'APIの宣言です。WINNT4.0では使用できない Private Declare Function FlashWindowEx Lib "user32.dll" _ (ByRef pfwi As FLASHINFO) As Integer
Private Sub Button1_Click(ByVal sender As System.Object, _ ByVal e As System.EventArgs) Handles Button1.Click Dim flashinfo As FLASHINFO With flashinfo .cbsize = Marshal.SizeOf(flashinfo) .hwnd = Me.Handle .dwFlags = FLASH_ALL