private void pictureBoxSchemat_MouseDown(object sender, MouseEventArgs e)
{
ReferencePoint p = BitmapOperator.Instance.GetClickedOnPoint(e.Location);
if (p != null)
{
Point offset = ((Point)p).Substract(e.Location);
mover = new PointMover(offset, p);
}
}
private void pictureBoxSchemat_MouseUp(object sender, MouseEventArgs e)
{
mover = null;
}