private void addRectOnCanvas(Point start, Point end)
{
CanvasMain.Kernel.MouseDown(CanvasMain.TranslatePointForKernelImage(start));
CanvasMain.Kernel.MouseMove(CanvasMain.TranslatePointForKernelImage(end));
CanvasMain.Kernel.MouseUp(CanvasMain.TranslatePointForKernelImage(end));
}
