private void ActivateMainWindow()
{
var mainWindow = new MainWindow();
// registers a callback to intercept WM_SHOWFIRSTINSTANCE messages so that when a second
// instance broadcasts that message, original instance will be able to receive it and respond
// by activating itself and making sure it isn't hidden.
mainWindow.SourceInitialized += ( sender, e ) =>
{
HwndSource source = HwndSource.FromHwnd( new WindowInteropHelper( mainWindow ).Handle );
source.AddHook( new HwndSourceHook( ShowFirstInstanceWinHook ) );
};
mainWindow.Show();
}
/// <summary>
/// Initializing constructor
/// </summary>
/// <param name="parent">Reference to the parent window</param>
public MainWindowResizer( MainWindow parent )
{
_parent = parent;
// Parent window starts off being auto-sized based on its content. We must make this call
// in order to enable resizing of the parent. However, we want to change the attribute only
// after the window initialization is complete. Otherwise, instead of the center of the
// screen, the window shows up in the corner.
_parent.Dispatcher.BeginInvoke( new Action( () =>
{
SetManualSizingOnParent();
} ) );
ResizeBarControl resizer = (ResizeBarControl)_parent.FindName( "Resizer" );
resizer.Resize += OnResize;
resizer.ResizeComplete += OnResizeComplete;
_siteCellSize = CalculateSiteCellSize();
}