Instance Checker
This simple few lines of code will give the user and error message if they are already running your program. Doesn't apply if you are in the ide!
AI
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كود المصدر
Private Sub Form_Load() ' the form1 loading sub If App.PrevInstance Then ' check if running MsgBox "Error:" & vbCrLf & "Please switch to your already running app." ' error message Dim frm As Form ' set frm variable as a form For Each frm In Forms ' get all forms Unload frm ' unload the form Set frm = Nothing ' set frm variable as nothing Next frm ' go to the for each frm again End If ' end the if statement End Sub ' end the form load
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