Hi, In the event handlers of KeyUp and KeyDown events, the passed-in event argument has two properties named KeyCode and KeyData. Could anybody tell me the difference between the two ? The documentation is very vague on this. And one more question. I'm creating a textbox to let users enter...more >>

Hi, Is it possible to rotate a control on a form ? (e.g. Button, customcontrol) thnx Christian ...more >>

HI! How can I change row height and row bgColor in datagrid and/or Listview? lang: C# platform: POcket Pc 2003 SE thx -------------------------------- From: Steve Butabi ----------------------- Posted by a user from .NET 247 (http://www.dotnet247.com/) <Id>daWopM6omkKa3nYcLV1pLA==...more >>

Hi, I have been trying to write to a memory stream and read and= display a meta file=2E I was ok with drawing on to the metafile=2E= But what I cannot seem to do is read from the memory stream that= I have written to=2E I get an exception saying, Additional= information: A generic error o...more >>

This is very queer=2E I am using a CheckedListBox in VB=2ENET=2E When I run the application= on my development machine, it works just fine=2E But when it is= run in the client's machine, sometimes (seemingly randomly) the= for the top 2 or 3 items of the checkedlistbox, the checkboxes= o...more >>

Hello all, I am having a problem which has really stumped me=2E Using =2ENET= management in a C++ program, I am trying to get a control via= it's handle=2E However, even though a C# utility will pick up on= the control with its handle, this C++ program will always return= null (same con...more >>

(Type your message here) Hi, I want to make user control transparent. I have made it tarnsparent using maketransparent method but while moving that control its taking background of parent control which i dont want so how can i make this?? Please help me ASAP. my email id is vrushalid@gmail.c...more >>

Hallo=2E I have two panels docked on the right of the form (p1 on the left= and p2 on the right) and I want third panel to slide from right= to left into a view between p1 and p2 (Just like Solution= Explorer window in Visual Studio ? if it is in auto hide mode= its slides to left when mous...more >>

Hi all, I have a frustrating problem with ListBox: I am adding a custom collection (MyColl : CollectionBase) as the DataSource for a standard ListBox control. When selecting an item the name of it appears (DataBound Property) in a TextBox to allow editing. The thing is that when Im editing ...more >>

Dear All, We have developed an application and are use No Touch Deployment to run it...quite a few times the application just crashes without any exeception...I have handled the thread exeception handler too and it does not come there... How do I debug to find out what is causing the problem...more >>

Where are the routines mapped to events in a Windows Service app. I notice that there's OnStart, OnStop, etc - but I can't find a place where these are added as event handlers. Are the reserved names for a Windows Service app, or is there something I'm missing? -- Doug Thews Director, ...more >>

Hello, I have created a project that is dynamically adding an OCX control to my form. I also have other OCX controls on the form that I have placed from the designer. When I call the form using ShowDialog, the forms Load_Event does not fire. When I call the form using Show the forms Load...more >>

I have a custom control consisting of a panel, a text label, and a TreeView derived from Microsoft's TreeView control modified to allow custom paint events. The text label is contained inside the panel, which is docked at the top of my custom control; the treeview is docked to fill the remain...more >>

Is there a consitent/easy way to get the X:Y pixel offset of a contron within it's containing Form (irrespective of how deeply it is nested within a control hierarchy)? I've written a little routine that runs up the hierarchy, but I thought this must be such an obvious thing that there migh...more >>

I am looking to capture a web page and display it in a PictureBox. I have tried loading the webpage in a browser control and have managed to capture the control but only for the width and height that the control is on the form. So I only see what the control shows with scroll bars for the re...more >>

Hi, Iam trying to delete a row on a Winforms datagrid and before deleting the row I want to do some validation. But, the Keydown event on the datagrid where I check whether the key pressed is 'Delete' seem to fire sometimes only. How do I change the code so that the Keydown event fires at ...more >>

