Visual Basic > Code Snippets sample source codes

Visual Basic Code > Active window title

Active window title

'active window title 
Private Declare Function GetForegroundWindow Lib "user32" () As Long
Private Declare Function GetWindowTextLength Lib "user32" Alias "GetWindowTextLengthA" (ByVal hwnd As Long) As Long
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 GetParent Lib "user32" (ByVal hwnd As Long) As Long


' Returns the title of the active window.
' if GetParent = true then the parent window is
' returned.
Public Function GetActiveWindowTitle(ByVal ReturnParent As Boolean) As String
Dim i As Long
Dim j As Long

i = GetForegroundWindow


If ReturnParent Then
Do While i <> 0
j = i
i = GetParent(i)
Loop

i = j
End If

GetActiveWindowTitle = GetWindowTitle(i)
End Function
Public Function GetWindowTitle(ByVal hwnd As Long) As String
Dim l As Long
Dim s As String

l = GetWindowTextLength(hwnd)
s = Space(l + 1)

GetWindowText hwnd, s, l + 1

GetWindowTitle = Left$(s, l)
End Function