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发表于 2011-1-26 14:34:00
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拾取一点和拾取另一点时, 实现线段跟随的效果, 实现右键,空格,ESC都可以退出效果
public static PromptPointResult SelectOtherPt(string strMsg, Point3d pt)
{
Document doc = Application.DocumentManager.MdiActiveDocument;
Editor ed = doc.Editor;
PromptPointOptions prpointoptions = new PromptPointOptions(strMsg);
prpointoptions.BasePoint = pt; //
prpointoptions.UseBasePoint = true; //可实现线段跟随的效果
prpointoptions.AllowNone = true; //右键,空格,ESC都可以退出
PromptPointResult prPointRes = ed.GetPoint(prpointoptions);
return prPointRes;
}
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