Hi, friends, In a VC# app, I have a DataGrid with DataTable as its SourceData. This DataTable has a ColumnStyle collection for each field. In Form_Load event, I set myDataGrid.AllowSorting = false; However, after filling up data, I can still sort each column. Any ideas? Than...more >>

I have a app.config file that looks something like this. <?xml version="1.0" encoding="utf-8" ?> <configuration> <appSettings> <add key="test" value="10001"/> </appSettings> <fileTypes> <add key="htm" value="c:\temp"/> <add key="jpg" value="c:\temp\jpg"/> <add key="png" value="c:\temp\png"/...more >>

Is there a way of destroying all objects when a form closes so that the correct objects can be created once the form is REopened? error i am getting is : "OBJECT REFERENCE NOT SET TO AN INSTANCE OF AN OBJECT" when opened and closed repetedly and alternating between the 2 "modes" ...more >>

Hi, Is it possible to create a hierarchical listview like the one we get while doing a quick watch. Is there any article on using a tree view inside a Listview. I have searched all thru and havent got any luck. Tarkeshwar L ..Net Programmer Fifth Generation Technologies ...more >>

Is there anyway to change the url of existing IE Explorer's page from another window program? My current IE Explorer's page url is http://msdn.microsoft.com. I want to change this url of IE to http://www.asp.net from my another window application's event. Any idea?...more >>

I want to use SHdocVw to navigate the local file system. This is not a problem as something like he following will achieve my purpose.... AxWebBrowser1.Navigate("C:\") My problem is that I wish to display the folders and files in "Windows Classic" view on an XP machine without the common t...more >>

Hi, I'm trying to add a context menu to my form that would contain only items that can be checked. I would like the context menu to stay open when the user clicks an item. This way, they wouldn't need to re-open the context menu to check 5 or 6 items at once. So basically, open the con...more >>

I am trying to change the dark greay BackColor of an MDIParent form in the Properties window to White but nothing happens. Is there a trick to it? Thanks...more >>

I and pretty new to .Net. I am trying to save a value back to a SQL Server database from a Windows form. I keep getting this error? A first chance exception of type 'System.FormatException' occurred in mscorlib.dll Additional information: Input string was not in a correct format. This li...more >>

I have a grid that is the list portion of a list & detail set. I am catching the SelectedIndexChanged event and using dslistdata.Tables(0).Rows(grdListDisplay.CurrentRowIndex) to get the data that fills the grid's row from the underlying dataset. This works fine if the grid hasn't been sor...more >>

Hi there, Ok, this is weird. For some reason, when I open up a windows form to edit, there is a piece of my code being run. Here's the story: I have a base main form that contains code that opens the COM port (as well as doing other things). I derive my "real" main form from the base as th...more >>

let me set the stage for my question.. A C# winform with one datagrid on it. A DataTable dt that has some data in it bound to the datagrid using setbindings(). The Table has these columns in it. First Middle Last Address Customer_id Now, I create a data table style for the datagrid ca...more >>

I have recently implemented asychronous httpwebrequest. My goal in doing this was to allow me to move my form around while a download was occuring and to keep the form from being distored when other windows are moved over it during an httpwebrequest operation. Well, I am running asychronous...more >>

In a windows application, in the form, I have a text box and I use Me.MyText.Focus(), this does not get focus to the text box, what shoudl I do? Thanks, ...more >>

Hi everyone, I have a really annoying problem: I've made a simple user control (an enhanced progress bar); both at design-time and run-time everything that is outside the default control size is not drawn. It's like the default size works as a clipping region and everything drawn outside is...more >>

Hello, I'm new on this so please be pacient =) I'm trying to filter data from a DataView and place de dataview as the DataSource of a DataGrid. DsTimeRecording1 --> Dataset EmployeeID --> GUID TRDate --> Datetime dtpDate --> DateTime Picker control on the form cboName --> ComboBox control...more >>

