[求助]Getpoint得到的点为空时如何处理?

lazybug

Dim Pt As ACAD_POINT 

Pt = ThisDrawing.Utility.GetPoint(, "指定插入点:")

当提示"指定插入点:"时,我点击右键退出,会在这一句出错.请问如何能做到,插入点为空时程序静默退出?(if (not pt) (vl-exit-with-error ""))

wyj7485

if err then exit sub