Drawing tools
    Use drawing tools to create custom objects to appear at runtime.
Use the drawing tools to draw free-form and one-dimensional objects including:
      
- Rectangles and squares
- Ovals and circles
- Lines
- Polylines and polygons
By default, each drawing object has a 
MouseDown event
 and MouseUp event
 to which you can add methods.To prevent a drawing from snapping to the grid as you draw, in  , clear
 , clear 
 
 Grid settings
Snap to grid
.Provide Feedback