Hello, I'm very very new. so please be pacient =) I'm trying to set the DataSource of a datagrid using the RowFilter property of a dataView. Employee is the Table already in a Dataset (connection to SQL Server) EmployeeID is a GUID TRDate is datetime cboName is a Combobox on a Form (ValueMem...more >>

Hi! My problem is that I can't format the datagrid (WindowsForm) in a WinCE application. I'm working with VS .NET 2003. What I want is to give a headertext to the columns and to adjust programatically the width. The solutions in the help and in the newsgroups doesn't work. I have alread...more >>

Hi all, Can someone tell me what is different purpose between AddOwnedForm method and MdiParent property of Form class member? Cheer, KPH...more >>

Ok, bear with me. I've just spent the evening looking at tutorials and samples and I am getting confused. I have an extremely conventional set of order header/order detail tables, the details bound to a header record by the usual order number. What has me confused is this. I would like...more >>

I have made a windows app using Visual C# .NET and have been designing a form using the form designer and writing code. It was working just fine until recently (I could view the code or view the designer just fine). Now, when I try to view the designer, I get the following error message: ...more >>

I have a combo box (C#)that I want to populate from a SELECT query How to do this?...more >>

Question which is involving "System.Drawing.Printing.PrintDocument". How to check the printing status of the document I sent to printer ? How do I check the printing queue using this object ? How do I cancel the printing ? Is there any other way to check the printer status ? Please provi...more >>

this seems like a bug to me. I use VS.NET 2003 with the framework v1.1. I had a project that grouped all the common forms I would use in other solutions. There are icons associated with these forms. This week I had to reorganize my development tree, things got moved around by prune & graft. It...more >>

Hi I'm looking for the fonts whose character's size is the same no matter what character is. this is because I'm printing a receipt and I need that each column has the same lenght, just to make it look better. I only know Courier news has it, but I'm looking for more to have a variety ...more >>

Hi, I have a datagrid, datasource is an Arraylist. I've been able to add the columns I want; a few string columns and a few DataGridBoolColumns. The ArrayList is being populated before the form is opened, and all the data appears on it as I would expect, except for the DataGridBoolcolumns. ...more >>

I have a function that is currently wrapped up in a Class so I can pass a variable to it. This function is going to be threaded out and I would like the class function to be able to update a control on my form. (Treeview). Is this possible and how do I do it? Here is a simplisitc overv...more >>

Hello, I am developing a Windows Foms application that is hosting a WebBrowser control. I am trying to open multiple windows of my application. I am able to do that by using the following code in my New Window event: Form1 newWindow = new Form1(); e.Equals(newWindow.axWebBrowser.Applica...more >>

I have a main form, with a public property. And this form open another form by click a button. Is it possible that the new created form access the public property of the main form? public class MainForm : System.Windows.Forms.Form { ...... public string P1; private void mniFreeze_Cl...more >>

Where can I find good information on adding nodes nad childnodes to a treeveiew. I'm trying to do the following: IN THE TREEVIEW CONTROL Event --> Weightclass ---> Lightweight Person Person ...more >>

Hi ! I can call form2 from main thread but when i create a child thread i cannot call form like Dim frm as new form2 frm.visible = true now this only works in mian thread so my question how do call a form from a child thread ? Thanks ...more >>

Hi ! I can call form2 from main thread but when i create a child thread i cannot call form like Dim frm as new form2 frm.visible = true now this only works in mian thread so my question how do call a form from a child thread ? Thanks ...more >>

I would like to paint a drop shadow behind my forms - like the drop-shadow that appears behind the mouse, and the StartMenu on XP. I'm wondering is there some way to go about doing this. I have no problem creating the complex alpha channel image for this - I just don't know how and on what...more >>

I am using an ArrayList to populate a list control. Let's say the arraylist has instances of a class called Thing. This has two properties called ThingValue, and ThingName. Here is how I bound the list with the arraylist private void bindList() { listBox1.DataSource = null; listBox1....more >>