The underscores display fine at dev. time but at run time there are no underscores on the menu items. What am I doing wrong? ...more >>

I want to build a reference to a WinForms control but I can't seem to do it... I want to do something like (I know this is wrong): me.Controls("Textbox" & i).Text = "Hello World!" But I can't seem to figure it out. Please help. Kent....more >>

Hi, We have following issues with Windows Forms, 1) When we run our application on two different operating systems, Windows 2003 and Windows XP, on the XP Machine because of XP themes, the GUI of the windows forms changes i.e. the font size and colors on the form changes, the close...more >>

First of all excuse me for my bad english but i'm italian. I have an application with two threads. The second one is not the main thread and i tryed to show a form like that: MyForm f = new MyForm(params); f.Show(); but the form is frozen. i tryed with Invoke and BeginInvoke but i have no ...more >>

Hi All, I will shortly need to build an app, which will need the ability to upload a photograph and tie it a record. (User database). This much I can do. As this will be used on a public ticket gate, it needs to work as fast as possible, the steps would be to take the photo, then download i...more >>

I have a scrollable panel that is covered with richtextbox's. The trouble is when using the Mouse Wheel the event is fired for the textbox's but not the panel, and it is therefore not scrolling. How do I send the MouseWheel event to the parent panel from these RichTextBox controls?...more >>

I have a form that has a button in it when I click on the button I want the textbox that is on the usercontrol to update. Ive tried: //This is on the form private void button1_Click(object sender, System.EventArgs e) { UserControl1 ctrl = new UserControl1(); ctrl.ClientName = "This is a ...more >>

Hey, I have an application that has many inherited forms from a base form. Everything works well but every now and then when I hit "Start" VS .Net 2003 gives me errors from the inherited forms.... I need to Rebuild the Solution and then everything is ok... does anyone knows why does this ha...more >>

Hi Group... Can anyone point me to any c# tutorials relating to line numbers in the gutter area similar to the IDE?/ I've looked and looked and googled for ages but maybe I need more eyes to help cos there seems to be none relating to c#. Thnx/ Pete. ...more >>

Greetings: I'm have a WinForm in VB.Net that has several simple controls, specifically Comboboxes, that are data bound. I want to perform a search on the bound data (NOT on the values in the Combobox), find a particular row in the Dataset, and make the corresponding entry in the Combobox ...more >>

The Combobox control supplied by DOTNET configured as dropdown list behaves in the following way: When the user clicks into the box it immediately drops down. Normally dropdown boxes should drop down only when the dropdown button of the control is clicked. Most applications e. g. in Mocrosoft ...more >>

Assume a windows domain, and a .NET windows application connecting to a SQL Server 2000 server on the domain. I don't want to give a windows user or group direct access to modifying data, or executing stored procedures. I'd like to use impersonation, once I've validated the user. However, I...more >>

Hello. I want to be able to have an MDI parent form without any menu items. I also want to have an MDI child form without menu items. However, when I maximize the MDI child form, I always get a meny bar at the top of the form. How can I stop this behavior? Thanks in advance. Ryan ...more >>

Hi, I'm trying to add a couple of command line switches to a windows forms application which will perform a short operation and possibly display a message box to the user then immediately exit. It works fine when I run from the debugger but if I run the app from a cmd window the messageboxes...more >>

All, I have been trying to come up with a work around for the default form minimization process in .net. Currently, when you minimize a form it animates the minimization to the bottom left. This is fine, unless you are trying to minimize to the systray. Below is a snippet of code I wrote (...more >>

Hi all, I have an app that users can add plug in modules to, each module gets a key supplied by us to activate the module for permanent use, the modules however must work for a trial period, say 30 days, to allow the user a chance to test that the module is what they want before paying for ...more >>

Hi All, I am working on a windows form application and we have an MDI form with Toolbar on it. On click event of toolbar we are creating a specific instance of a child form and showing it. Now on the child form we want to set the focus on the first field and for that purpose we set the t...more >>

