/**
* <summary>
* Draws a filled disc at a given position.
* <para>
* </para>
* </summary>
* <param name="x">
* the distance from left of layer to the center of the disc, in pixels
* </param>
* <param name="y">
* the distance from top of layer to the center of the disc, in pixels
* </param>
* <param name="r">
* the radius of the disc, in pixels
* </param>
* <returns>
* <c>0</c> if the call succeeds.
* </returns>
* <para>
* On failure, throws an exception or returns a negative error code.
* </para>
*/
public virtual int drawDisc(int x, int y, int r)
{
return(_objptr.drawDisc(x, y, r));
}
