336
  - 3
    - Panel Control Question I am stuck on something that must be simple. However, I have been searching the obvious places for several days but haven't come up with an answer: I have a Panel control with a custom designer. The designer creates several designer verbs. When a verb is selected, I want to instantiate a new Panel control on the 'base' Panel control, and allow the designer to edit the new Panel control (i.e., add other controls). The designer verbs work fine. However, if I simply use .Add to add a new Panel to the 'base' Panel the newly added Panel shows up on the UserControl but cannot be edited. On the other hand, if I simply drag a Panel control from the Toolbox to the 'base' Panel I can edit it--which is the behavior I want. The correct way to accomplish so it works this would be much appreciated! Tag: Hide from Task Manager Tag: 65332
  - 4
    - DataGrid/DataView Display problem I have a dataset table. I have filtered it and created a datview which I use as the datasource to a datagrid. That all works just fine. When I edit cells in the datagrid, then update the dataset table, the datagrid displays both the original row and the modified row. I only want to see the modified row. I have tried playing around with the DataViewRowState property. When I set it to ModifiedCurrent, no row is displayed. What am I doing wrong? Tag: Hide from Task Manager Tag: 65331
  - 5
    - Forms designer bug Hi I have a simple base form from which I want to inherit the Icon. When I create an inherited form based in this base form, with no added controls, the Icon shows correctly. When I add any control to the form, the designer creates also a resource for an Icon (null icon) and overrides the base form Icon definition. I can correct this behavior manually commenting the me.Icon line, but every time a change a property on any control of that form, the Icon is replaced to a null Icon It is a Bug of the forms designer? Is it reported? Is there a fix Also, does someone knows where we can know of reported Bugs? I have VS 2003 and 1.1 framework Mariano. Tag: Hide from Task Manager Tag: 65330
  - 6
    - Error- No source code available for the current location I'm getting a "No source code available for the current location" error randomly as I debug my app. Any idea of what may be causing this and suggestions to solve it will be really appreciated. TIA Tag: Hide from Task Manager Tag: 65322
  - 7
    - mdi child minimized issue Hi, when minimizing child forms in my mdi app the child form is being placed at the lower left hand side of the mdi parent, but is reduced to a small block the size of the close button. No titlebar text is visible and the icon is drawn under the close button. This is really baffling me. Has anyone else seen this? any help is appreciated, jim Tag: Hide from Task Manager Tag: 65321
  - 8
    - A BMP file has three images in C# project HI I have a question defined as below: * One BMP file has 3 images for a list view control. * Say, this file path is c:\ xyz.bmp. * ImageList object name is smallImageList. * My question is how to put the file path in the C# project. * Then I can see 3 images in the image collection editor by open.... * And, I can refer it as below: this.smallImageList.ImageStream = (ImageListStreamer)resources.GetObject("smallImageList.ImageStream"); Please advice. Peter Tag: Hide from Task Manager Tag: 65314
  - 9
    - Expamding empty ComboBox problem I have noticed the following problem. If you try to expand the drop-down list of a ComboBox (DropDownStyle=DropDown) with no items and immediately attempt to click another control (displayed underneath the combo box, not sure about other locations), nothing will happen. It takes several mouse clicks before you are finally able to select other dialog controls. My guess is that the combo box gets expanded, but since there are no items, the user does not see the list box portion of it, so if the user tries to click a check box, a button or some other control, this mouse click is obstructed by the expanded (but not visible) list box (this is just a guess, so it may happen for a totally different reason). This is very confusing for the customer, because it appears like the dialog is hanging (i.e. there is no response to the mouse clicks). Is this a known issue? Is there a workaround? Thanks, Alek Tag: Hide from Task Manager Tag: 65313
  - 10
    - Control's Validating Event and closing a Form We handle the Validating event for textboxes that are contained in a GroupBox, which is contained in a TabControl which is contained in a Form. If Validation on the textbox fails, we do this: e.Cancel = True Now, when we click "X' in the upper right corner, the form closes. We checked the forms closing event, and now e.Cancel = False. Why is e.Cancel = False on the Form close? Tag: Hide from Task Manager Tag: 65306
