VON
宣告
Declare Function PostMessage Lib "user32" Alias "PostMessageA" (ByVal hwnd As IntPtr, ByVal wMsg As IntPtr, ByVal wParam As IntPtr, ByVal lParam As IntPtr) As IntPtr
PostMessage與SendMessage不同的地方是PostMessage會直接把訊息丟給該視窗的訊息佇列,不等訊息回應。
VON
宣告
Declare Function PostMessage Lib "user32" Alias "PostMessageA" (ByVal hwnd As IntPtr, ByVal wMsg As IntPtr, ByVal wParam As IntPtr, ByVal lParam As IntPtr) As IntPtr