static public void GetXData()
{
AcAp.Document doc = AcApp.DocumentManager.MdiActiveDocument;
AcEd.Editor ed = doc.Editor;
AcEd.PromptEntityOptions opt = new AcEd.PromptEntityOptions("\nSelect entity: ");
AcEd.PromptEntityResult res = ed.GetEntity(opt);
if (res.Status == AcEd.PromptStatus.OK)
{
using (AcDb.Transaction tr = doc.TransactionManager.StartTransaction())
{
AcDb.DBObject obj = tr.GetObject(res.ObjectId, AcDb.OpenMode.ForRead);
AcDb.ResultBuffer rb = obj.XData;
if (rb == null)
{
ed.WriteMessage("\nEntity does not have XData attached.");
}
else
{
int n = 0;
foreach (AcDb.TypedValue tv in rb)
{
ed.WriteMessage("\nTypedValue {0} - type: {1}, value: {2}", n++, tv.TypeCode, tv.Value);
}
rb.Dispose();
}
}
}
}
static public void DynamicBlockProps()
{
_AcAp.Document doc = _AcAp.Application.DocumentManager.MdiActiveDocument;
_AcDb.Database db = doc.Database;
_AcEd.Editor ed = doc.Editor;
_AcEd.PromptStringOptions pso = new _AcEd.PromptStringOptions("\nEnter dynamic block name or enter to select: ");
pso.AllowSpaces = true;
_AcEd.PromptResult pr = ed.GetString(pso);
if (pr.Status != _AcEd.PromptStatus.OK)
{
return;
}
_AcDb.Transaction tr = db.TransactionManager.StartTransaction();
using (tr)
{
_AcDb.BlockReference br = null;
// If a null string was entered allow entity selection
if (pr.StringResult == "")
{
// Select a block reference
_AcEd.PromptEntityOptions peo = new _AcEd.PromptEntityOptions("\nSelect dynamic block reference: ");
peo.SetRejectMessage("\nEntity is not a block.");
peo.AddAllowedClass(typeof(_AcDb.BlockReference), false);
_AcEd.PromptEntityResult per = ed.GetEntity(peo);
if (per.Status != _AcEd.PromptStatus.OK)
{
return;
}
// Access the selected block reference
br = tr.GetObject(per.ObjectId, _AcDb.OpenMode.ForRead) as _AcDb.BlockReference;
}
else
{
// Otherwise we look up the block by name
_AcDb.BlockTable bt = tr.GetObject(db.BlockTableId, _AcDb.OpenMode.ForRead) as _AcDb.BlockTable;
if (!bt.Has(pr.StringResult))
{
ed.WriteMessage("\nBlock \"" + pr.StringResult + "\" does not exist.");
return;
}
// Create a new block reference referring to the block
br = new _AcDb.BlockReference(new _AcGe.Point3d(), bt[pr.StringResult]);
}
_AcDb.BlockTableRecord btr = (_AcDb.BlockTableRecord)tr.GetObject(br.DynamicBlockTableRecord, _AcDb.OpenMode.ForRead);
// Call our function to display the block properties
DisplayDynBlockProperties(ed, br, btr.Name);
// Committing is cheaper than aborting
tr.Commit();
}
}
static public void SetXData()
{
AcAp.Document doc = AcApp.DocumentManager.MdiActiveDocument;
AcEd.Editor ed = doc.Editor;
AcEd.PromptEntityOptions opt = new AcEd.PromptEntityOptions("\nSelect entity: ");
AcEd.PromptEntityResult res = ed.GetEntity(opt);
if (res.Status == AcEd.PromptStatus.OK)
{
using (AcDb.Transaction tr = doc.TransactionManager.StartTransaction())
{
AcDb.DBObject obj = tr.GetObject(res.ObjectId, AcDb.OpenMode.ForWrite);
AddRegAppTableRecord("KEAN");
AcDb.ResultBuffer rb = new AcDb.ResultBuffer(
new AcDb.TypedValue(1001, "KEAN"),
new AcDb.TypedValue(1000, "This is a test string")
);
obj.XData = rb;
rb.Dispose();
tr.Commit();
}
}
}
static public void ZoomToEntity()
{
_AcAp.Document doc =
_AcAp.Application.DocumentManager.MdiActiveDocument;
_AcDb.Database db = doc.Database;
_AcEd.Editor ed = doc.Editor;
// Get the entity to which we'll zoom
_AcEd.PromptEntityOptions peo =
new _AcEd.PromptEntityOptions(
"\nSelect an entity:"
);
_AcEd.PromptEntityResult per = ed.GetEntity(peo);
if (per.Status != _AcEd.PromptStatus.OK)
{
return;
}
// Extract its extents
_AcDb.Extents3d ext;
_AcDb.Transaction tr =
db.TransactionManager.StartTransaction();
using (tr)
{
_AcDb.Entity ent =
(_AcDb.Entity)tr.GetObject(
per.ObjectId,
_AcDb.OpenMode.ForRead
);
ext =
ent.GeometricExtents;
tr.Commit();
}
ext.TransformBy(
ed.CurrentUserCoordinateSystem.Inverse()
);
// Call our helper function
// [Change this to ZoomWin2 or WoomWin3 to
// use different zoom techniques]
ZoomWin(ed, ext.MinPoint, ext.MaxPoint);
}