Kod:
Public Declare Function SendMessageString Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, ByVal lParam As String) As Long
Public Const WM_SETTEXT As Long = &HC
'get your hWnd, then do this
SendMessageString hWnd, WM_SETTEXT, 0, strString
