Iam using ProDrawingDtlsyminstVisit()to visit all the symbol instances in the drawing. then i am checking whether that symbol instance is attached or not by ProDtlsyminstdataAttachmentGet.if a symbolattachment typeis PRO_DTLATTACHTYPE_FREE then simply highlight it. so inshort i am trying to highlight symbols which are free or dangling in the drawing. The issue is, ProDrawingDtlsyminstVisit() requires a filter function in this function i am checking whether the symbol is displayed or not by using ProDtlsyminstdataIsDisplayed()(if true i.e displayed then simply check is itPRO_DTLATTACHTYPE_FREE if yes highlight,not thenignore it)but i am getting few symbol instances which are not alldisplayed in the drawing and their attachment type is PRO_DTLATTACHTYPE_FREE. to verify thisi am printing the name of symbol when its attachment type isPRO_DTLATTACHTYPE_FREE. Can any one guide me, whats going wrong in this.? Is it because that i have some symbols which are erased and not deleted. but still ProDtlsyminstdataIsDisplayed() must be able to capture this and return False for this.
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