private void canvasPictureBox_MouseDown(object sender, MouseEventArgs e)
{
if (!_dragging)
{
// Saev starting point, convert to rect
_startingX = e.X;
_startingY = e.Y;
Rectangle rectangle = new Rectangle(e.X, e.Y, 0, 0);
// create current shape
switch (shapeComboBox.Text)
{
case "Ellipse":
_draggingCurrentShape = new Ellipse(rectangle, _shapeColor, filledCheckBox.Checked);
break;
case "Rectangle":
_draggingCurrentShape = new Rctngle(rectangle, _shapeColor, filledCheckBox.Checked);
break;
case "Line":
_draggingCurrentShape = new Lne(e.X, e.Y, rectangle, _shapeColor);
break;
}
//indicate we're drawing rubber-banding
_dragging = true;
}
}
// add dis shape
public int Add(Shape shape)
{
// Create or resize our shape didly apes
if (_shapes == null) { _shapes = new Shape[1]; }
else { Array.Resize(ref _shapes, _shapes.Length + 1); }
_shapes[_shapes.Length - 1] = shape;
return _shapes.Length;
}