OBJECT ARX 修改选中实体的颜色 选择集的使用

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 ////修改选中实体的颜色
 static void TESTchangecolorcmd(){

 ads_name ssname;
 ////选择多个实体，传递NULL，让用户自己来选
 acedSSGet(NULL,NULL,NULL,NULL,ssname);
 long len;
 acedSSLength(ssname,&len);
 CString ss;
 ss.Format(_T("已选中%d个实体"),len);
 acutPrintf(ss);


 ads_name entname;


 AcDbObjectId id;
 AcDbEntity* ent = NULL;
 CString strName;


 int nNewColor;
 ////弹出颜色选择对话框
 if(acedSetColorDialog(nNewColor,Adesk::kFalse,256) != IDOK){
 return;
 }


 for(int i=0;i
 {


 if(acedSSName(ssname, i, entname) == RTNORM)
 {


 ////根据名称得到ID
 acdbGetObjectId(id,entname);


 ////以写模式，根据ID索引到对象，并打开ENTITY
 acdbOpenObject(ent,id,AcDb::OpenMode::kForWrite);
 strName.Format(_T("%d"),ent->colorIndex());
 acutPrintf(_T("\n"));
 acutPrintf(strName);


 /////如果只限制直线
 /*if(ent->isKindOf(AcDbLine::desc())){


 acutPrintf(_T("\nfind line"));
 ent->setColorIndex(nNewColor);
 ent->close();
 }*/

 ent->setColorIndex(nNewColor);
 ent->close();
 }
 }


 acedSSFree(ssname);



 }