private void pbMain_MouseDown(object sender, MouseEventArgs e)
{
if (e.Clicks != 1)
{
return;
}
switch (_drawMode)
{
case DrawMode.Undefined:
case DrawMode.DragAndDrop:
{
if (_currentShapeFactory != null)
{
_lastShape = _currentShapeFactory.GetShape(_currentPen, _currentBrush);
_lastShape.SetPostition(e.Location);
_drawMode = _lastShape.DrawMode();
_history.Add(_lastShape);
UpdateUndoRedo();
pbMain.Invalidate();
}
break;
}
case DrawMode.ByPoint:
{
if (_lastShape != null)
{
_lastShape.AddPoint(e.Location);
_drawMode = _lastShape.DrawMode();
pbMain.Invalidate();
}
break;
}
}
}