//draw shapes
public void HandleCanvasPaint(object sender, System.Windows.Forms.PaintEventArgs e)
{
_presentationModel.Draw(e.Graphics);
}
/// <summary> Handles the canvas paint. </summary>
///
/// <param name="sender"> Source of the event. </param>
/// <param name="e"> Paint event information. </param>
private void HandleCanvasPaint(object sender, PaintEventArgs e)
{
_presentationModel.Draw(e.Graphics);
}
// 畫圖
public void HandleCanvasPaint(object sender, PaintEventArgs e)
{
_presentationModel.Draw(new WindowsFormsGraphicsAdaptor(e.Graphics));
}