wpf-notifyicon/Source/Sample Project/Commands/HideSampleWindowCommand.cs

using System.Windows;
using System.Windows.Input;

namespace Samples.Commands
{
  /// <summary>
  /// Hides the main window.
  /// </summary>
  public class HideSampleWindowCommand : CommandBase<HideSampleWindowCommand>
  {

    public override void Execute(object parameter)
    {
      GetTaskbarWindow(parameter).Hide();
      CommandManager.InvalidateRequerySuggested();
    }


    public override bool CanExecute(object parameter)
    {
      Window win = GetTaskbarWindow(parameter);
      return win != null && win.IsVisible;
    }


  }
}