public static void TestDimsionElement()
{
BCOM.Application app = Program.COM_App;
var m = app.Matrix3dIdentity();
var dim = app.CreateDimensionElement1(null, ref m, Bentley.Interop.MicroStationDGN.MsdDimType.AngleLocation);
var p0 = app.Point3dFromXY(100, 100);
var p1 = app.Point3dFromXY(000, 0);
var p2 = app.Point3dFromXY(0, 100);
dim.AddReferencePoint(app.ActiveModelReference, ref p0);
dim.AddReferencePoint(app.ActiveModelReference, ref p1);
dim.AddReferencePoint(app.ActiveModelReference, ref p2);
app.ActiveModelReference.AddElement(dim);
}
