public void SetRotateCenter(double trd)
{
pf_UpdateMatrix(delegate(Matrix tmtr)
{
double tyrd = RxGeom.GetRadian1(tmtr);
double tnrd = RxGeom.CheckRadian(trd);
if (tnrd != tyrd)
{
double tcx = RxGeom.GetLeftCenter(_rctBounds);
double tcy = RxGeom.GetTopCenter(_rctBounds);
tmtr.Translate(-tcx, -tcy);
tmtr.Rotate(-RxGeom.GetRadianToAngle(tyrd));
tmtr.Rotate(RxGeom.GetRadianToAngle(tnrd));
tmtr.Translate(tcx, tcy);
}
return(tmtr);
});
}
