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();
}