public void TestHandleClearButtonClicked()
 {
     _drawingPresentationModel.HandleClearButtonClicked();
     Assert.IsTrue(_buttonEnabledStatesManager.IsCalledHandleClearButtonClicked);
 }
 /// <summary>
 /// Handles the clear button clicked.
 /// </summary>
 private void HandleClearButtonClicked(object sender, EventArgs eventArguments)
 {
     _drawingPresentationModel.HandleClearButtonClicked();
     _model.ClearCanvas();
 }