  - 11
    - No Touch Deployment Warnings When our smart client is loaded thru the browser, there is a balloon that pops up with the following warning: Microsoft .NET Security Information This application is running in a paritally trusted context. Some functionality in the application may be disabled due to security restrictions. The application works great and is doing everthing it is intended to. The message is annoying and our client is complaining about it. My question is that I want to know if there is a way to disable this without touching the default security settings in the .NET Framework 1.1 Configuration app. The point is not to have the client have to download anything extra to install or have them modify anything. How is this no touch deployment if you do? Thanks Tag: Hide from Task Manager Tag: 65303
  - 12
    - Preventing user interaction while showing a "wait" cursor I have a form which performs some asynchronous code. I want to display a wait cursor when it starts, and hide the wait cursor when it has completed. This part works fairly well, using: this.TopLevelControl.Cursor = System.Windows.Forms.Cursors.WaitCursor; I also want to prevent user interaction with the controls on my form while the wait cursor is displayed, so that use events (except resize and cancel) are blocked. What is the recommended way of doing this in .NET? Thanks, Aaron Queenan. Tag: Hide from Task Manager Tag: 65292
  - 13
    - Has an Event been Fired? When a control is clicked multiple events are fired in order. For example, clicking on a combobox dropdown button fires the Enter -> Got Focus -> Click event. In the "Enter" event handler is it possible to find out if the "Click" event is going to happen? I am trying to autoexpand the ComboBox dropdown when the control is entered. Private Sub cboComboBox_Enter(ByVal sender As Object, ByVal e As System.EventArgs) Handles cboComboBox.Enter cboComboBox.DroppedDown = True End Sub But if the ComboBox dropdown button is clicked the Enter event expands the list and the Click event then closes it. In my Enter event handler I was to find out if the Click event is going to happen to decide if I should expand the combo list Example: Private Sub cboComboBox_Enter(ByVal sender As Object, ByVal e As System.EventArgs) Handles cboComboBox.Enter If Not ControlHasBeenClick = True Then cboComboBox.DroppedDown = True End If End Sub Thanks, Hex Tag: Hide from Task Manager Tag: 65288
  - 14
    - Debugging with Break option in windows forms I am trying to break into the VS debugger on unhandled exceptions in a form. I have tried setting and removing the jit settings in the application config file and in the options dialog. All I get on unhandled errors is the dialog with continue and quit - not with break. Isn't there a way to move from an application with debug build run from within VS to the line raising the exception? I am getting the stack trace info in the dialog which does not help with the condition that I am attempting to debug. Ken Tag: Hide from Task Manager Tag: 65286
  - 15
    - changing appearance/color of the particular list item Hi everyone. I wonder if we can do this in .net. I want to change the appearance of the particular list items in a checkedlistbox control. Can we change those particular items color for example change forcolor of some items that belongs to some particular category just to highlight them. best regards.. nOor Tag: Hide from Task Manager Tag: 65285
  - 16
    - Problems with child forms Hello! I've got a problem. When I maximize my mdi and try to open some mdichild forms maximized too, sometimes appears more then one control box. And when i try to close them, it just leave one of them opened, and no way to close it. as it shows in the attachement. Anyone knows what problem is this? -- Cumprimentos, Nuno Monteiro nuno@rcsoft.pt RCSoft - Desenvolvimento de Software, Lda. Telef: 239708708 Fax: 239708701 Tag: Hide from Task Manager Tag: 65281
  - 17
    - Building My Own DataSource Control hi All, I'm hoping to build my own datasource control, and hoped that someone would point me in the right direction to start. I have already created a class, which accepts a form, a tablename, a connection and a collection of field object (which contain information about which field binds to which form control). I build all this in code, and then the class gets a dataset, binds the controls to it, and allows modifiaction and updates etc. then saves them back to the database. However, I'd like to build a control, which would automate all of this, by getting the fields at design time, and allowing the user to bind the fields and then the user could simply change the connection string at run-time to point to the correct database when deployed. I am trying to kind of replicate the method by which you build bound forms in access. Any pointers to articles, or advice is greatly appreciated. Thanks Alex Tag: Hide from Task Manager Tag: 65280
