Hi: Are there any classes in .NET for reading Windows Event Logs? I would like to build a WinForm to display entries in log. Thanks, Charlie ...more >>

In order to show the names of the objects added to the ComboBox I've set: sausageChooserCombo.ValueMember = "Name"; - but when I change the "Name"-property on the objects, the ComboBox does not update accordingly - it still shows the initial names... I've tried this: comboBox1.Refresh(); c...more >>

I have a Windows Forms application developed in .NET Framework 1.1 which has a Microsoft Web browser embedded in a Form and is using mshtml to do some changes on the loaded html file. One of the user gets the following error while running that form. "Could not load type mshtml.HTMLDocume...more >>

Hello VB Users, I am about ready to start working on a small VB.NET 2003 project for my company. I will be creating an MDI application that will using docking extensivily. So far, I was able to create a MDI application and then able to create a small form that would dock to the left si...more >>

Is there a way to determine if the closing event is happening because of a user click on the window Close-Box as opposed to because of other reasons like calls to the Form.Close() method?...more >>

If I have a Windows.Forms.ComboBox on a form and set the Text property to a value that's in the Items list, the ComboBox appears highlighted until the combobox losses focus through User action. Setting focus to the combobox and then to another control in code doesn't fix this problem. What's u...more >>

Hi, I'm testing an app in a virtual pc (Win 98 SE, framework 1.1 SP1), an i'm getting "a generic error occurred in gdi+" in screens where there's a groupbox or a datagrid. if i remove then, it works fine. The error messages are bellow. Is this a "real" error or is happening just because it'...more >>

I have the following invocation in my application: private delegate void InitializeDataDelegate(); /// <summary>Loads information from the database.</summary> public void InitializeData() { if(InvokeRequired) { Invoke(new InitializeData...more >>

I have several items displayed in a ComboBox. Only a subset of these items should be selectable, the others are for display purposes. What is the best way to handle this. Via an event or create a subclass to do it?...more >>

I have a simple experimental form with a few textboxes and a couple of buttons which move the BindingContext(..).Position up and down, and another button to Update the database. I can click through the records fine using the up/down buttons, but when I type a new value into one of the textboxe...more >>

Hello I'm programming with forms against a domain model, mainly using databinding to connect my business objects to my form controls. The domain object know when stuff has changed, so whenever the user moves out of a edited field, the model is marked as modified and I can use that to for...more >>

Hello, Can I use the ToolboxBitmap from the inherted Control to show up in my toolbox and if so how? Greetings Jean Paul ...more >>

Hi, This one is rather strange: I have a form that displays data in a number of controls. On OK button click event I retrieve the corresponding record from my typed DataSet: MyTypedSet.FirstTableRow row = (MyTypedSet.FirstTableRow) MyTypedSet.FirstTable.Select(filter)[0]; No problems h...more >>

I am trying to build (in the .NET IDE and using VB) an app that uses forms I am deriving from a base class which contains some functions declared as 'mustoverride' and the base class declared 'mustinherit'. The base class inherits windows.forms. I get an error message telling me that the desig...more >>

I create a MainMenu and set its text to &Admin. In VB6 this means Alt-A would execute the menu. It does execute the menu but when the form is first displayed, the "A" in Admin is not underlined. It does show up underlined after I use Alt-A once. Why is this? How do I get it to display with the...more >>

the following code has a valid string in Session("ScannedInvoicedDirectory") which is \\Machine1\c\InvoiceScans. In fact I can put that string into file explorer and it scans to the directory on the other machine sucessfully. but rootdi.exists is false. This code used to work. What could be...more >>

1) How can I make a Panel fire Key events? Neither overriding the OnKeyUp event nor somePanel.KeyUp += new KeyEventHandler(somePanel_KeyUp) seems to work. 2) What would be the procedure for doing this on a Control derived control? Thanks! - Peder -...more >>

Hi all, Some applications achieve a really nice look and feel in part because they have changed the bar at the very top of the form window. There appears to be a way to customise the whole bar and its buttons but I have no idea how its done. Can anyone point me in the right direction. Pe...more >>

hi to all i'm skumar i'm woking in VB.NET frame work i need to place a link to remote ftp page we have the following info URL: FTPUserID password: by using the above info i can acees the ftp page's souce code, but our need is to update the soucecode and upload it. is t...more >>

This is probably overly simple to fix, but I can't seem to find how. I have a form with a TabControl, and when the form loads, it puts the focus on the first tab by default. I want to put the focus on a text control ON the first tab, but I can't find where to do that. If I give the focus to th...more >>

I have a form that runs a batch task. (say every 15 minutes) When it is kicked off it connects to the DB and then runs through all of the things it is supposed to do. The length of time to complete these tasks is unknown in advance. If it finishes all of the tasks without error then the applic...more >>

