I have just found that there is a feature in VS .NET which deliberately stops me making a DGV "protected" in an ancestor class and then modifying its properties in inherited classes. I can see why this problematic for MS and therefore why it has not been implemented. However, I could do with...more >>

I am working with MS Visual C++ .net 2003. With your help, thank you, I am able to take data from the user through a text box of a form and show the information on label of another form. But I discovered that the data that I collected was not in such a format by which I can do simple a...more >>

Hi I have a datagrid in a form. An update button on the form upon clicking gives another form which should show all the records of the selected rows from the datagrid. These selected rows would then be updated. Could someone kind enough to provide sample code or ropes showing how to impleme...more >>

Hi: I just took over support for a WinForms application. While trying to navigate a class file, IDE stalls making it very difficult to move without constantly waiting. It's like file is too large for IDE and it's running out of memory. File is 98KB (about 2000 lines of code). Is this pa...more >>

When you drag out of a Winforms app and drop it onto explorer, is there a way -- perhaps using IDataObject -- to figure out what directory was dropped to? I want to handle all the file i/o from my app, rather than populating a DataObject... Basically, dropping the actual files th...more >>

Hi all, I got stuck up in a situation where I needs to open up a chatbox form for a particular user in the messenger application. All this is fine until, I dont open up the chatbox for another user in the messenger. I have to open only one instance of a form for a particular user , simult...more >>

Hi I am publishing a vb.net app to a remote ftp/web site. This seems to go successfully. Once I try to install the app by using the url http://www.mydomain.com/publish.htm and pressing the Run button, I get the '(407) Proxy Authentication Required error' and application install fails. Wha...more >>

Hi, How can I pick up root to folder via sth like SHBrowseForFolder() or CFileDialog in mfc? I cant implement it in windows application, but in mfc it works:/ I'd like to start doing my project in WF because I found it easier, am I right? Now im starting to think if its true;) I write in c++ ...more >>

Hi all, I want to set up a ComboBox that will add all its items whenever a user clicks on the ComboBox. I've tried doing it on the MouseDown or OnClick events - but that seems too late. For example, if the ComboBox previously had one item and then it ends up with two items when the user clicks...more >>

I have a Windows.Forms application in .Net 2.0 that has a Settings class. In the main form, I can access the setting named LastAttributeList like this: Properties.Settings.Default.LastAttributeList In another form in the same application, when I try to access that same setting, the v...more >>

Apologies if this is easy and I'm missing something! I have a collection of User Controls (all inherited from the same root). I have a form on which one of the controls is the user control ancestor (which is great at design-time because I get all the Intellisense and so on). However, at r...more >>

I'm a new bie to cab...need some info on displaying a new child window using CAB... My requirement is to show a new form if I click on teh File menu option on the Main Windows form.. So,I've created a shell with File -> New menu option...but and registered a click event with the New men...more >>

Hi, Could you please suggest me some changes? I've got the following code, which represents the small component with = collection property: class Test : Component { private BindingList<Item> items =3D new BindingList<Item>(); =20 [Editor(typeof(CollectionEditor), typeof...more >>

I have a requirement to create what is basically a checked list box. Unfortunately neither the CheckedListBox or a DataGridView do exactly what I need. The reason for this is that I need the ability to enable/disable individual checkboxes in the list. This feature is not there at all on the ...more >>

I would like to create a log file for my Windows forms app that logs all user activity to help with debugging unhandled exceptions. I would like to do this with a simple StreamWriter or TextWriter object. Rather than define the object at the form level which would require me to pass the object f...more >>

Hi, I have a small client app which calls another application to do some processing. So I use the following: Process watcherProc = new Process(); watcherProc.StartInfo.FileName = @"C:\windows\system32\app2.exe"; watcherProc.Start(); This works fine as administrator but if another account tr...more >>

