Hi, I have created a MDI Form with the formborderstyle = NONE so that it does not display any title bar and control buttons. This MDI form host a child form with the same attibutes ( i.e formborderstyle = NONE ). The MDI form contains set of buttons. On pressing each button a new child f...more >>

Hi, I have a dialog with a TabControl. Some of the TabPages have TabControls on them. If I need to detect when the outer TabControl is about to change to another TabPage I can override the WndProc() and handle WM_NOTIFY and TCN_SELCHANGING. However, when one of the inner tabs change WM...more >>

I have used SetWindowsHookEx successfully to filter messages comming in, but I am trying to determine where the message came from originally, because I only want to suppress messages from certain apps. Can this be done? I can't figure out how. ...more >>

This seems like such a simple task. I have a textbox that is bound to a database field, the text box displays the expected value but in my code when I try to evaluate the text (ex. If txtSecurityGroup.Text = "purchasing") the text property is = "". I am sure I am missing something here. He...more >>

I want to create an application that will start off in the system tray without any initial form being displayed. The problem is that I can't seem to create such an application without including a NotifyIcon control on a form. Isn't there any way to start an application in the system tray wit...more >>

We currently have a smart client windows application developed in Visual Studio .NET (vb.net) 2003. The windows application resides on multiple client machines which run the .NET Framework 1.1 (v1.1.4322). The client application accesses a web service located on a Windows 2003 server and reside...more >>

Does anyone know how to get the number of columns in unbound datagrid ? TIA Antonio ...more >>

VB .NET 2003: I have TextBox controls on the pages of a TabControl, then when running the application I try to move the cursor when a TextBox has focus. The Right and Left arrow keys don't move my cursor through the text. Only the Up and Down arrows work for moving the cursor left and right. ...more >>

Hi, I've two threads in my program: 1) The original program thread and 2) a worker thread. For simplicity my worker thread writes its output into the static controls and status bar by itself. In the Form_Closing() event, I want to shut down my worker thread gracefully and wait for its co...more >>

Hi, I want to draw 3D buttons by code nice like this one: http://www.download.com/AquaButton-Control/3000-10253_4-10414398.html?tag=lst-0-1 The code may be anyone of .NET languages. Please help me out. Thanks in advance. John Lid ...more >>

Is it possible to display images and icons in this control?...more >>

Is there anyway to prevent the white box that drops down when you do a combobox dropdown from showing? I am trying to make a custom combobox which requires showing a custom form in its place, but the white box shows up still ontop of the new form that is taking its palce even though there is n...more >>

Hi all, in a previous message on this newsgroup James Morgan was asking whether there is "something like Java Pluggable L&F: one line of code and your app looks the way you want it to" (for WinForm apps) http://groups-beta.google.com/groups?as_umsgid=14e876fd.0409171437.8b90d66@posting.googl...more >>

How many more years will it take for the geniuses at Microsoft to fix the TabPage control so it uses the proper xp-theme when specified to do so? I'm betting another 5 to 7, how about you? ...more >>

Hi, I've noticed an error in the Activate event of .NET Framework 1.0/1.1: When a .NET program starts but the window is opened behind other windows and thus is NOT activated, the Activate event still is fired. So the program can not recognize if it is active or not. Can someone reproduce th...more >>

I am using LOGFONT definition from here: http://www.pinvoke.net/default.aspx/Structures/LOGFONT.html I get my LOGFONT with myFont.ToLogFont(lf); a bit later I attempt to recreate the same font with: Font.FromLogFont(lf); And what is then is: if I get the LOGFONT again (with previous c...more >>

I have a form which has a listview and some controls. The controls on the form are only enabled if there is an item selected in the listview. My problem is that there is some flicker when changing items in the listview. I found this is because when I change items, first the item is deselecte...more >>

Hi, I need to port a boatload of MFC dialogs (~50) to C#. I'm an accoplished MFC/C++ and C# GUI developer, but it would save me a huge amount of time if there was a tool that would generate stub C# classes from the MFC (or just plain old Win32) .RC dialog resources. I've been searching...more >>

I've got a custom collection called CurrencySummaryTransactionCollection which is a collection of CurrencySummaryTransaction objects. Each of these objects has a nested TransactionSummary member called Transactions. I don't want the DataGrid to display these nested transactions so I've impleme...more >>

Hello everybody! In our application we have a row of panels that act as a navigation panel - looking similar to a tree. It works fine, all the panels can be clicked and the related action is performed. It got a requirement that this control must be accessable by keyboard, so it must h...more >>

Is it possible to set each character in a TextBox a different colour? ...more >>

Hello. I have been trying to access a local 3rd party application through a web service, but it seems that IIS has no access to the "user space" that the application runs in - even though I have experimented with impersonation, the IIS rights on my filesystem and so on. The idea now is to...more >>

is it possible to provide an activex wrapper for a .Net control, e.g. written as C++ MFC or ATL class? -- christoph.w...more >>

I have a Form initialized like that: //-- public DragingForm() { SetStyle(ControlStyles.Opaque, true); SetStyle(ControlStyles.AllPaintingInWmPaint, true); SetStyle(ControlStyles.UserPaint, true); SetStyle(ControlStyles.ContainerControl, false); SetStyle(ControlStyles.Sele...more >>

Hi I need a special variant of catching the OnClosing event. Basically I want OnClosing to not close the form if the X button has been pressed, but to minimize it. So far, no problem. The problem is that I don't know a way to figure out if the event is thrown because the user pressed the X ...more >>

