Code:
Option Explicit
Private PrevWin2 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
Private Declare Function SetWindowLong Lib "user32" Alias "SetWindowLongA" (ByVal HWnd As Long, ByVal nIndex As Long, ByVal dwNewLong As Long) As Long
Private Declare Function CallWindowProc Lib "user32" Alias "CallWindowProcA" (ByVal lpPrevWndFunc As Long, ByVal HWnd As Long, ByVal Msg As Long, ByVal wParam As Long, ByVal lParam As Long) As Long
Private Const GWL_WNDPROC = (-4)
Public UsercontrolHandle As Long
Private Const WM_PAINT = &HF
Private Const WM_KEYDOWN = &H100
Private Const WM_CLOSE = &H10
Private Const WM_DESTROY = &H2
Private Function Proc2(ByVal HWnd As Long, ByVal Msg As Long, ByVal wParam As Long, ByVal lParam As Long) As Long
If Msg = WM_PAINT Then
SendMessage HWnd, WM_KEYDOWN, 1000, 0
'Debug.Print "hi"
ElseIf Msg = WM_DESTROY Then
Unhook2 HWnd
End If
Proc2 = CallWindowProc(PrevWin2, HWnd, Msg, wParam, lParam)
End Function
Public Sub Hook2(Handle As Long)
If PrevWin2 = 0 Then
PrevWin2 = SetWindowLong(Handle, GWL_WNDPROC, AddressOf Proc2)
End If
End Sub
Public Sub Unhook2(Handle As Long)
If PrevWin2 Then
Call SetWindowLong(Handle, GWL_WNDPROC, PrevWin2)
PrevWin2 = 0
End If
End Sub