/// <summary>
/// Subscriber of the SizeChanged event of ImageCanvas UIElement.
/// </summary>
/// <param name="sender">ImageCanvas UIElement</param>
/// <param name="e">SizeChangedEventArgument containing the previous size and the new size.</param>
internal void OnImageCanvasSizeChanged(object sender, SizeChangedEventArgs e)
{
PclsMainWindowController.Notify("ImageCanvasSizeChanged", sender);
}
/// <summary>
/// Called when user clicks on "Delete Selected Image" button.
/// </summary>
internal void OnDeleteSelectedImage()
{
PclsMainWindowController.Notify("DeleteSelectedImage", null);
}