public string ReadDWGFile(string dwgPath)
{
string pResult = string.Empty;
//打开
Autodesk.AutoCAD.DatabaseServices.Database pDwgDB = new Autodesk.AutoCAD.DatabaseServices.Database(false, true);
pDwgDB.ReadDwgFile(dwgPath, System.IO.FileShare.ReadWrite, true, null);
//为了让插入块的函数在多个图形文件打开的情况下起作用，你必须使用下面的函数把Dwg文件关闭
pDwgDB.CloseInput(true);
Autodesk.AutoCAD.DatabaseServices.Transaction pTransaction = pDwgDB.TransactionManager.StartTransaction();
//打开源的块表
Autodesk.AutoCAD.DatabaseServices.BlockTable pBlockTable =
(Autodesk.AutoCAD.DatabaseServices.BlockTable)pTransaction.GetObject(
pDwgDB.BlockTableId, Autodesk.AutoCAD.DatabaseServices.OpenMode.ForRead);
//打开模型空间块表记录
Autodesk.AutoCAD.DatabaseServices.BlockTableRecord pBlockTableRecord =
(Autodesk.AutoCAD.DatabaseServices.BlockTableRecord)pTransaction.GetObject(
pBlockTable[Autodesk.AutoCAD.DatabaseServices.BlockTableRecord.ModelSpace], Autodesk.AutoCAD.DatabaseServices.OpenMode.ForRead);
foreach (Autodesk.AutoCAD.DatabaseServices.ObjectId pObjID in pBlockTableRecord)
{
Autodesk.AutoCAD.DatabaseServices.DBObject pDBObject =
(Autodesk.AutoCAD.DatabaseServices.DBObject)pTransaction.GetObject(pObjID, Autodesk.AutoCAD.DatabaseServices.OpenMode.ForRead, false, true);
if (pDBObject.GetRXClass().DxfName.ToUpper() == "INSERT")
{
Autodesk.AutoCAD.DatabaseServices.BlockReference pBlockReference = (Autodesk.AutoCAD.DatabaseServices.BlockReference)pDBObject;
if (pBlockReference.AttributeCollection.Count != 0)
{
System.Collections.IEnumerator pEnumerator = pBlockReference.AttributeCollection.GetEnumerator();
while (pEnumerator.MoveNext())
{
Autodesk.AutoCAD.DatabaseServices.ObjectId pObjectID = (Autodesk.AutoCAD.DatabaseServices.ObjectId)pEnumerator.Current;
Autodesk.AutoCAD.DatabaseServices.AttributeReference pAttributeReference =
(Autodesk.AutoCAD.DatabaseServices.AttributeReference)pTransaction.GetObject(
pObjectID, Autodesk.AutoCAD.DatabaseServices.OpenMode.ForRead, false, true);
pResult += pAttributeReference.TextString;
}
}
}
pTransaction.Commit();
pBlockTableRecord.Dispose();
pBlockTable.Dispose();
pDwgDB.Dispose();
}
return(pResult);
}
public ColumnBase(Autodesk.AutoCAD.DatabaseServices.BlockReference blRef, string blName) : base(blRef, blName)
{
}