  - 18
    - Plz Help.How recall Measure items when Listbox Resizing Dear Sirs. Plz Help me i send this question in 7th - time. I Use OwnerDraw Method in ListBox Component. All Works Fine But i have problem when i resizing the ListBox Component. (need redraw) in List Box OnMeasureItem and OnDrawItem Called when ListBox is Created or when Add new Item. But They are not calling when i resize a listbox. I try in my code: onresize() { listbox1.Invalidate(); } but I have no effect one way is remove and readd all item on listbox. but i have big amount of items and this way is very bad. plz help me how is posible extend exsiting listbox. or i need reimplement full textbox. Thank you in Advance. Irakli Lomidze Tag: Hide from Task Manager Tag: 65276
  - 19
    - DataGrid column Freeze in visual basic.Net Hi, How can i freeze columns in a datagrid...? I am using a datagrid using data source = an array list which is having DO object.... I want to freeze the columns of datagrid.... tell me the ideas... regards, rajamanickam Tag: Hide from Task Manager Tag: 65275
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    - Licensing an assembly with components We are developing an assembly that will expose a multitude of components and controls. Many of them are inherited from one another and some of them represent user controls that group some other controls on them. We need to license all major types. We created a LicenseProvider that works very well by checking the design time license and embeding the runtime license in the result assembly. The problem is that if a user uses a large number of controls a separate license for each type gets embeded in the result making the file larger than needed. Also, the process of running the license check for each type might decrease performance a little. So, my idea was this: to create a special class inside the assembly with a static constructor. This means that everytime the assembly is loaded in one app domain the static constructor will be called. I would then run the license check in the static constructor and set a static value to true or false meaning the license was good or not. Then in each type I can simply check the static value and continue or not. Then, in the end result assembly only one license, corresponding to the special class, will be embeded... Considering that all other security issues are taken care of (sigining the assembly, etc...), does this method present any danger? Can anybody think of any security issues? This assembly will be sold entirely and there will be no licenses per type, but just per the entire assembly so this approach makes sense to me... I was only wondering if anybody might think of a reason why this might not be a good idea Thank you! Iulia Tag: Hide from Task Manager Tag: 65273
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    - Legacy Application Reengineering (Basic to C#) We currently have a financial application running on an HP 3000, written in Basic ( the old kind, with line numbers and single-character variable names, etc) with about 500K lines of code. It uses a no-longer-sold, non-relational, HP-proprietary database called Image. This application has many very happy customers, each utilizing it via terminal emulator software in remote locations. We are tentatively architecting a phased migration to a .NET solution, for obvious reasons. Likely, we would first create a cleaner presentation layer based on WinForms, then migrated business logic off the HP3000 to a Win 2003 server ( in C# code), and finally move the database to SQL Server. But.. none of us have experience with a legacy migration/reengineering process (particularly from such an antiquated code base.) Further, given our meager start-up funding level, we cannot afford to hire expensive consultants who specialize in this area. Does Microsoft provide resources with advice on the reengineering process? Whitepapers? Web resources? tools? Also, would anyone recommend good books on this topic? Or any other websites (other than just Microsoft's)? Are there conversion tools to convert Basic to C#? And, my MOST IMPORTANT question (pardon the all caps)... are there "rules of thumb" for estimating programmer resource requirements for migration based on lines of code, database schema complexity, etc.? Thanks, Bruce Tag: Hide from Task Manager Tag: 65272
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    - Populate ComboBox with a DataReader Is it possible to populate a ComboBox's DisplayMember and the ValueMember via a SqlDataReader in C#? I know how to do it off of a dataset, but I would rather not incur the overhead since it is just a display field that is used to populate other information from the key value (ValueMember). Larry Tag: Hide from Task Manager Tag: 65271
