public void DisplayError(string msg)
{
_bgLayer.reset();
_bgLayer.selectGrayPen(255);
_bgLayer.drawBar(0, 0, _w, _h);
_bgLayer.selectColorPen(0);
_bgLayer.drawText(_w / 2, _h / 3, YDisplayLayer.ALIGN.CENTER, "ERROR !");
_bgLayer.drawText(_w / 2, _h * 2 / 3, YDisplayLayer.ALIGN.CENTER, msg);
}
/**
* <summary>
* Draws a filled rectangular bar at a specified position.
* <para>
* </para>
* </summary>
* <param name="x1">
* the distance from left of layer to the left border of the rectangle, in pixels
* </param>
* <param name="y1">
* the distance from top of layer to the top border of the rectangle, in pixels
* </param>
* <param name="x2">
* the distance from left of layer to the right border of the rectangle, in pixels
* </param>
* <param name="y2">
* the distance from top of layer to the bottom border of the rectangle, 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 drawBar(int x1, int y1, int x2, int y2)
{
return(_objptr.drawBar(x1, y1, x2, y2));
}
