Hi I have a datagrid that I have filled with data from a dataset with more tables and the proper relationships between the tables. One of the cells in the grid is a combo that contains a list of possible values for that cell. When I entered the cell it's shows a drop down list with the firs...more >>

I have a list Control to which I am binding an array of custom objects. Say the custom object is ClassA. ClassA has a property XYZ. The property XYZ is of type ClassB. ClassB has a member called "Name". Now I want the "Name" to appear in the display of the List Control. If I set the DisplayMember...more >>

I have down-loaded some source from the Code Project which contains a file called ExtendedRichTextBox.dll which is supposed to be issued by MSFT and to be an extended version of the RichText Box. I am suspicious of the file - the company shown in its properties is BXSW and there is no men...more >>

Is there a way to always get the actual caret position in a multi-line text box? Using SelectionStart will not work when pressing Shift+Down or Shift+Right - in that case the caret position is SelectionStart + SelectionLength. When pressing Shift+Up or Shift+Left, the caret position is sim...more >>

So, I'm not really sure where to post this, but I'll start here. If you open a pdf file from a browser, and you have Adobe's Acrobat on your machine, the file is opened within an instance of Acrobat loaded into the browser. Now I assume that the browser actually uses a control (ActiveX? .NET?)...more >>

I have a usercontrol, which contains a textbox (as well as other controls). The textbox is set for multiline, so it *should* accept an Enter Key to move down to the next line. However, I'm finding that if I put the control onto a form which has a default Accept button set, then pressing ent...more >>

Hello, My group is investigating the conversion of our WinForm 2.0 development to 3.X with XAML. Within our legacy development we have created many sub-classed UserControls. Some are derived from Nevron Chart Controls and some are derived from standard windows 2.0 components. I'm wonderin...more >>

Hi, is there any way to develop automatic check for new release of my application. So when i start my application i want to check for new version on server and if there is one i want to download that version and run it. Thank you...more >>

Can anyone explain the differences between a control's Focus() and Select() methods? The documentation says that Focus: "is a low-level method intended primarily for custom control authors. Instead, application programmers should use the Select method or the ActiveControl property for child c...more >>

I have written a owner-drawn combo box, but I'm having trouble with the column headers. I have inserted a dummy object to use to draw my header, but this has caused side effects such as valid index starts now at 1 instead of 0, also, if the user chooses to not use the header, I end up with a ...more >>

I have inherited a program that edits XML on PropertyGrid. It uses element or attribute names as propertynames. It lets user add, remove and move XML elements (based on the XML schema). Problem is, if there are several elements of same name (i.e., the schema has maxOccurs="unbounded"), adding...more >>

I am noticing that it seems to take windows a long ass time to paint a ComboBox control that has say, 32000 items in its dropdown. Yes, I know that's a lot. However, I have a VB6.0 application that uses DAO to access an Access database, and it can load up a 32000 item combobox in a fraction ...more >>

I am very new to C#. I need to create a Windows Form that will read a SQL 2005 table and populate a treeview. I can connect to the DB, create the dataadapter, populate a data set. The problem is how to use the dataset to populate a treeview. I have not found a Windows Forms C# example t...more >>

Hi, I have a problem with the paste option in the auto generated context menu for a TextBox. When the textbox is readonly I do not want the option Paste to be enabled. Copy should be the only choice active. This happens with XP. When I test it with Vista the Paste option is disabled when th...more >>

I have previously used this fix for making the background color of a DateTimePicker work: http://dotnet.mvps.org/dotnet/faqs/?id=datetimepickerbackcolor&lang=en This fix does not work in Windows Vista and this is causing me problems. Does anyone have any suggestions what I can do to make t...more >>

WebBrowser control in VS 2005 doesn't resize automatically when JavaScript or Web page code tries to resize the browser. I could not at least find an event to be notified that the browser needs to resize. If I add Microsoft Web Browser control via tool box using COM components tab(shdocvw...more >>

Hi, I have a background image I'm using as a form within my report. the problem is that I needed to reduce the resolution of the image to 96 dpi in order to work with it and line things up within the ssrs/vs2005 report editor. However because the image is only 96 dpi, it looks awful wh...more >>

I am populating a TreeView control in the Load event of a form. The form appears to hang on startup (startup form for the application) because the fill process takes a few seconds to complete. Because I've used the BackgroundWorker object a few times in the past, I decided to use it to fill ...more >>

HI, Could any body please help me in highlighting a control(Even it may be windows form) present over a Panel or Tab control or groub box control which in turn present inside a windows form. any help in this is greatly appreciated. Thanks Raja ...more >>

Hi all I need to code tree control on windows forms which has an appearance as given in the link. http://deluxe-tree.com/data-samples/tree-menuxp2.html There is a slight variation that I need to add in the tree control. The child items should not be in the form of +/- ( standard tree like )...more >>

I purchased Visual C# 2005 Step by Step on the hopes that it would help me learn how to use the DataGridView control among other things, but the instruction I looked at is very diluted. I've been sifting through the web and the help menu to help me learn this control for weeks. This is my ...more >>

I noticed that if I subscribe to a DataGridView's KeyDown event and press the Enter key when focus is on the DataGridView, at the time my event handler is entered the DataGridView has already processed the Enter key and advanced the current row. I found this surprising because the event arg fo...more >>

BlankAll I have created a UserControl that hosts a RichTextBox control. The = RichTextBox control has the multiline property set to true. When I run = this and use the TestContainer, I am able to type and using the enter = key allows the multiline feature to work correctly. I use the = CWi...more >>

Hello, Has anyone dealt with these situations: How do I set the text to align to the left on a list view's column headers but display a sort- indicator-graphic (eg: triangle) on the right edge of the column header when the column is sorted? Also, how do I set selection check-boxes fo...more >>

Is it possible to specify the Theam or set of system colors that my application will use? I am writing an application and I want to use the different system colors for buttons etc but I don't want to change the rest of Windows. Also does anyone know of the best way to create a new theme? C...more >>

hejdig. I want an event _before_ the row is changed in a Windows.Forms.Listbox to be able to cancel the change of row. When the user changes row in the listbox, I check if some other controls are updated. If so I tell the user and want to cancel the change of row. ( With a grid one can ...more >>