Protected override void WndProc(ref Message m) { .... base.WndProc(ref m); } When should override the WndProc member of base class? Can "Parent.WndProc(...)" be used to replace "base.WndProc(...)" in the following code? What's the meaning of "parent" in C#? Why is it needed to call...more >>

Hi all, Is there any .NET way (I am not rulling out API usage) to add button(s) to a form's title bar? I found some non-.NET solutions that did actually work in VB6 but not in the ..NET forms... I tried painting, but the paintaing area provided by the form is only the client area - no vi...more >>

Hi, there, I need to intercept scrollbar move event for a panel control to do something. But I cannot seem to find any event in ScrollControls that can let me do that. Thanks for the help. Michael...more >>

How can I hide a column in a Windows Forms DataGrid?...more >>

Can you set up a TextBox to accept HTML content? or only Label? ...more >>

When I set a textbox.Text property to strings that have \n characters, they show up as '[' or something else besides properly interpreting them as newlines. Is there some property, or should I convert them to <br>? ...more >>

I want to be able to capture a pixel color of any item on the desktop using the mouse. This is a typical "eye dropper" tool. Does anyone have ideas on how to capture a mouse event in any other window on the desktop...then get the pixel underneath it? Thanks. ...more >>

Hello, the sample http://samples.gotdotnet.com/quickstart/winforms/doc/WinFo rmsCreatingControls.aspx uses the RaisePropertyChangedEvent("DrawingMode") call, but i cannot find it in the source!!! And it also overrides: //Override OnPropertyChanged to raise the DrawingModeChanged...more >>

test ...more >>

Greetings All.. I know this is not the place for posting this information. But I think it would be good to let you know.. Last night I made 1 post to this newsgroup (btw im new to this newsgroup and server so I know its coming from here) and this morning my Inbox was filled with messages which...more >>

I have a window form application. The main thread creates a work thread to do a web request. The work thread has the exception mechanism in place so that if there is anything wrong with the web request, the exception is catched in the work thread. However it still causes the main thread to cra...more >>

Hi, Is there any function that Suspend all events for the Control object ? thanks ...more >>

How can I programmatically select a listview item? I can't seem to find a native .net method - do I need to drop down to WIndows API level? I have MultiSelect off, so one (or none) items should be selected......more >>

Hi All, Does anyone know how to set the custom papersize of a Crystal Report in = ..NET Thanks in advance, Ivan FYI:=20 I'm using .NET 2002 framework 1.0 and CR9 for .NET...more >>

I only want the datagrid show 4 and only 4 rows. thz ...more >>

Hi. I've been working on this app at the company I work for for a little while, and we're pretty close to really releasing it, but before we do, I'd like to get some feedback on a number of things. One of the big questions is, being a Windows Forms app, is this going to deter people from down...more >>

Hi, If I have a form and I show it like this: MyForm f=new MyForm(); f.Show(); when I close the form by clicking the close button MyForm.Dispose() is called. When I show the form like this: f.ShowDialog(); MyForm.Dispose() is not called. Is this a bug or there is a reason for th...more >>

Hi..I have the main form setup..and now i had to add another form to the project..when i run the form2 from form1_load event like this: results.show() ,the form will show but without any of the properties i specified for it..and no controls on it even..form1 runs fine though..How can i fix this....more >>

Hi All I got MDI project in c#. When i load child forms in container i want to hide or disable Min,Max and Close buttons of child form. Is there any way to do this? Thanks in advance Regards Raghu ...more >>

I have a multi-line textbox. How do I cause a line break in the textbox?...more >>

I have created Windows application in .Net. Here I want to display all SQL Server names. For this I am using sqldmo.dll.I have added this dll into references but it gives exception "QueryInterface failed". I have this in VB.It's working fine there. Can anybody help me in solving this probl...more >>

I come from Delphi. In Delphi there is a component named TAction. This TAction helps you to synchronize menus&buttons and other ways to call a form in that way, that you link certain menu item to an action, if you have a button that open the same form of that menu item, then you link that ...more >>

This is the scenario. 1. I am binding the customer table to a datagrid 2. Dont want the customerid to be shown in the datagrid, so am setting ColumnMapping = MappingType.Hidden 3. Now when the user selects a row, its index and the tables row index is the same, so i can access, the record ...more >>

I wrote a few windows programs with .NET some time ago. Since then all my work has been with ASP.NET. I was not that impressed with the Microsoft DataGrid control. Are there any improvements planned for the DataGrid that comes with .NET? What 3rd party DataGrid controls do you recomm...more >>

A lot has been said about the new improvements in ASP.NET (Whidbey). Are the any window forms improvements in .NET 2.0. Jay...more >>

I recently installed the VS 2003 upgrade and a problem showed up (related or not) where the windows form application configuration file (ApplicationName.exe.config) is deleted during the application startup. The file is present in the executable directory and after startup it is gone. If...more >>

Hi I have a method to create and start a thread, also I have an event to know when this thread finish, but when a I call the method two or more times, the event execute its code this number of time for each thread that I have created. For example If called the method twice, it creates t...more >>