Dear, I'm currently working on a application which create reports on th fly, my question, after the user select a report (frmReportlist), the form (frmCrystalviewer) opens, a parameter popup is shown were the user select a certain criteria for the report. After creating the report, the fr...more >>

There are two classes 1) Key - contains some private variables, one method "Reset" and one event "valuesReset" which is raised by Reset method. 2) Keys - this class is collection of objects of class 'Key' and it is inherited with ReadOnlyCollection(Of key). I'm pasting the code here Clas...more >>

Hello, it's there a simple way how to place (more) toolStrips INSIDE = toolStripPanel, but NOT in a FLOW mode (which is standard), but simply = in that place where I move it? So, simply said, I need move toolStrips = freely inside toolStripPanel. Thank you much for answer ... Ondre...more >>

Hi, Does anyone know about any bugs or technique to 'reset' the code pages for debugging and stepping through. I am sure that VS is showing the yellow step through on the wrong line all the time. It seems to be ignoring a stop statement. Thanks Jared ...more >>

Hello, I want to display the running instances of SQL server in the drop-down list, allow the user to enter username/password, if successfully connected i want to display list of tables in another window. is there any .Net framework assembly which I can use to retrieve running instances ...more >>

The actual event I'm subscribing to is... AppDomain.CurrentDomain.UnhandledException += new UnhandledExceptionEventHandler(CurrentDomain_UnhandledException); not the threadexceptioin as I put in the earlier message -- Regards, Gary Blakely ...more >>

I'm trying to capture all unhandled exceptions in my Forms Application. First I subscribe to ThreadException ... public Form1() { InitializeComponent(); Application.ThreadException += new System.Threading.ThreadExceptionEventHandler(Application_ThreadE...more >>

I am developing a set of controls that must function inside of an application that loads them through COM interop (I don't believe that makes a difference). The application is designed to always handled the "Enter" key. One of my controls is a text box which needs to allow the user multiline ...more >>

I populate BindinSource with this collection: ================= public class PreliminaryPickupRequest { private string shipper; public string Shipper { get { return shipper; } set { shipper = value; } } private Terminal pickupTerminal; public Termi...more >>

Hi all, environment : windows 2003 using remote desktop, .netf framework 1.1 using VB.net with Visual studio 2003 users log into the application over remotedesktop to windows 2003 server and access the application. the application lets the users send out emails of reports which have att...more >>

Hi, I have some code wich looks like so.. s1= "1.1.4" s2="1.1.4" if s1<>s2 then myfunc end if Problem, is myfunc is being called in "Release" mode on one particular developers machine, but above code work as expected in Debug mode or even in Release mode on entire different machin...more >>

I've created a RichTextBox DataGridView cell but the first character entered when the cell is in display mode is lost when the cell makes the transition to edit mode. What is the sequence of events that happens behind the scenes when: a) RichTextBox cell is displaying data and has focus. b) Use...more >>

In ASP.Net applications we are able to trap exceptions in the Application_Error Event in the Global.asax with the following code... System.Exception myException = new Server.GetLastError().InnerException. Where do I trap this in a Forms Application? -- Regards, Gary Blakely ...more >>

Hi I seek help to trap .net Datagridview cell keypress events. Thanks in advance. Raftar. ...more >>

I have a DGV on a form that is bound to a BindingSource, bound to a business object. The DGV has AutoGenerateColumns = False and I have created the columns I want in the designer. When I make any change to the code behind, even something innocuous like a new line, and then switch back to th...more >>

Hello, I have a small problem ; I have found an alternate solution but I don't like it. The problem is simple, let's take a form, a numericUpDown inside and a button that will show the value of the numericUpDown in a MessageBox (or elsewhere, whatever). Let's say you put '5' in the numeric...more >>

Hi, I'm designing a form and I'd like to know when a control has been edited. I know how to get around this, by putting code behind every control to see if theres a change and then set a flag, but thats a waste of time and a lot of code to write. I can see someone having a much more elegant...more >>

