README.md

December 4, 2022 ยท View on GitHub

Instance Checker

Description

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!

More Info

Submitted On
ByTyler Badger
LevelBeginner
User Rating3.6 (18 globes from 5 users)
CompatibilityVB 6.0
CategoryCoding Standards
WorldVisual Basic
Archive File

Source Code

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