by Alex (11 Submissions)
Category: Windows API Call/Explanation
Compatability: Visual Basic 3.0
Difficulty: Unknown Difficulty
Date Added: Wed 3rd February 2021
Rating: 
(7 Votes)
This code will Close any application based on its windows caption
API DeclarationsDeclare 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
VBcoders
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
