Get the window which has got focus using GetFocus API

by Karthikeyan (187 Submissions)
Category: Windows API Call/Explanation
Compatability: Visual Basic 5.0
Difficulty: Unknown Difficulty
Originally Published: Sat 17^th February 2001
Date Added: Mon 8^th February 2021
Rating: (1 Votes)

API Declarations
Private Declare Function GetWindowText Lib "user32" Alias "GetWindowTextA" (ByVal hwnd As Long, ByVal lpString As String, ByVal cch As Long) As Long Private Declare Function GetWindowTextLength Lib "user32" Alias "GetWindowTextLengthA" (ByVal hwnd As Long) As Long

Rate Get the window which has got focus using GetFocus API



Private Sub Timer1_Timer()
Dim wnd As Long, wntxt As String, txtlen As Long
wnd = GetFocus()
txtlen = GetWindowTextLength(wnd) + 1
wntxt = Space(txtlen)
txtlen = GetWindowText(wnd, wntxt, txtlen)
Label1.Caption = Left(wntxt, txtlen) & " has the focus now."
End Sub
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