Hi there, I've googled this problem, and not found a suitable solution yet. I was wondering if anyone has made any progress? Basically, I want to make a textbox automagically adjust it's height to show all the text it contains. So, if I add text then it grows, and it shrinks if I remove ...more >>

Hi, I have to write transparent control - simple red rectangle. When I mouse move control should change position(left and top). The problem is when red rectangle is moving over other controls such Buttons, PictureBoxes it flicker. Below is code of rectangle control : public class...more >>

Hello, I am making a app that creates a thread to show a clipboard. If the clipboard is double clicked, another window is displayed, the event is handled inside the main app. What I would like to do is have the clipboard use the main thread of the application that called it to handle the ...more >>

Hello, how do I submit AxWebBrowser control to print? Thank you...more >>

Does anyone have advice about ways to obtain information about errors that occur in Windows Forms applications at a user site? I am currently sending exception.ToString back to me. I am not distributing the .pdb files for size reasons so I do not get line numbers in the stack trace. I have re...more >>

I'm coming over from a background in VC++, and in general I've been pleased with the simplicity of the .NET environment. Not here. I've done google searches on this subject (loading bitmaps from a local resource) and always come up with complex solutions. This can't be right. Everyone packs ...more >>

Hi, I have bound a DateTime field in a DataTable to a TextBox field. Other String and Numeric fields are also bound to separate TextBoxes. If a new DataRow is created and a DateTime value is entered no problem. However, after the row is saved, I am unable to clear the date from the textb...more >>

How I can prevent Multi line select on DataGrid? ...more >>

I'm trying to hide the main form of my application, as I want all of the user interaction with my application to come from interacting with a notify icon with a context menu in the system tray (which I have working). I've figured out how to hide the form easy enough, set the WindowState to ...more >>

I have a panel and some of my controls on it (each control is derived from Control, not from UserControl). I need to delete the selected control by pressing the Del key. How it can be done? Panel does not process any keyboard events. Also I don't want to delete any controls when focus is on ...more >>

I have a very simple C#.NET (Framework 1.1) application that is one form with standard .NET controls on it. The application requires a CONFIG file to work. When I install the application to Windows 98/2000/XP, I simply install the .NET framework and copy the EXE and CONFIG files to the wor...more >>

Hello, I have a DataGridView with several columns. I would like to change the tab order for the columns but I can not find a way to do this. There is no property to set the tab order. I could listen for the tab-keypress but I can not find a method setting focus on a specific cell in the DataGr...more >>

I wanted to find a process by the ProcessName property, but I discovered that if the executable name changes, the ProcessName reflects that. Is there some way for me to identify a process by something that may not change? ...more >>

How do you create controls like Toolbox and Solution Explorer that expands OnMouseOver and lsides back when looses focus? Also, it has bookmark. -- Thanks for your help. Harshad Rathod...more >>

How do you create controls like Toolbox and Solution Explorer that expands OnMouseOver and lsides back when looses focus? Also, it has bookmark. -- Thanks for your help. Harshad Rathod...more >>

My application is so successful that it needs to go global. The only problem is that that means Japanese. I don't know the first thing about making a Japanese language application. I know I have to use Unicode, but that's about it. In case it matters, the user will be presented with a ...more >>

I wished to show verbs in a PropertyGrid that is hosted in my own WinForms application. The normal way to show verbs is to provide a IDesigner implementation, however this only works when the PropertyGrid is hosted inside of MSDEV. This is my solution, comments please. using System; usin...more >>

I start up several instances of an application I've written. From one of the applications I'm trying to close all of them, but it's not working. I'm doing this by registering a message and broadcasting it. but when I put a breakpoint in my overridden WndProc, It never seems to get the message. ...more >>

How do I find out what the Systems's appearance parameters are such as the window border width or color?...more >>

hi guys, i just have a doubt about this one... i have several class that just basically do CRUD operations (create, read, update, delete) now for example on my delete function, i want to create objects dynamically based on TableName.. this is my current line of code Public Sub ActionButton...more >>

Hello, I have an application that starts notepad.exe from a button click in VB.NET. I am looking for a way to make the window maximize or minimize from the vb app. Any suggestions (if at all possible, detailed) will be greatly appeciated, Thanks, Chuck ...more >>

I am writing a smart client application that needs to monitor the users dial-up connection status. If the user disconnects, I need to prompt them to reconnect, or quit the application. I tried using the following WMI query wmiDialupDisconnect = New ManagementEventWatcher("SELECT * FROM MS...more >>

Ususally we do like: SalesOrderForm fm = new SalesOrderForm(); where SalesOrderForm is a valid form in one of the assembly, that is SalesOrderForm is a type. How can I create an instance of SalesOrderForm when I do not know its type at run tyme? For example public openForm (string for...more >>

I have a vb.net application that starts with a login form. I would like to show it again after 5 minutes of inactivity of the application. Now, I use a timer and I start it in the application.idle event, but it doesn't work fine, because it shows the login form every 5 minutes of activity ...more >>

I am writing a 3D graphics demo for my students, and thought I had a really slick solution for handling the interaction with the mouse. There are several ways to interact with a 3D world, and I have attached a mouseDown event handler to my OpenGL panel (control). What I want to do, is based ...more >>

In my windows app, I have an event handler for the mouse move, and want to allow for constrained interaction using the shift or control keys. I can not figure out how to get the state of the shift, control or alt key modifiers for the mouse. The mouseEventArgs does not seems to have anything...more >>

Hi All I've tried without success on google and google groups to find the answer to this, but without success - but I do recall it being discussed... In my application, if I want a slightly modified Title Bar on some forms - eg so that it is coloured yellow rather than using the system sch...more >>

