public void RemoveTransientSelection()
{
// Removal is performed by setting to null
Transient.CapturedDrawable = null;
// Erase the transient graphics and dispose of the transient
if (_st != null)
{
TransientManager.CurrentTransientManager.EraseTransient(
_st,
new IntegerCollection()
);
_st.Dispose();
_st = null;
}
// And dispose of our line
if (_ln != null)
{
_ln.Dispose();
_ln = null;
}
}
public void TransientSelection()
{
// Create a line and pass it to the SelectableTransient
// This makes cleaning up much more straightforward
_ln = new Line(Point3d.Origin, new Point3d(10, 10, 0));
_st = new SelectableTransient(_ln);
// Tell AutoCAD to call into this transient's extended
// protocol when appropriate
Transient.CapturedDrawable = _st;
// Go ahead and draw the transient
TransientManager.CurrentTransientManager.AddTransient(
_st, TransientDrawingMode.DirectShortTerm,
128, new IntegerCollection()
);
}