public static void MagicReplaceCommand()
{
// objects initializing
var nomutt = Convert.ToInt32(Autodesk.AutoCAD.ApplicationServices.Core.Application.GetSystemVariable("nomutt"));
var doc = Autodesk.AutoCAD.ApplicationServices.Core.Application.DocumentManager.MdiActiveDocument;
var ed = doc.Editor;
var db = doc.Database;
try {
using (doc.LockDocument()) {
using (var tr = new QuickTransaction()) {
var toreplace = tr.GetImpliedOrSelect(new PromptSelectionOptions());
if (toreplace == null)
{
return;
}
ed.WriteMessage("\nSelect destinion block: ");
var totype = Quick.SelectSingle();
ed.WriteMessage("\n");
if (totype == null)
{
return;
}
var masterblock = (BlockTableRecord)tr.GetObject(((BlockReference)tr.GetObject(totype ?? ObjectId.Null, OpenMode.ForWrite)).BlockTableRecord, OpenMode.ForRead);
var bt = tr.GetObject(db.BlockTableId, OpenMode.ForRead) as BlockTable;
var @new = bt[masterblock.Name];
Autodesk.AutoCAD.ApplicationServices.Core.Application.SetSystemVariable("nomutt", 0);
var notparsed = 0;
var flattern = false;
var objs = toreplace.Cast <SelectedObject>().Select(o => tr.GetObject(o.ObjectId, OpenMode.ForRead) as Entity).ToArray();
if (objs.Any(o => (o as BlockReference)?.Position.Z > 0))
{
flattern = Quick.AskQuestion("Should flattern blocks with Z value", true) ?? false;
}
var os = new List <ObjectId>();
foreach (var ent in objs)
{
var oldblk = ent as BlockReference;
if (oldblk == null)
{
//not block..
notparsed++;
continue;
}
var p = oldblk.Position;
var ip = flattern ? new Point3d(p.X, p.Y, 0) : p;
var scl = oldblk.ScaleFactors;
var rot = oldblk.Rotation;
var newblk = new BlockReference(ip, @new);
newblk.SetPropertiesFrom(ent);
newblk.Rotation = rot;
newblk.ScaleFactors = scl;
tr.BlockTableRecordCurrentSpace.AppendEntity(newblk);
tr.AddNewlyCreatedDBObject(newblk, true);
ApplyAttributes(db, tr, newblk);
oldblk.UpgradeOpen();
oldblk.Erase();
oldblk.Dispose();
os.Add(newblk.ObjectId);
}
Autodesk.AutoCAD.ApplicationServices.Core.Application.SetSystemVariable("nomutt", 1);
tr.Commit();
if (notparsed > 0)
{
ed.WriteMessage($"{notparsed} are not blocks and were not replaced.\n");
}
ed.WriteMessage($"{toreplace.Count} were replaced to block {masterblock.Name} successfully.\n");
Quick.SetSelected(os.ToArray());
}
}
} catch (Exception ex) {
ed.WriteMessage(ex.Message + "\n" + ex.StackTrace);
} finally {
Autodesk.AutoCAD.ApplicationServices.Core.Application.SetSystemVariable("nomutt", nomutt);
}
}