How do you prevent a windows from being moved?

Take a look at this link. You might be interested in option #3. It will require you to wrap some native code, but should work. There’s also a comment at the bottom of the link that shows an easier way to do it. Taken from the comment (can’t take credit for it, but I’ll save you some searching):

protected override void WndProc(ref Message message)
{
    const int WM_SYSCOMMAND = 0x0112;
    const int SC_MOVE = 0xF010;

    switch(message.Msg)
    {
        case WM_SYSCOMMAND:
           int command = message.WParam.ToInt32() & 0xfff0;
           if (command == SC_MOVE)
              return;
           break;
    }

    base.WndProc(ref message);
}

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