public static MyXrefInformation[] FindXrefs(Database db)
{
MyXrefInformation[] XrefArray;
string[] tempStrArray;
int tempCnt;
using (Transaction Trans = db.TransactionManager.StartTransaction())
{
BlockTable BlkTbl = (BlockTable)Trans.GetObject(db.BlockTableId, OpenMode.ForRead);
//db.ResolveXrefs(false, true);
XrefGraph XrGph = db.GetHostDwgXrefGraph(false);
XrefArray = new MyXrefInformation[XrGph.NumNodes - 1];
for (int i = 1; i < XrGph.NumNodes; ++i)
{
XrefGraphNode XrNode = XrGph.GetXrefNode(i);
BlockTableRecord btr = (BlockTableRecord)Trans.GetObject(XrNode.BlockTableRecordId, OpenMode.ForRead);
MyXrefInformation XrInfo = new MyXrefInformation();
XrInfo.Name = XrNode.Name;
XrInfo.NewName = XrNode.Name;
XrInfo.Path = btr.PathName;
XrInfo.NewPath = btr.PathName;
XrInfo.DrawingPath = db.Filename;
XrInfo.XId = XrNode.BlockTableRecordId;
string FoundAt = WillLoad(btr.PathName, db);
if (XrNode.XrefStatus == XrefStatus.Unresolved)
{
if (string.IsNullOrEmpty(FoundAt))
{
XrInfo.Status = XrefStatus.Unresolved;
}
else
{
XrInfo.Status = XrefStatus.Resolved;
}
}
else
{
XrInfo.Status = XrNode.XrefStatus;
}
if (XrInfo.Status == XrefStatus.Resolved)
{
XrInfo.FoundAtPath = FoundAt;
}
XrInfo.IsNested = XrNode.IsNested;
XrInfo.IsOverlay = btr.IsFromOverlayReference;
ObjectIdCollection ObjIdCol = (ObjectIdCollection)btr.GetBlockReferenceIds(true, true);
string[] InsertedAtArray = new string[ObjIdCol.Count];
for (int j = 0; j < ObjIdCol.Count; ++j)
{
ObjectId ObjId = ObjIdCol[j];
BlockReference BlkRef = (BlockReference)Trans.GetObject(ObjId, OpenMode.ForRead);
BlockTableRecord tempbtr = (BlockTableRecord)Trans.GetObject(BlkRef.OwnerId, OpenMode.ForRead);
if (tempbtr.IsLayout)
{
Layout templo = (Layout)Trans.GetObject(tempbtr.LayoutId, OpenMode.ForRead);
InsertedAtArray[j] = "Layout: " + templo.LayoutName;
}
else
{
InsertedAtArray[j] = "Block: " + tempbtr.Name;
}
}
XrInfo.InsertedWhere = InsertedAtArray;
if (!XrNode.NumIn.Equals(0))
{
tempStrArray = new string[XrNode.NumIn];
tempCnt = 0;
for (int j = 0; j < XrNode.NumIn; j++)
{
int tempInt = FindGraphLocation(XrNode.In(j));
if (tempInt.Equals(-1))
{
continue;
}
tempStrArray[tempCnt] = XrGph.GetXrefNode(tempInt).Name;
tempCnt++;
}
XrInfo.OwnerNames = tempStrArray;
}
if (!XrNode.NumOut.Equals(0))
{
tempStrArray = new string[XrNode.NumOut];
tempCnt = 0;
for (int j = 0; j < XrNode.NumOut; j++)
{
int tempInt = FindGraphLocation(XrNode.Out(j));
if (tempInt.Equals(-1))
{
continue;
}
tempStrArray[tempCnt] = XrGph.GetXrefNode(tempInt).Name;
tempCnt++;
}
XrInfo.ChildrenNames = tempStrArray;
}
XrefArray[i - 1] = XrInfo;
}
}
return(XrefArray);
}
void ListFiles(string[] Files)
{
RoList = new List <string>();
foreach (string DwgPath in Files)
{
if ((File.GetAttributes(DwgPath) & FileAttributes.ReadOnly) == FileAttributes.ReadOnly)
{
RoList.Add(DwgPath);
continue;
}
string[] tempStrArray = DwgPath.Split('\\');
tempStrArray = tempStrArray[tempStrArray.Length - 1].Split('.');
ListViewItem lvi = new ListViewItem(tempStrArray[0]);
Database Db;
DocumentLock tempLock = null;
Document OpenDoc = null;
OpenDoc = GetDocumentFrom(DocCol, DwgPath);
bool DocInEditor = (OpenDoc != null);
if (DocInEditor)
{
Db = OpenDoc.Database;
tempLock = OpenDoc.LockDocument();
Db.ResolveXrefs(false, true);
}
else
{
Db = new Database(true, false);
}
try
{
if (!DocInEditor)
{
Db.ReadDwgFile(DwgPath, System.IO.FileShare.ReadWrite, true, null);
}
XrInfo = MyXrefInformation.FindXrefs(Db);
lvi.Tag = XrInfo;
if (!XrInfo.Equals(0))
{
DwgListview.Items.Add(lvi);
}
}
catch (Autodesk.AutoCAD.Runtime.Exception AcadEx)
{
MessageBox.Show(AcadEx.Message + "\n\n" + DwgPath + "\n\n" + AcadEx.StackTrace, "AutoCAD error.");
}
catch (System.Exception SysEx)
{
MessageBox.Show(SysEx.Message + System.Environment.NewLine + System.Environment.NewLine + SysEx.StackTrace, "System error.");
}
if (DocInEditor)
{
tempLock.Dispose();
}
else
{
Db.Dispose();
}
}
StringBuilder Sb = new StringBuilder();
foreach (string str in RoList)
{
Sb.AppendLine(str);
}
if (!string.IsNullOrEmpty(Sb.ToString()))
{
MessageBox.Show(Sb.ToString(), "Read-only files not able to update.");
}
}