I'm having problems. I have a table set up in my Database that stores the locations of the dlls to all my programs. It loads the list into a menu and launches the program based on what the User clicks. Here is what my onClick looks like: 'GET A DATAROW FROM DATABASE OF THE PROGRAM ' THE...more >>

It seems that all fields in a standard DataGrid default to align to the left, including numbers. I can't find the "columns" property of the grid, to change the behavior of the particular columns. Where do I change that ? Regards, ...more >>

How do I get a string representation of an ascii value ? I'm trying to work out whether a string contains a carriage return, so I need a string representation of ascii value 13, in c# Please help ! ...more >>

The menu's and toolbars in the .NET Developer Studio (C++) have a blue rectangle behind them, and the active icon has a shadow beneath it. I was expecting my applications to look like the developer studio, but the menu and toolbar still look like the ones in the old screen editor (VS6). So toolbar...more >>

I have a windows client working with a web service. From the windows client I have done an update of a field in the web service database by means of a command (not via changes in windows client dataset). What should I do in Visual Basic to refresh/reload the windows client form with the ...more >>

Hi I wish to create a ReadOnly textbox to display information that I do not wish the user to change, but I still wish to retain the scrollbar functionality etc. incase the text is larger than the displayable area. This was a simple property in VB6 but seems to of disappeared, progress?...more >>

Hi, recently we had to design some forms where pure keyboard navigation is mandatory. I cannot get out of the datagrid at any arbitrary location, grid catches the Tab and uses it to move around inside itself. KB says that KeyPreview for form won't work in case of datagrid and this is by desi...more >>

Dear all, how can i use dockable window using c#? Thank you. ...more >>

Hi How can I associate an event to a thread??? I need to know exactly when a thread finish. Is it possible??? Regards ...more >>

Hi all I have a bit of a problem sorting the columns of a listview in descending order. The following code has no problem sorting the listview in ascending order. At every column click i switch the sorting order. Using VS.NET breakpoints I can see that the ListView SortingOrder is cha...more >>

I have a form in my application. This form contains some controls + a panel with controls in it. I have to be able to move, resize, ... the controls in the panel (only those in the panel). Is it possible to use the design functions of the framework to do that? All the sample that I've seen use a ...more >>

i defined a dataset and set it instance as the data source of the data grid but i cannot find the mapping name of the table of this dataset inside the tablestyle property, i dont know how to set the style ...more >>

Hi, If i use DataGridTextBoxColumn and set its Alignment Property to HorizontalAlignment.Right i get some HeaderText truncated at the right end, especially those ending with the captial Letter 'W'. How to avoid that ? Thanks Ingo ...more >>

Using .NET IDE 2003 I created a simple form that includes a button with image. When trying to run this project on old .NET IDE 2002 it is throws the following exception: System.InvalidCastException: Specified cast is not valid. It's happens on the following line in standard Initializ...more >>

Folks, How can I change a tooltip's background colour? I expected to find a "backgroundcolor" property on the "ToolTip" component - no such luck.... And there's no method to call from code, either..... hmmm.... Any ideas? Marc ======================================================...more >>

Hi. I have seen alot of cases on google where people having the same problem, but I have not seen a comprehensive solution yet. I really hope someone can solve this once and for all. I have created a SmartClient (No touch deployment) and it runs Ok. But when I change the program and retry it ...more >>

Using the DataGrid control. User can select multiple rows by click and drag of mouse Anyone any idea how program can determine which rows are selected? ...more >>

Subject: Windows distributed app Data layer: SQL Server ( on separate machine ) Middle layer: WebServices on IIS ( on separate machine ) Questions: How could be ( SOAP ) traffic between Client and WebServices compressed at least for larger DataSet-s. Thank you in advance. Gisa ...more >>

hi, everybody, After the user enter certern text(for example "apple"), I do something in the textBox_KeyDown evnet hander. Firstly, it work well. But after user enter text some times (about 111 times), the KeyDown evnet of the textBox will not be fired(or exactly,the evnet hander code will ...more >>

Hi, I saw your article in msdn about loading forms dynamically. It is really a great article. URL: http://msdn.microsoft.com/library/default.asp? url=/library/en-us/dnadvnet/html/vbnet10082002.asp Sorry, soo far i never had tried anything with winforms..was working much with webfo...more >>

All,=20 I have a function which returns a double and is show in a label. I need = to convert the double to a time format. For example, if my double is = 1.73 then the time should be 2 hours and 13 minutes. How can I go about = this? Thanks,=20 Brian P. Hammer...more >>

I have a dialog box that has an icon for "paste". I want to enable it if there is text on the clipboard. How do I check for other parts of my dialog (e.g. textboxes) that may allow a ctrl-c. If my form intercepts KeyPress or ProcessDialogKey, it seems that the data has not yet been put on t...more >>

I'm developing a WindowsApp using VB.NET under .NET 1.1. Development and target OS is W2K SP4. Everything is running fine in W2K but when I try to run under XP some strange things happens when closing the application dialogs. A SEHException is thrown somewhere where I cannot catch it, the ...more >>