[C++ MSCE］ 创建尺寸标注

有呀。我记得前两天刚在论坛里贴出来一个关联标注的C++代码样例，你先找一下。

难道我搜索的问题？ 我没搜到  只有搜到C#的。。

这个社区的搜索功能确实不怎么好用。我再次贴出源代码如下供参考：

class DimensionProperty : public IDimCreateData
{
private:
	DimensionStylePtr m_dimstyle;
	DgnTextStylePtr m_textStyle;
	Symbology m_symbology;
	LevelId m_levelId;
	DirectionFormatterPtr m_directionFormatter;
	RotMatrix m_rot1;
	RotMatrix m_rot2;

public:
	DimensionProperty(DimensionStylePtr dimstyle, DgnTextStylePtr textstyle, Symbology symb, LevelId levelId, DirectionFormatterPtr formatter, RotMatrix  rot1, RotMatrix rot2)
	{
		m_dimstyle = dimstyle;
		m_textStyle = textstyle;
		m_symbology = symb;
		m_levelId = levelId;
		m_directionFormatter = formatter;
		m_rot1 = rot1;
		m_rot2 = rot2;
	}

	virtual DimensionStyleCR _GetDimStyle() const
	{
		return *m_dimstyle;
	}

	virtual DgnTextStyleCR   _GetTextStyle()  const
	{
		return *m_textStyle;
	}

	virtual Symbology   _GetSymbology() const
	{
		return m_symbology;
	}
	virtual LevelId   _GetLevelID() const
	{
		return m_levelId;
	}
	virtual DirectionFormatterCR   _GetDirFormat()  const
	{
		return *m_dirFormatter;
	}
	virtual int  _GetViewNumber()  const
	{
		return 0;
	}

	virtual RotMatrixCR  _GetDimRMatrix()  const
	{
		return m_rot1;
	}

	virtual RotMatrixCR  _GetViewRMatrix()  const
	{
		return m_rot2;
	}

	virtual bool   _GetAnnScaleAllowed()  const
	{
		return true;
	}
};
void createAssoDim (WCharCP unparsed)
{
	EditElementHandle lineEeh, dimEeh;
	double g_1mu = ISessionMgr::GetActiveDgnModelP()->GetModelInfoCP()->GetUorPerMeter();
	DgnFilePtr    pActiveDgnFile = ISessionMgr::GetActiveDgnFile();
	DgnModelP pActiveModel = ISessionMgr::GetActiveDgnModelP();
	//------ Create a line element
	DPoint3d pt1 = DPoint3d::From(0, 0, 0);
	DPoint3d pt2 = DPoint3d::From(10 * g_1mu, 0, 0);
	DSegment3d seg = DSegment3d::From(pt1, pt2);
	LineHandler::CreateLineElement(lineEeh, nullptr, seg, true, *ACTIVEMODEL);
	lineEeh.AddToModel();

	//------- Create a empty dim element
	DimensionStylePtr pDimStyle = DimensionStyle::GetSettings(*pActiveDgnFile);

	pDimStyle->SetBooleanProp(true, DimStyleProp::DIMSTYLE_PROP_Placement_UseStyleAnnotationScale_BOOLINT);
	pDimStyle->SetDoubleProp(1, DimStyleProp::DIMSTYLE_PROP_Placement_AnnotationScale_DOUBLE);
	pDimStyle->SetBooleanProp(true, DimStyleProp::DIMSTYLE_PROP_Text_OverrideHeight_BOOLINT);
	pDimStyle->SetDistanceProp(0.5 * g_1mu, DimStyleProp::DIMSTYLE_PROP_Text_Height_DISTANCE, pActiveModel);
	pDimStyle->SetBooleanProp(true, DimStyleProp::DIMSTYLE_PROP_Text_OverrideWidth_BOOLINT);
	pDimStyle->SetDistanceProp(0.4 * g_1mu, DimStyleProp::DIMSTYLE_PROP_Text_Width_DISTANCE, pActiveModel);
	pDimStyle->SetBooleanProp(true, DimStyleProp::DIMSTYLE_PROP_General_UseMinLeader_BOOLINT);
	pDimStyle->SetDoubleProp(0.01, DimStyleProp::DIMSTYLE_PROP_Terminator_MinLeader_DOUBLE);
	pDimStyle->SetBooleanProp(true, DimStyleProp::DIMSTYLE_PROP_Value_AngleMeasure_BOOLINT);
	pDimStyle->SetAccuracyProp((byte)AnglePrecision::Use1Place, DimStyleProp::DIMSTYLE_PROP_Value_AnglePrecision_INTEGER);
	pDimStyle->SetIntegerProp(DIMSTYLE_VALUE_General_Alignment_True, DIMSTYLE_PROP_General_Alignment_INTEGER);

	DgnTextStylePtr textStyle = DgnTextStyle::GetSettings(*pActiveDgnFile);

	LevelId lvId = pActiveModel->GetLevelCache().GetLevelByName(L"Default").GetLevelId();

	Symbology symb;
	symb.style = 0; symb.weight = 0; symb.color = 0;

	DirectionFormatterPtr dirFormatter = DirectionFormatter::Create(*pActiveModel);

	RotMatrixCR rMatrix1 = RotMatrix::FromIdentity();
	RotMatrixCR rMatrix2 = RotMatrix::FromIdentity();

	DimensionProperty *createDimdata = new DimensionProperty(pDimStyle, textStyle, symb, lvId, dirFormatter, rMatrix1, rMatrix2);

	if (SUCCESS != DimensionHandler::CreateDimensionElement(dimEeh, *createDimdata, DimensionType::SizeArrow, true, *pActiveModel))
	{
		return;
	}

	//------ Insert Assoc Points
	AssocPoint assocPt1, assocPt2;
	AssociativePoint::InitKeypoint(assocPt1, 0, 2, 0, 1);
	AssociativePoint::SetRoot(assocPt1, lineEeh.GetElementId(), 0);
	AssociativePoint::InitKeypoint(assocPt2, 1, 2, 0, 1);
	AssociativePoint::SetRoot(assocPt2, lineEeh.GetElementId(), 0);
	IDimensionEdit* iDimEdit = dynamic_cast<IDimensionEdit*>(&dimEeh.GetHandler());
	iDimEdit->InsertPoint(dimEeh, &pt1, &assocPt1, *pDimStyle, -1);
	iDimEdit->InsertPoint(dimEeh, &pt2, &assocPt2, *pDimStyle, -1);

	iDimEdit->SetHeight(dimEeh, g_1mu);
	iDimEdit->SetRotationMatrix(dimEeh, RotMatrix::FromIdentity());

	if (dimEeh.IsValid())
	{
		dimEeh.AddToModel();
	}
}

符老师   本特利不会学百度   要给钱才能搜索吧

哈哈，那不会的。Bentley还是很有节操的。主要是购买的这个Teligent社区平台的搜索功能不是很给力。