protected override void OnClosing(CancelEventArgs e)
{
base.OnClosing(e);
// persist the window placement details to the user settings.
WINDOWPLACEMENT wp = new WINDOWPLACEMENT();
IntPtr hwnd = new WindowInteropHelper(this).Handle;
Win32.GetWindowPlacement(hwnd, out wp);
Properties.Settings.Default.MainWindowPlacement = wp;
Properties.Settings.Default.Save();
}
public static extern bool GetWindowPlacement(IntPtr hWnd, out WINDOWPLACEMENT lpwndpl);