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    - SYNCHRONISING ALL OPEN FORMS - WINFORMS I have a client-server application using ADO.NET datasets where the user can open several forms - and as many copies of a form as they care to - and edit the data on them. How do you synchronise all the open forms when the user changes a value on the currently active form? For example: * user opens a ViewOrders form which shows a list of Orders including the SupplierName for each Order * user opens EditSupplier form which shows a list of Suppliers * user edits a SupplierName The corresponding SupplierName on ViewOrder form should now change to reflect the edit. I need a general pattern for this - there are hundreds of possible fields the user can edit and any number of different forms could be open - any of which may (or may not) need to be "synchronised". (This sort of behaviour is common in most quality shrink-wrapped software.) cheers Andrew -- **************************************************************************** andrewbingham.com tel 01223 514674 (Cambridge) mobile 07970 161057 fax 07970 601283 email Andrew@AndrewBingham.com DISCLAIMER, PLEASE NOTE: This communication is for the attention of the named recipient only The content should not be passed on to any other person. It is sent in good faith, in confidence, and without legal responsibility. VIRUS CHECK Emails and attachments are virus checked using Norton® AntiVirus® 2002 which is regularly updated. However it remains the recipients responsibility to check emails and attachments sent, or forwarded, from andrewbingham.com for viruses and macro viruses **************************************************************************** Tag: Hide from Task Manager Tag: 65269
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    - WinForms / ODBC.net security Using the ODBC.net data provider to access dbase V tables. Everything works fine on the develpment system, but I get a security error on the production system (running XP on both, so MDAC=2.7) here's the code block that generates an UNHANDLED sercurity exception. I'm not sure what type of exception to try to trap here... thought the Security.SecurityException would catch it so I could see what is going on, but it doesn't. I also checked the security rights on the production machine, and to the best I could determine, it has the rights.... but not really sure about this. ' get the information in TALKNET.dbf Private Function GetTalkNetInfo(ByVal connStr As String) As DataSet lbl_usermsg.Text = "Procedure GetTalkNetInfo Retreiving data from TALKNET.dbf: " + "connection string:" + connStr Dim ok As Boolean = True Dim talknetCONN As OdbcConnection = New OdbcConnection() Dim talknetDA As OdbcDataAdapter Dim talknetDS As DataSet = New DataSet() talknetCONN.ConnectionString = connStr Dim talknetQRY As String = "SELECT * FROM TALKNET WHERE THREADID=100" talknetDA = New OdbcDataAdapter(talknetQRY, talknetCONN) Dim talknetCMD As New OdbcCommand(talknetQRY, talknetCONN) Try talknetCONN.Open() talknetDA.Fill(talknetDS, "Talknet") Catch e As OdbcException cRetrnmsg = e.Errors(0).Message & " " & e.Errors(0).Source lbl_usermsg.Text = cRetrnmsg Catch e As Exception cRetrnmsg = " & e.Errors(0).Message & e.Errors(0).Source" lbl_usermsg.Text = cRetrnmsg Catch e As Security.SecurityException cRetrnmsg = " & e.Errors(0).Message & e.Errors(0).Source" lbl_usermsg.Text = cRetrnmsg Finally talknetCONN.Close() End Try Return talknetDS End Function Tag: Hide from Task Manager Tag: 65261
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    - DataGrid and Wheel on mouse Using VS 2003, VB.net, msde... I have a databound datagrid that works fine. The form also has several combo boxes that determines what the datagrid displays. When data is displayed, if you highlight a row, or click on a cell, and use the mouse wheel to scroll down, it immediately gives focus to combobox tab stop 1, scrolling down it's options. I would anticipate the wheel to simply scroll down the datagrid (like hitting the down arrow on the scroll bar), not swich to another control and scroll its options. Any idea what is going on and how to prevent this? Thanks! Bob Tag: Hide from Task Manager Tag: 65260

I have a program that I wrote that sits in the system tray. I would like the
to make this invisible to the Task Manager. I know that you could do this
fairly easily in Windows 95/98 with the RegisterServerProcess API call. This
has been removed from Windows 2000/XP and I would like to know if anyone
know how to accomplish this. Any code or sources of code would be
appreciated.

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