>Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click > Dim ProcID As Integer > ' Run Paint and open the picture ( you may assign the picture filename to a variable) > ProcID = Shell("C:\WINNT\system32\mspaint.exe c:\myPicture.bmp", AppWinStyle.NormalFocus) >End Sub >Hmmm, I think there may be better approaches similar to using ShellExecute. I also would like to open a file by the default application. What do you use for this?