Winform 防止双击标题栏改变窗体大小 、移动窗体

protected override void WndProc(ref Message m)
{
//拦截双击标题栏、移动窗体的系统消息
if (m.Msg != 0xA3 && m.Msg != 0x0003 && m.WParam != (IntPtr)0xF012)
{
base.WndProc(ref m);
}
}

Protected Overrides Sub WndProc(ByRef m As Message)

'拦截双击标题栏、移动窗体的系统消息
If m.Msg <> Convert.ToInt32("0xA3", 16) And m.Msg <> Convert.ToInt32("0x0003", 16) And m.WParam <> CType(Convert.ToInt32("0xF012", 16), IntPtr) Then
MyBase.WndProc(m)
End If

End Sub