Hi, I am implementing a Forms designer in my application and would like to alter the default grid size used by the form. The only place I can find the property for GridSize is protected in the class System.Windows.Forms.Design.ParentControlDesigner and I can't for the life of me figure out a...more >>

Hello, I am working on a windows application that has to be network aware. What is the correct way to make it network aware? On startup the program must call a web service to retrieve data. Right now I start a Timer that calls an asynchronous web service called CheckConnection() every five s...more >>

hi,guys I am confused about Control component 's property What is the diffenent between ClientSize and Size? I want to create a customer Panel. for example: public calss myPanel:Panel { public myPanel() { CheckBox cb = new CheckBox(); cb.location = new Point(0,0); ComboBox c...more >>

I want to implement the DoubleClick event in a MonthCalendar control. I created my custom control inheriting from the MonthCalendar control, but I have no idea about how to proceed to implementing it... Can anyone help me ??? Many thanks NQ...more >>

I am trying to send a shift and right arrow keypresses to a window in another application. If I use Microsoft Spy++ and Press shift + Right Arrow, the events get captured as follows WM_KeyDown nVirtKey:VK_SHIFT cRepeat:1 ScanCode:2A fExteded:0 fAltDown:0 fRepeat:0 fUp:...more >>

Hi, how are you I want to draw a ICON on My Panel? How to do it? In C++; We can use CDC, and draw? public class PictureField : Panel { private bool isEditable = false; public PictureField(bool editable) { this.Enabled = false; this.Size.Height = 20; this.Size.Widt...more >>

Hi, guys. I am a newer to DOTNET. Now I use VS.NET 2003 for my project. I create a class inherited Form When I want to use this.AutoScroll = true; there is an error say: 'myForm' does not contain a definition for 'AutoScroll' Why? Thanks in advanced...more >>

Hello I have a PropertyGrid in my app that displays set of properties that is created dynamically at run-time. Ie. I use a collection that implements ICustomTypeDescriptor and it's instance is bound to PropertyGrid's SelectedObject. This collection stores PropertyDescriptor-derived objects,...more >>

Is it possible for a winforms executable put on a network share to scale to allow 100 or even 1000 people to "share" it? Assume a windows domain where each client has the .NET Framework installed, and that application's only external call is to make CRUD (read/write) calls to a SQL Server 200...more >>

Hi, I've some problem by getting files in my application path: I've to run the following instruction MyButton.Image = Image.FromFile(MyImagePath)); MyImagePath should be the path where to find the image and I want to instantiate it dinamically like this: string MyImagePath = Path.GetF...more >>

Does the .NET 1.1 framework provide a mechanism to navigate directly the "my documents" folder of the current user? (Specifically, I want my application to write a config file into the user's My Douments directory. But I do not want to have to force the user to navigate manually to "C:\Docum...more >>

Hi! I recently got the VisualStudio 2005 Beta 2 and already moved my open-source C# development to it. However since I want to release .NET 1.1 assemblies I have to keep the code compatible. After doing some work on a form in VS 2005 I noticed that this form's toolbar looked quite ugly when...more >>

when i write down the codes like below when I move the mouse The display of the form will glimmer override protected void OnMouseMove(MouseEventArgs e) { //do something this.Invalidate(); } How can i deal with it?Tell me the resolution,thank you. -- there is no failure only give up...more >>

if i have something like this private IDataAdapter dA; private class DBTalker(IDbConnection cn) { Type t=cn.GetType(); } By getting the connection type i know then if it is sql, access, oracle so it would seem that with that information i can cast dA as the appropriate type. I...more >>

I only want one instance of my C# Windows Forms app ever to run at the same time. I'm familiar with the Singleton pattern of course. What's the best way to achieve that pattern with a Windows Forms app? ...more >>

