/// <summary>
/// The on exit command.
/// </summary>
/// <param name="value">
/// The value.
/// </param>
public async void OnExitCommand(object value)
{
IDiagramBuilderVM viewModel = this.DataContext as IDiagramBuilderVM;
await viewModel.PrepareExit();
this.Exit = null;
}
public async void OnExitCommand(object param)
{
IDiagramBuilderVM viewModel = this.DataContext as IDiagramBuilderVM;
await viewModel.PrepareExit();
Exit = null;
Frame.GoBack();
}