C# 二次开发读取DimXpert尺寸与误差

读取该图片的尺寸与误差
ISldWorks sldWorks = new SldWorks();

ModelDoc2 swModel = sldWorks.ActiveDoc as ModelDoc2;

Annotation swAnnotation = (Annotation)swModel.GetFirstAnnotation2();
while (((swAnnotation != null)))
{
int AnnotationType = (int)swDimensionType_e.swDimensionTypeUnknown;
AnnotationType = swAnnotation.GetType();
if (AnnotationType == (int)swAnnotationType_e.swNote)//其他备注
{
int aa1 = swAnnotation.IGetAttachedEntityCount();
bool aaa = swAnnotation.IsDangling();

      Note aa = (Note)swAnnotation.GetSpecificAnnotation();string ym = aa.GetText();swAnnotation = (Annotation)swAnnotation.GetNext3();}else if (AnnotationType == (int)swAnnotationType_e.swDisplayDimension)//尺寸备注{int aa1 = swAnnotation.IGetAttachedEntityCount();bool aaa = swAnnotation.IsDangling();DimXpertFeature dimXpertFeature = swAnnotation.GetDimXpertFeature();string DimXpertName = swAnnotation.GetDimXpertName();DisplayDimension displayDimension1 = (DisplayDimension)swAnnotation.GetSpecificAnnotation();int index = 0;string str = displayDimension1.GetText(index);Dimension Dimensionstr = displayDimension1.GetDimension();double ff = Dimensionstr.Value;PMIDimensionData swPMIDataDim = (PMIDimensionData)swAnnotation.GetPMIData();if (swPMIDataDim != null){for (int k = 0; k <= swPMIDataDim.GetDimensionItemCount() - 1; k++){var swPMIDataDimItem = (PMIDimensionItem)swPMIDataDim.GetDimensionItemAtIndex(k);double value = swPMIDataDimItem.Value;double maximumVariable = Math.Abs(swPMIDataDimItem.MaxVariation);double minimumVariable = Math.Abs(swPMIDataDimItem.MinVariation);}}swAnnotation = (Annotation)swAnnotation.GetNext3();}else{swAnnotation = (Annotation)swAnnotation.GetNext3();}

}