فيجوال بيسك(كود تشغيل حافظة الشاشة)

Option Explicit
Private Const WM_SYSCOMMAND = &H112
Private Const SC_SCREENSAVE = &HF140&
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 Sub Command1_Click()
LaunchScreenSaver Me.hwnd
End Sub

Sub LaunchScreenSaver(pl_OwnerFormHwnd As Long)
Call SendMessage(pl_OwnerFormHwnd, WM_SYSCOMMAND, SC_SCREENSAVE, 0&)
End Sub