reverseCurve

[463017170]

static void  MyGroupMyCommand() {
	ads_name ss;
	resbuf* rbList = acutBuildList(RTDXF0, _T("LWPOLYLINE,ARC,SPLINE"), RTNONE);
	int stat = acedSSGet(NULL, NULL, NULL, rbList, ss);
	if (rbList)
		acutRelRb(rbList);
	if (RTNORM != stat)
		return;
	Adesk::Int32 nSSLength = 0;
	acedSSLength(ss, &nSSLength);
	AcDbEntity *pEnt = NULL;
	for (Adesk::Int32 i = 0; i < nSSLength; i++)
	{
		ads_name ent;
		acedSSName(ss, i, ent);
		AcDbObjectId objId;
		acdbGetObjectId(objId, ent);

		Acad::ErrorStatus es = acdbOpenObject(pEnt, objId, AcDb::kForRead);
		if (es != Acad::eOk)
			return;
		if (pEnt->isKindOf(AcDbCurve::desc()))
		{
			double startParam, endParam;
			AcGePoint3d  Ptstart,Ptend;
			AcDbCurve *pCurve = AcDbCurve::cast(pEnt);
			 pCurve->reverseCurve();
			 pCurve->close();
		}
		pEnt->close();
	}
	acedSSFree(ss);
}

[tbrammer · Accepted solution]

A formulated question would be helpful 😉.

However: You only opened the curve kForRead. So you can't modify it with reverseCurve().

Use es = curve->upgradeOpen() and check that es==Acad:.eOk.

[463017170]

The details are wrong again! Thank you very much！