51 lines
1.5 KiB
C#
51 lines
1.5 KiB
C#
namespace ShrlAlgo.Toolkit.Revit.Helpers;
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/// <summary>
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/// dwg块选择过滤
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/// </summary>
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public class DwgBlockSelection : ISelectionFilter
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{
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private Element e;
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public bool AllowElement(Element elem)
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{
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e = elem;
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return e.Document.GetElement(e.GetTypeId()) is CADLinkType;
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}
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public bool AllowReference(Reference reference, XYZ position)
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{
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//块
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var instance = e.GetGeometryObjectFromReference(reference) as GeometryInstance;
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if (instance == null)
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{
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return false;
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}
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////dwg
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//foreach (var dwgIns in e.get_Geometry(new Options()))
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//{
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// if (dwgIns is not GeometryInstance item) continue;
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// //遍历dwg包含的所有内容
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// foreach (var obj in item.SymbolGeometry)
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// {
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// return obj is GeometryInstance ins && !ins.SymbolGeometry.Any();
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// }
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//}
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//if (selectBlock == null)
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//{
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// return false;
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//}
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//块是否包含子块
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//foreach (var item in instance.SymbolGeometry)
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//{
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// if (item is GeometryInstance)
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// {
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// return false;
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// }
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//}
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//var isNest = selectBlock.SymbolGeometry.OfType<GeometryInstance>().Any();
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return /*!isNest &&*/ reference.ElementReferenceType == ElementReferenceType.REFERENCE_TYPE_INSTANCE
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&& instance.GraphicsStyleId != ElementId.InvalidElementId;
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}
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} |