I have a field that contains a user logon. I want to populate a textbox on a form with the username portion of the logon value. I need to determine the length of the logon field in order to substring just the name portion of the logon. I realize you can not define a string as a fixed length...more >>

How can I obtain the binding object for a column of a datatable bound to a datagrid so I can set up format and parse event handlers? The bindings collection of the currency manager (where it seems the bindings should be) is empty as shown below. DataTable dtTest; // populated datatable ...more >>

Hello Everyone, I have a vb.net app with about 300 textboxes for data entry. My users are complaining because the blinking cursor is not big enough to give them visual notification of which textbox they are on. Is it possible to change the size of a textbox's blinking cursor to make it...more >>

Are there any sample code for sending email from a window form? Thanks....more >>

It is possible to execute the Form_ControlAdded event, or any other event in a separated thread? I want that while controls are added to a form it shows a progress bar....more >>

Hi all, I have two bitmaps that I want to merge. One is a background image and one is a transparent bitmap that has text drawn onto it. I have tried to take the Graphics object from the background image and call Graphics.DrawImage() and draw the text bitmap directly onto the background. Th...more >>

Hi, I populate a Datagrid (WinForms) from a DataSet. Colum sorting is enabled for the grid. When I sort the grid by column, the default view gets refreshed, but the row index does not get updated. This of course creates a problem when I select a datarow from the grid - I'm getting the dat...more >>

I've got several like-named controls that I want to affect as a group. For instance, a combobox name cboHEAT is related to chkHEATLock and chkHEATLockLoad. This same pattern is repeated for several sets of controls. What I want to do is affect the sets of controls without having to hard-cod...more >>

Hi All, I am developing a .Net plugin for MS Project 2002 & 2003 and have come across what i believe to be quite an odd bug: When I execute a Project dialog from within a modal .Net dialog, the .Net dialog becomes modeless. Both 2002 and 2003 behave this way. I suspect that this is more ...more >>

I'm new to windows forms, and I'm a bit puzzled how to add child windows to the main window and interact between them. In my case I just want to open up an Options window which, depending on what the user does in there, affects things on the main window. There's no ChildWindow control as fa...more >>

Environment : VC.net , VB.net Hi All, I have an XSD ( XML schema definition ) for an xml. Is it possible to create a default form for an XSD. My requirement from that form is that it should be able to generate an XML conforming to the XSD. It should do basic validations for missing mandat...more >>

Hi there, This may be a stupid/newbie question, usual apologies if so, but I'm writing in C#, and I've got an application with an MDI setup, and I want to add windows in as child windows to the MDI's child windows. For example, my documents contain many objects, and I want to add a dragabl...more >>

I am trying to write a custom component which requires a filename. How do I mark my FileName property to tell the Visual Designer that I want an elipses button for the property that pops up and uses the OpenFile Dialog? -------------------------------- From: Mona Everett ---------------------...more >>

Hi, Everybody. I'm working on an MDI application with some heavy childs forms, In order to free up some resources I would like to close them as soon as another child window is shown above them. Any Idea about how can I do that? Thanks in advance, Nando ...more >>

I have two projects in vb.net i want to access some forms of a project into other . I need help immediately . what are the concepts to be used to invoke a form of other project in present project ...more >>

I have a form with a protected MainMenu, with protected MenuItems (File, Options, Help). I have a derived form which I wish to put a View MenuItem on. I use the GUI editor to enter the menu item details, and then I drag the new View MenuItem between File and Options. All fine. I then buil...more >>

Hi All! Maybe answered a zillion times before, but how do you cancel the ugly beep when hitting enter in a textbox. : ) C#, framework 1.1... TIA Per Rollvang ...more >>

When the user click the combobox, a table with multiple fiedls will be dropped down. The behavior of the drop down table should be same to the normal combobox. Any suggestions (using C#)? Looking for a clean way to get this other than manually show/hide a panel/datagrid with events, or, thi...more >>