Mouse Hook

در سیستم 64 بیت

Public Function LowLevelMouseProc(ByVal nCode As Long, ByVal wParam As LongPtr, ByVal lParam As LongPtr) As LongPtr

If nCode > 0 Then

    Select Case wParam

         Case WM_NCDESTROY, WM_DESTROY

             UnhookWindowsHookEx hhk

         Case WM_RBUTTONDOWN, WM_RBUTTONUP

           LowLevelMouseProc = 1

        Exit Function

         Case Else

          ( LowLevelMouseProc = CallNextHookEx(hhk, nCode, wParam, lParam

     End Select

 End If

CallNextHookEx hhk, nCode, wParam, lParam

End Function

set-a-mouse-hook-with-win32api

ویندوزمسیج( ScrollBar ) حرکت اسکرول در واحد Unit

SendMessageA HandleWindow,WindowseMessage,Wparam(ScrollBar

Constants),lparam:Null