Hi all I would be grateful if some one would tell me if there is a way to pass a parameter to the Load routine of a form as with New in a Class Roger Stenson ...more >>

Can someone explain to me why the following segment of code will not remove all rows from the datatable? My application is a Winforms front end connecting to an Access mdb back end. Public Sub ClearTable(ByVal pstrTableName As String) prpGetDataSet.Tables(pstrTableName).Clear() ...more >>

Hi, This is a strange and rare bug (feature?). This winforms application is working fine on 99% of the machines but not on mine and also once in the past a customer reported this strange behavior: when I start the application all texts from labels, buttons, prepopulated lists, etc. are mis...more >>

Hi all, In Whibdey, I have a form bound to one of my business object. This object has a collection of child object of another class. Does anyone know how to create a master-detail relation between this form and a grid in it which is bound to te dataconnector of the child class ? Hope i'...more >>

Is it possible to using connect to a SQL Server database on a shared hosted web account using sqlconnection objects? What would the connection string look like? Thanks....more >>

Hello, After 2 years i come back to DOT NET development, so it is a little bit hard in the beginning. Here is my problem : I have a table with a field whixh tells me if a person is a boy or a girl, it is a boolean (0 or 1). In my window application, i want to show a list of person, a...more >>

A while back, I saw a Microsoft presentation where the developer dropped a control onto a form and it displayed the contents of his Outlook inbox. Does anyone know whether this is a standard control or component, or whether it's available from a thrid party? Thanks. ...more >>

Hello, I want to swalow all mousclicks in a comboBox control. I created wy own 'public class roComboBox : System.Windows.Forms.ComboBox ' Created a property ReadOnly and call only the base events if the ReadOnly is false (see code beneath) but the mousclicks still pass. Is there such thing ...more >>

OK, here's a mystery for you guys. It's a bug, I'm sure, but my question is: is there a workaround? Set up a Double-click event handler for a ListBox. In that event handler, either close the form (this.Close()) or call another method that closes it, doesn't matter. You get an error: ...more >>

I’ve just found a minor bug in how the TabControl selects the SelectedTab after you remove a TabPage. The code from TabControl.ControlCollection.Remove is shown below (thanks Reflector!) notice that the SelectedIndex is always set even if a different TabPage was selected previously. For ...more >>

I'm trying to make a custom color dialog. At this point I've designed it as about 200 buttons on a form with different background colors. This works, but is somewhat slow. Now, the effect I'm trying to produce is the same as is used in most major text editing and drawing applications. If the...more >>

Dear group, I posted this question before but still don't have a clue why DrawImage _occasionally_ drops pixels. I don't want to be pushy but am under increasing time pressure to find a solution. So I hope you'll pardon me for trying again under a catchier subject line. I need to stretch a...more >>

Googles shows that this question has been asked a couple of times but every "answer" turns out to be a snappy "only an idiot would need that" rather than a real answer. I'd kinda like a real answer if there is one. question, in 3 parts: 1) Why is there a 32767 maximum width/height limit o...more >>

What I am looking for is the details on how Forms work internally in terms of threads that get created, message loops, etc. Here are the type of question(s) I am looking answer so I need info that would help: - How many message loops / threads get created in an application that has multi...more >>

Hello, I'm using the FontDialog to select a font and its size. When I return from the dialog, the size returned by fontDialog.Font.Size is always a bit off from the size I selected. For example when I select size 11, the size returned by the dialog is 11.25, when I select size 10 the returned si...more >>

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I am developing a Windows Forms application that is supposed to stay maximized and immovable all the time. Unfortunately, this approach: WindowState = FormWindowState::Maximized; MaximizeBox = false; does not work. While the first statement does maximize the window, the second one...more >>

I have a question and before everithing thanks for reading. I have a custon control in windows forms and i want to expose a property with enum values. i have three values and i want that property takes those values from the list. Can anybody help me in this topic? I'm kind of new in this topic o...more >>

We have a MdiParent that calls Show on a MdiChild. Inside the MdiChild Load Event handler, we do a database trip. The db trip causes a SqlClient.SqlException. Back in the MdiParent, we catch and handle the exception. This works when running in Debug mode from the IDE. The exception is c...more >>

I'm using a richtextbox to display formatted text. The problem is not the formatted text but getting the richtextbox to display the text properly. My program prints out messages to the user. I maintain all user messages in the richtextbox so the user can have a history of messages. When the ...more >>

I have a mnuNew_Click event that I am attempting to reset a forms textbox, checkbox and picturebox's. The attached code is an attempt to loop through the forms controls and reset them but I cannot find any option within the controls class to set the properties for the checkbox and the picture...more >>

