private bool DrawLeader(ObjectId mLeaderStyleId, IList <Point3d> pnt)
{
var leader = new MLeader()
{
MLeaderStyle = mLeaderStyleId,
Layer = "0",
};
using (Active.Document.LockDocument())
using (Transaction tr = Active.Database.TransactionManager.StartTransaction())
{
try
{
var idx = leader.AddLeaderLine(pnt[0]);
var direction = 1.0;
if ((pnt[0] - pnt[1]).DotProduct(Vector3d.XAxis) < 0)
{
direction = -1;
}
leader.SetDogleg(idx, Vector3d.XAxis.MultiplyBy(direction));
var text = "{X= " + Decimal.Round((decimal)pnt[0].X, 2) + "}" +
"\\P{Y= " + Decimal.Round((decimal)pnt[0].Y, 2) + "}";
pnt.RemoveAt(0);
foreach (Point3d pt in pnt)
{
leader.AddFirstVertex(idx, pt);
}
MText mText = new MText();
mText.SetDatabaseDefaults();
mText.Annotative = AnnotativeStates.True;
mText.Contents = text;
mText.Attachment = (direction < 0) ? AttachmentPoint.MiddleRight : AttachmentPoint.MiddleLeft;
leader.MText = mText;
leader.TextHeight = 1.75;
leader.EnableFrameText = true;
Active.Database.AddEntities(leader);
tr.Commit();
return(true);
}
catch (System.Exception e)
{
Console.WriteLine(e);
return(false);
}
}
}