Hi all, Assuming I have 2 form controls on my application. First form is parent form and second form is inheritance form that inherit from first form. When I want to view designer of second form (inheritance form) it is always done at load event of first form (parent form). I have test by ...more >>

I have relatively little experience in Dot Net graphics. I have a picturebox with a background image. For the purpose of this application it is necessary to draw polygons (both filled and outline only) to emphasize parts of the image. It would probably be better if the background image...more >>

Hello, I'm trying to add a "Send to Notification Area" item to the context menu for my application's taskbar button. (For example, right-click a CHM file (i.e., SQL Server BOL) in the taskbar, and it has three extra menu items...Separater, Jump to URL, and Version.) The only thing I found ...more >>

hello i write a smtp client winform (using socket 25 connect to smtp server),and deploy it to iis by NTD (no-touch deployment),i can launch the form from the client machine,when i want connect to the smtp server,the security exception is thrown,i know that i have not assigned the socket permissi...more >>

Dear all I have to develop a database independent application in c# 2003. It means the underlying database should be anything like ACCESS, Oracle or SQL and my application should not get affected if i change between databases. i also have a requirement of storing 10,000 user records in my databa...more >>

Hi, I'm experimenting with the Serial Port in VB.NET 2005. Although it isn't that easy to get any feedback from my COM-port as I thought it would be... How can I read all the Data that the port sends back? I tryed with SerialPort1.ReadLine, but that blocks the application and takes a lot ...more >>

I've been trying to perform a drag and drop operation from a PictureBox control in a standard C# form (with a FixedToolWindow border) to another standard C# form, but cannot get it to work properly. In the FixedToolWindow, I have the following code: myClass c = new myClass(); // cont...more >>

I have created a form for my application. Once the form was working, I copied that form to a new form that would contain all the common elements of all forms in my application and made the existing form inherit from the common one. Now when I try to run my application I get the following err...more >>

Using VB.NET. How can I create a system tray program that displays number as my system tray icon instead of an actual icon? I am creating a weather program and when I minimze my program to the system tray I would like to show the temprature in the system tray. thanks in advance, Lou ...more >>

Hi, I have a string with XML in it. I want to display this xml in a windows form. I have looked at Microsoft Web Browser control, but it seems to want to work with a url. How can I just pass my xml string for displaying? Thanks Martin ...more >>

I have a number of datagrids bound to collections. When the collections are populated i get the column headings as per the ColumnStyles for the grid. However if the collection is empty no column headings are visible. Is there a way to force the headings to display other than having a dummy i...more >>

In my application, if one dialog is open, the taskbar icon shows as the icon of the form. If multiple dialogs are open, then windows groups them under one icon in the task bar, but the icon is blank. The application definitely has an icon, as is show by the compiled executable. Does anyone kno...more >>

Hi, A System.Windows.Forms.Button with FlatStyle set to 3-D (Standard) is not 3-D enough for my application. Its hard to tell when the button is up or down. Users of my application need a strong visual feedback. Does anyone know if its possible to increase a Button's border width/thicknes...more >>

hi i want to override the windows forms tree view in a custom control in a way so the selected tree node does not center itself inside the tree view (is quite nasty if the tree view is scrollable, then you have to scroll back to get to the little + in front of the name). does anybody know...more >>

Is there a .NET equivalent to the Win32 API's for ShowCaret and SetCaretPosition. I am trying to draw a blinking caret and hope that I donot have to go through and create my own graphics routine just to get a native caret look alike ...more >>

I have a datagrid bound to a strongly typed dataset. The datagrid can be made readonly by either setting its ReadOnly property to True or by setting the dataset's DefaultView's AllowDelete, AllowEdit, and AllowNew properties to False. But in either case the datagrid still accepts a delete keyp...more >>

Is there a quick and easy way to draw a table on a winform? For my university assignment, we are asked to practice drawing with GDI+, so we are not allowed to use any built-in controls. The table has 5 columns and 2 rows and the first row is the heading. I guess I could use g.DrawRectangle()...more >>