I am trying to use a post script font on some lable controls and the font does not show up in the font list. What is the problem? It is an Adobe post script font (Rotis Semi Serif 55). Thanks!!!...more >>

Hi Is it possible to create a form, call Application.Run() to get the form working and processing messages, then Application.Exit() to stop it processing any messages and make it just hang around, then do some stuff, then Application.Run() again and carry on where I started? ...more >>

--------- I posted this on another newsgroup on MS as well, maybe I can get other opinions here as well --------- Hi, I posted on here before about using other characters than integers in a NumericUpDown control. The responses I got were pertaining to unmanaged code. My project is ...more >>

Hi, I'm having this little issue which i dont know how to fix properly. I have a button that instanciates a form, then it shows it normally (not modal), this opened form is owned by the main form, the problem is that I dont know how to check if it was previously openeded (the owned form). ...more >>

hi, I need to check if someone is really using workstation or not. As using i mean moving mouse, or clicking keyboard. There are a lot of "ergonomical helper" application (workrave for example) that will stop users work after several minutes of real work, that apps even know if you are realy ha...more >>

Can you suggest any most simplest way to fire events in vC# from any events. like: public event loadrecord() Private sub frmmaster_load(sender,e as eventargs)handles_ frmmaster.load raiseevent loadrecord() End Sub ...more >>

Hi all, I am making a call to a webservice asynchronously, but would still like to keep a WaitCursor on the screen until the service returns. Unfortunately, after the initial call made to BeginWebServiceMethod returns the cursor changes back to the Default cursor. I have tried setting both C...more >>

Hi all, Suppose I have a form, and a button, the form has these functions: private void button1_Click(object sender, System.EventArgs e) { Start(); } public void Start() { Graphics g = this.CreateGraphics(); g.DrawString("start!", new Font("Arial", 12, FontStyle.Regul...more >>

Is there a way to write a file from: Dim datafile As System.IO.Stream = Me.GetType().Assembly.GetManifestResourceStream("myassembly.filename.dbf") To a physical file on the hard drive like "C:\filename.dbf"? thanks in advance... Victor ...more >>

I have created a class B that contains 2 properties, which are both public. I have a user control A that has 2 different instances of this class (C and D). I've tagged it with the right attributes, but it's not showing the subproperties of the item. So in my property grid, I see C and D wi...more >>

i have this code: Dim O As System.Diagnostics.StackTrace = New System.Diagnostics.StackTrace(True) Dim F As System.Diagnostics.StackFrame F = O.GetFrame(7) Select Case F.GetMethod.Name.ToString Case "SendMessage", "RunDialog" 'close with me.close ...more >>

Hi All:), I have Form with BackgroundImage, in my form i have 20 controls(labels,buttons ...) But controls refreshing too slow(like flicker). thanks in advance ...more >>

In the old MFC days you could create a ListView with the LVS_OWNERDATA style and you would be asked to provide the item to be drawn as the list view needed it. This way you could have lots if items in the listview but none of them would exist as data in the list view. Any way to do this in ...more >>

Hi, the PrintDialog does not return the correct value for the Orientation of the page if it is first initialized to false. The following code demonstrates the problem: PrintDialog pdlg = new PrintDialog(); pdlg.PrinterSettings = new System.Drawing.Printing.PrinterSettings(); //...more >>

Do you get bored from linear progress bar. Here is my circular progress bar named "ProgressCircle" http://www.windowsforms.net/ControlGallery/ControlDetail.aspx?Control=624&tabindex=10 It is completely free and fully customizable. Please test and comment on it. ...more >>

How can i get the data within a cell on my datagrid when the user clicks on that cell? ...more >>

Hi, I tried to kill a thread by using the following: Thread t = Thread.CurrentThread; try { t.Abort(); t.Join() } catch(ThreadAbortException) { } Everything when I execute from VS.NET 2003, the thread will be aborted successfully. However when I tried to execute the program...more >>

Any ideas on how i can bold the text within a specific cell of a winforms datagrid?i have used DataGridColumnStyle for an entire column,however currently i need just the text of a specific cell to be bold?(The datasource of the datagrid is a datatable). Thanks ...more >>

Hello ! I would really appreciate some help I have been developing an application where is need to raise certian events on file change detected, I tried using the FileSystemWatcher Class to do this but the problem i face is there are 2 events raised so is there any other way out where i can de...more >>

I have 2 forms. The 1st form dynamically creates controls into a panel, and fills comboboxes from SQL statements. What I would like to do is copy that panel to a second form? I could run the same function that I use to create the panel on Form1, however I don't want to hit the database agai...more >>