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Close Any Application

This code will Close any application based on its windows caption

API Declarations
Declare Function FindWindow Lib "user32" Alias "FindWindowA" (ByVal lpClassName As String, ByVal lpWindowName As String) As Long
Declare Function PostMessage Lib "user32" Alias "PostMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long
Public Const WM_CLOSE = &H10


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Public Function CloseApplication(byVal sAppCaption As String) As Boolean
  Dim lHwnd As Long
  Dim lRetVal As Long
  
  lHwnd = FindWindow(vbNullString, sAppCaption)
  If lHwnd <> 0 Then
    lRetVal = PostMessage(lHwnd, WM_CLOSE, 0&, 0&)
  End If
End Function