by steve0 (1 Submission)
Category: Windows API Call/Explanation
Difficulty: Beginner
Date Added: Wed 3rd February 2021
Rating: 
(3 Votes)
Example of FindWindowEx and SendMessage
VBcodersOption
Explicit
'
Private Declare Function FindWindowEx Lib "user32"
Alias "FindWindowExA" ( _
ByVal hWnd1 As Long, _
ByVal hWnd2 As Long, _
ByVal lpsz1 As String, _
ByVal lpsz2 As String _
) As Long
'
Private Declare Function SendMessage Lib "user32"
Alias "SendMessageA" ( _
ByVal hwnd As Long, _
ByVal wMsg As Long, _
ByVal wParam As Long,
_
lParam As Any _
) As Long
'
Const WM_SETTEXT As Long = &HC
'
Public Sub ChangeSB(sNewText As String)
'
Dim hWnd_ As
Long
'
hWnd_ = FindWindowEx(0&, 0&, "Shell_TrayWnd",
vbNullString)
'
If (hWnd_ > 0) Then
'
hWnd_ =
FindWindowEx(hWnd_, 0&, "Button", vbNullString)
'
If (hWnd_ >
0) Then
'
SendMessage hWnd_, WM_SETTEXT, 0&, ByVal sNewText
'
End If
'
End If
'
End Sub