I have been playing around with the "Dynamic Properties" of the controls and for the life of me, I can't figure out why would anybody care about using feature. It looks like the only things that this feature does is store and retrieve values from the app.config file! The thing is that, the...more >>

Hi Im planning to develope a open source editor for editing some special xml files. I guess its quite a task (read time-consuming) to develope my own xml editor from scratch. I need tag highligtning, endtag autocomplete and just plain texteditor capeablities. Anyone know of a free xmledi...more >>

I am working on an app that is receiving hex numerical values via serial connection. I am now to the point that I have converted each byte into its ascii code value. Could comeone please tell me how to convert 48 to 0, 49 to 1, etc? I need to display this in a textbox. Thanks in advance for any and...more >>

Ok, I'll admit it, I'm a winforms newbie. I'm writing an image processing program that, by its nature, gets into some fairly lengthy processing cycles. As long as I don't touch the UI while it's working, don't alt-tab away and come back, don't minimize and restore--in short, as long as I sit...more >>

Can anybody tell me which is the most appropriate news group for questions on Webforms rather than Windowsforms? Many thanks. -- Jeff Gaines Damerham Hampshire UK...more >>

hi I have a tabcontrol with few pages. 2 of the tab pages have one checklistbox each, when I flip through the tab pages, the checkboxlist loses the check states. I thought, the tab control may not be painting them properly. but that is not the case. the check states are lost by the checklis...more >>

Hi, I'm trying to select all listView items with SendMessage API function and LVM_SETITEMSTATE windows message .... hWnd = listView.handle; index = -1; .... LVITEM lvItem = new LVITEM(); lvItem.mask = LVIF_STATE; lvItem.stateMask = LVIS_SELECTED; lvItem.state = LVIS_SELECTED; IntPtr point...more >>

I am using forms databinding to show an image in the database in a pictureBox. To do this I am handling the Format event to convert the byte [] to a bitmap: Binding bind = new System.Windows.Forms.Binding("Image", this.dataSet1, "Employee.Image"); bind.Format += new ConvertEventHandler...more >>

I have create a form that is databound to a dataset. I am able to move through the dataset by using the BindingManagerBase.Position. However, I need to be able to jump to a specific row in my dataset. I am finding the desired row in the dataset by using the Find Method in the DataRowCol...more >>

Hi all, Working with dataset and datagrid in disconnected mode may improve scalability. However, this means that multi clients instances are viewing 'out of date' local copies if changes were made by someone else to back end database. In situation where I need a datagrid to auto refresh,...more >>

Hello, We want to learn about your interest in building windows applications using declarative or markup-based programming techniques. Microsoft will enable some of these technologies as part of Longhorn/Avalon, but is less focused on bringing these new ideas to Windows Forms developers, and ...more >>

Dear all, when I fill my dataset the datagrid doesn't reflect these changes. Here's the scenario - add new form - add datagrid to form - add dataset to form - bind datagrid to dataset (using datagrid properties) - next code is generated in InitializeComponent() -> dataset is created, d...more >>

Hi I've got some problem doing double buffer. Here is my problem: I've got custom control on which i paint some data (chat messages, lets call it ChatControl), this control is puted on a scrollable panel. Of course i've set right styles on a ChatControl: //styles this.SetStyle(Control...more >>

Hi I have a XML File and a Dataset <?xml version="1.0" standalone="yes"?> <Tank xmlns="http://www.tempuri.org/Tank.xsd"> <Tank> <TankName>Tank One</TankName> <TankLocation>Lounge Room</TankLocation> <TankSize>140 Litres / 40 Gallons</TankSize> <TankContents>FOWLR (Reef Tan...more >>

I have some C# code that runs via the VSAEngine under a host program. There is a situation where the host program will display a dialog that will stop execution of my code. There is no API available to me to prevent this. Is there a way by either looking at windows messages or a hook, that I ...more >>

Is there a table control i can use in Windows Form? ...more >>

Windows Forms App Gurus, I have a toolbar on a form. Some of the buttons have images on them. Buttons with images have a blue line that is like a focus indicator at the bottom edge of the image (all toolbarbuttons with images have this). I can't figure out how to get this turned off. Tri...more >>

Hi, I am using Windows 2003 Server. The VPN works fine, but I want to FTP through the VPN so the connection is encrypted. The problem is each of my IIS sites has a real Internet address specified, w.x.y.z. So when the VPN comes up using a private IP, I can't connect to any of the FTP sites u...more >>

Hi All, I have created a simple form that displays a simple message. But the message cant seem to be displayed? Any reason why? Below is my code. private void Form1_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e) { if(e.KeyCode == Keys.F5) { MessageB...more >>

I have made a little app that accepts drag and drop from all sources but when I drop a Outlook Email the FileContents is always null. Is there any Microsoft documentation on how to correctly access the .msg using drag and drop from outlook? BRGDS Martin ...more >>

I'm trying to write a url as a hyperlink in the Eventlog, does anyone know if this is possible ?? I have found the following site that confirms this can be done, but he doesn't say how !!! http://www.codeproject.com/dotnet/evtvwr.asp ...more >>

hi am using panel with autoscroll , now i want to call window api BOOL GetScrollInfo(HWND hwnd, int fnBar, LPSCROLLINFO lpsi)); now am doing like tht unsafe public static extern bool GetScrollInfo(uint hwnd,uint SB_HORZ, SCROLLINFO* si ); but it causes a problem in lasst parameter , pls ...more >>

Hello, I have seen alot of issues regarding controls not appearing in the "My User Controls" tab. My problem is that this tab is not shown at all. My colleuges got this tab when installing VS, but I did not. I have tried to create one myself but no controls are added (yes, I have created the c...more >>