Hi, is it possible to distribute applications using Access database to systems without Access installed? I've also heard that if I do so, I have to pay for some license, is it true? ...more >>

I have a custom control (completely user drawn) to which I would like to apply a standart border. 1st: There is the BorderStyle and Border3DStyle enums, I don't know which one I should choose for my control, what do you reckon? 2nd: once the border is set, I have to draw it (the border)(e...more >>

Hi, I tried to find how to show an AVI animation sequence like a "filecopy" animation but did not find how to do that in VB. Is there a control in VB.NET or any other way of doing it?? I be very happy for a code example if possible.....feeling a little lost for the moment ;-) br / Mi...more >>

Hi, The .NET ListView control doesn't support moving items freely as in Explorer pane. Has anyone here come across any 3rd-party ListView control which support the above feature and (optionally) grouping feature (as when we right click on Explorer pane, choose Arrange Icons By - Show in Gro...more >>

Hello, all: I'm trying to get the ListView Insert Mark to appear in my XP application, and though the SendMessage(...LVM_SETINSERTMARK...) call returns TRUE, the mark is not visible. I built a simple, unmanaged MFC app to do the same thing and it works. Both apps use v6 of CommCtrl, bot...more >>

i have one application running remotly and want to take its window snapshort at any given time, Here is a code i wrote public Bitmap GetPicture() { Bitmap sbmp = new Bitmap(1000, 1000); Graphics g = Graphics.FromImage( sbmp ); System.Windows.Forms.PaintEventArgs pe = new PaintEvent...more >>

Just ranting. Too many bugs with WinForms ComboBox. Title says it all. Ignore this post. ...more >>

I have a splash screen that displays over an application with an opengl context and the window flcikers. I would like to know how I can solve this problem. Thanks in advance....more >>

Hello guys, I am trying to create a transparent form using CreateWindowEx() by calling the unmanaged code. But everytime after the call the returned handle is zero. i could nto figure what is the problem in that... Here is the code -------------- [DllImport("User32", SetLastError=true...more >>

I'm writing a poor man's browser using an owner drawn ListBox. I was positioning the ListBox items (Controls) using Control.Location until I discovered that Control.Location has the seemingly retarded limitation of 32767 (2^16 signed integer). I had been mapping viewport coordinates to real ...more >>

In my application I would like to have a powerfull text editor. RichTextBox falls a bit short of it. I cannot assume my application's user would have MS-Word (it's not standart part of the OS, hey!) Is there any ways / examples of embedding OpenOffice TextControl in .NET? ...more >>

I have a WinForms app that needs to take user input on open - before the FormMain is displayed. On the Form Load event of FormMain, I test for existence of an Access database: if (!File.Exists(Application.StartupPath + "\\myAccess.mdb")) If the mdb is not there, I need to o...more >>

I am trying to change a lables font at runtime. When I sent the labels font to New Font ("Andy",16,2) it wont allow be to set the style(2) If I remove the style it errors because the font does not support the style regular. This has to be easy....What am I doing wrong? Thanks...more >>

How can I do it so that I can specify which border I would like to appear on a panel? Say for example on a panel I want all sides except the right side to be drawn? ...more >>

I want to set the selectedpath in the folderbrowserdialog to a subdirectory of my "My Music" folder, yet allow the user to traverse higher than that in the directory if they want (in other words I don't want to set the root folder to this My Music, I want to set it to My Computer). But when I...more >>

I have a no touch deployment application. I'm trying to write a file to a web server by using webclient class' UploadFile method but I get an security exception. What should I do to overcome this exception? ...more >>

I read that the system tray balloon window will be suppressed when there's a fullscreen app running like a game or PowerPoint presentation. I've personally verified this behavior, but it doesn't seem to be smart enough to know that the task bar is on a second monitor. It just seems to che...more >>

Greetings, I have a vb.net app, and I have a tool window that I was to be topmost while the application is in focus, but not stay on top of other apps that get the focus. Basically, I want it to behave like the tool windows in Photoshop. How do I set the attributes to do this? Thanks...more >>

Hi, I am developing a Windows Form app, that has graphical buttons. Obviously I use the same button more than once throuout the application, but Visual Studio would appear to embed a set of images for each button into the program resources, instead of using a commen one. If I can make it ...more >>

I've implemented a drag & drop operation which allows an image (or a file containing an image) to be dropped onto a custom control. This works fine on dragging an image file already on my hard drive, but on dragging an Image from any web page in a web browser, I'm getting an "Out of memory" ex...more >>

Given the following Form with a panel with autoscroll set to true and with enough controls at different locations to cause autoscrolling to be visibly on, there is a slight annoyance with the behavior of the scrollbar upon switching focus to another window -- the scrollbar thumb position aut...more >>

Hi, Our project requirement is to develop app for 2 different screen resolutions 1024x768 and .. 800x600.so basically I want my forms loaded with controls behave expectedly when screen resolution changes..how can this be done? thanks...more >>

I'm porting a Mac application to window. Regularly I have comment like that: - (me): hum.. there is no shadow object in .NET's Graphic's object. - (him): what? but that's standart (mac) stuff!!! or - (me): well, the default RichTextBox doesn't handle kerning (character spacing). - (him...more >>

Does someone know how to print draft font using plain c# (PrintDocument) ? or some 3 party NET component ? I have an Intermec termal printer and wuold like to print a small report using printer fonts (for barcode). I can do this easily with msaccess using a label and selecting installed inte...more >>