Hi, I'm designing a form and I'd like to know when a control has been edited. I know how to get around this, by putting code behind every control to see if theres a change and then set a flag, but thats a waste of time and a lot of code to write. I can see someone having a much more elegant...more >>

I must be doing something seriously weird as I can't find anything on what I need to do. I have a form that imports an Excel file into a dgv (to preview the data) I then want to export this into an existing table in a sql server database. I can't find anything to do this direct from the dgv. D...more >>

I'm now consistently having a problem (shortly after SP1), that, heretofore, only happened once in a while. Now, I bring up the code window in VB.Net 2005 - and I loose total control - I type in a letter or two (most of the time, it's only one), and the intellisense seems to think that's al...more >>

Hi everyone, I'm working on a program contains two "Windows Explorer" in one form which allows people to copy files from one to another. I searched in CodeProject and Google but only got some messages about how to make a fake "Windows Explorer", not embedding one into a winform. I also fou...more >>

Hello, I'm currently programming an application which is started replacing the userinit.exe. The code does the following. When the user logs on the application is creating a new desktop "newDesktop", then the original userinit is created at "newDesktop". So the shell uses "newDesktop" as it...more >>

From my application, informations can be sendt by the user. Until now I'm using Process.Start("mailto:....) This works very fine, but I get problems, when the preset content is to much, because the length of the URL is restricted. IIRC this also can be solved by MAPI, but I can't find any exa...more >>

Can anyone tell me do winforms have skins and themes like ASP.NET 2.0? If so, can you attach links to information on this subject? Thanks!...more >>

Hello. I need send some commands to other window. I did this before with VC++. So it work like this. I found this window (for example cacl.exe have text “Calculator”) then get handle of this window and then send some windows messages on this handle. My old code looks like this HWND hw...more >>

Hi, I have a DataGridView control where the user can resize the columns. The control is embedded inside a Panel. When clicking on and dragging the column seperator to the right of the rightmost column, I can make the column smaller when I move it to the left. If I try to move it to the righ...more >>

You can minimize the flicker using interop to suspend the painting (which is different than suspending the Layout events). Here is a FAQ link on this. http://www.syncfusion.com/faq/windowsforms/Search/637.aspx ======================= Clay Burch Syncfusion, Inc. ...more >>

Hi, I've got a flickering-problem when I try to add controls to a panel (with flow layout) at runtime. My code executes the following steps: public void BuildView() { ... // suspend layout to not perform layout each time an item is added mFlowLayoutPanel.SuspendLayout(); /...more >>

Hi all, I have a datagrid that doesnt allow the user to edit. When the user clicks a row, the whole row gets selected. I'd like it so that when the user has a row selected and presses enter, a new form is opened and passed data from the row. At the moment, when I press enter, I can get ...more >>

Hi all, An application I am woking on consist of a main form. On the main form there are several possible ways for the user to open a non-modal child forms to display even more information. The problem I am encountering is about loss of focus. Let's say here, that initialization of the chil...more >>

I have some clients who have users who reside outside of the company's network. The company is going to allow remote access through a VPN on the server for access to the SQL Server database. I want to have my forms app which will run on the client machine to automatically open the VPN when t...more >>

I want to detect and receive a event to my MDI window when the moves outside of the window.. I am unable to receive events. I know there is a case of sending a manual message (George Shepherd's Win FAQ) before opening Top Level windows or doing anything that take mouse focus away from the M...more >>

Hello. I have a question about OnPaint override. For example, if i have the following code in my inherited form class, private Brush _brush = Brushes.Black; private RectangleF _rect = new RectangleF(0,0,100,100); private int counter =0; protected override void OnPaint(PaintEventArgs e)...more >>

Hi, having a card reader attached to the PS/2 keyboard interface, I would like to filter the keyboard input, so that the input from the card reader does not reach the GUI controls. I tried setting KeyPreview=true on the form and catched all input with the KeyDown event. In order to detect, ...more >>