VB.NET

SendKeys
I read that SendKeys should not be used because if the user changes focus at the time the sendkeys sends the key(s), they could be redirected to another application or window. This is the same or keybd_Event and it was suggested to use the API SendInput. I use SendKeys.SendWait(). Should I change to use the ... 28 Sep 2005 20:10

Loading PictureBox images using OpenFileDialog
If I load a PictureBox image from an embedded resource within my application it works fine but if I load the same image from a file using OpenFileDialog (as an ImageStream or using the file name) the background color is not masked out. Any ideas? ... 26 Sep 2005 21:21

Help with startup form.....
I'm using VB.Net 2005 beta 2 and have my login form (login.vb) specified as the startup form. If the user is successful logging in, I call my main form (main.vb). This all works fine but the problem is that the login form stays open. I put a me.close (in the login form) after opening the main form but that s... 27 Sep 2005 07:05

Newbie Question - Updating OLE Tables
This should be soooo simple but I just can't figure it out. All I want to do is open an Excel spreadsheet, update it and write back out again! For some reason though I can't get the update command to work. I've tried using commandbuilder, that failed because the update command doesn't return key column information... 26 Sep 2005 05:45

GetLongPathNameA
This function refuses to return the long path name when called on Windows 2000 Professional. It does not return an error value or raise an exception, it just does nothing. <DllImport("kernel32")> _ Private Shared Function GetLongPathNameA(<MarshalAs(UnmanagedType.LPStr)> ByVal ShortPath As String, <MarshalAs... 28 Sep 2005 07:00

Combobox
Hi I'm using this code to display the selected item in msgbox Dim ob As Object ob = cmbCategory.SelectedItem MsgBox(ob.ToString()) but all what I see is "System.Data.DataRowView", and the same result with cmbCategory.Text . thanks -- Regads, Rochdi ... 25 Sep 2005 08:38

Database Login for Crystal reports
Hi All I am new to .net, as i worked majorily on VB6.0 & Crystal reports, I have developed an Window application in VB.net/SQL Server2000 and using Crystal reports8.5, I have used the CRViewer in the form. Now my problem is when i try to open Crystal report thro VB.net, it will prompt for database login password,... 11 Oct 2005 07:35

How to check if a file is open
My application creates some temporary files that are deleted when my application terminates. However, if a temp file is open, it will not be deleted and application will crash. How can I check if a file is open before deleting it Something like this If File(fileName).IsOpen then File(fileName).Close ... 7 Oct 2005 15:00

Determining angle
I'm programming in vb .Net and i need to know how to determine angles. For example i have a figure like the following: | | | ------------------ | | | and i need to determine the left, inferior angle. How can i do that? ... 22 Sep 2005 09:39

msgbox
hi, i am new to vb.net.... i want to call a messagebox wich hast a "YES" and "NO" button. but if the user is pressing non of them, the message box should automatically press "NO" after n seconds and close. kind regards ... 22 Sep 2005 08:06