Vla-get-extline1startpoint

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構文: (vla-get-extline1startpoint vla-object)

機能: 角度寸法の第１寸法補助線の始点を取得する。

引数

vla-object … VLAオブジェクト

戻り値: 第１寸法補助線の始点の 3D 座標

サンプル

(vl-load-com)
(defun c:Example_ExtLine1-2StartPoint()
    ;; 角度寸法を作成して ExtLine1StartPoint ExtLine2StartPoint 
    ;; の場所を変更するサンプル。
    (setq acadObj (vlax-get-acad-object))
    (setq doc (vla-get-ActiveDocument acadObj))
    
    ;; 寸法を作成
    (setq AngleVertex (vlax-3d-point 0 5 0)
          FirstPoint (vlax-3d-point 1 7 0)
          SecondPoint (vlax-3d-point 1 3 0)
          TextPoint (vlax-3d-point 3 5 0))

    ;; モデル空間に角度寸法を作成。
    (setq modelSpace (vla-get-ModelSpace doc))  
    (setq dimObj (vla-AddDimAngular modelSpace AngleVertex FirstPoint SecondPoint TextPoint))
    (vla-ZoomAll acadObj)

    (setq extLineStartPoint1 (vlax-safearray->list (vlax-variant-value (vla-get-ExtLine1StartPoint dimObj))))
    (setq extLineStartPoint2 (vlax-safearray->list (vlax-variant-value (vla-get-ExtLine2StartPoint dimObj))))
    (alert (strcat "現在の ExtLine1StartPoint 値 " 
                   (rtos (nth 0 extLineStartPoint1) 2) ", "
                   (rtos (nth 1 extLineStartPoint1) 2) ", "
                   (rtos (nth 2 extLineStartPoint1) 2)))
    (alert (strcat "現在の ExtLine2StartPoint 値 " 
                   (rtos (nth 0 extLineStartPoint2) 2) ", "
                   (rtos (nth 1 extLineStartPoint2) 2) ", "
                   (rtos (nth 2 extLineStartPoint2) 2)))
    
    ;; 補助線１，２の始点を変更
    (setq FirstPoint (vlax-3d-point 0 3 0))
    (setq SecondPoint (vlax-3d-point 2 6 0))
    (vla-put-ExtLine1StartPoint dimObj FirstPoint)
    (vla-put-ExtLine2StartPoint dimObj SecondPoint)
    (vla-Update dimObj)
    
    ;; 補助線１，２を返す
    ;; 返り値はバリアントな点に注意
    (setq retPnt1 (vlax-safearray->list (vlax-variant-value (vla-get-ExtLine1StartPoint dimObj))))
    (setq retPnt2 (vlax-safearray->list (vlax-variant-value (vla-get-ExtLine2StartPoint dimObj))))
    (alert (strcat "新しい ExtLine1StartPoint 値 " 
                    (rtos (nth 0 retPnt1) 2) ", "
                    (rtos (nth 1 retPnt1) 2) ", "
                    (rtos (nth 2 retPnt1) 2)))
    (alert (strcat "新しい ExtLine2StartPoint 値 " 
                    (rtos (nth 0 retPnt2) 2) ", "
                    (rtos (nth 1 retPnt2) 2) ", "
                    (rtos (nth 2 retPnt2) 2)))
)