Leverage the improved Shell function [ All Languages » VB.net »  Language] Total Hit ( 2996) Rate this article:     Poor     Excellent   Submit Your Question/Comment about this article Rating

The version of the Shell function included in VB.NET expands on the original version and supports an additional argument that enables you to specify whether to wait until the shelled program terminates, with an optional timeout. This solves an old problem known to many Visual Basic developers without your having to resort to Windows API functions: Click here to copy the following block ' Run Notepad.exe and wait until the user terminates it. Shell("notepad", AppWinStyle.NormalFocus, True) ' Run Notepad, then wait max 10 seconds. Dim taskID As Long taskId = Shell("notepad", AppWinStyle.NormalFocus, True, 10000) If taskID = 0 Then   Console.WriteLine("Notepad has been closed within 10 seconds.") Else   Console.WriteLine("Notepad is still running after 10 seconds.") End If

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