/// <summary>
/// creating leader text on a sheet.
/// Before running this sample, open a drawing document and select a linear drawing edge.
/// </summary>
/// <remarks></remarks>
public void AddLeaderNote()
{
// Set a reference to the drawing document.
// This assumes a drawing document is active.
DrawingDocument oDrawDoc = (DrawingDocument)_InvApplication.ActiveDocument;
// Set a reference to the active sheet.
Sheet oActiveSheet = oDrawDoc.ActiveSheet;
// Set a reference to the drawing curve segment.
// This assumes that a drawing curve is selected.
DrawingCurveSegment oDrawingCurveSegment = oDrawDoc.SelectSet[1];
// Set a reference to the drawing curve.
DrawingCurve oDrawingCurve = oDrawingCurveSegment.Parent;
// Get the mid point of the selected curve
// assuming that the selected curve is linear
Point2d oMidPoint = oDrawingCurve.MidPoint;
// Set a reference to the TransientGeometry object.
TransientGeometry oTG = _InvApplication.TransientGeometry;
ObjectCollection oLeaderPoints = _InvApplication.TransientObjects.CreateObjectCollection();
// Create a few leader points.
oLeaderPoints.Add(oTG.CreatePoint2d(oMidPoint.X + 10, oMidPoint.Y + 10));
oLeaderPoints.Add(oTG.CreatePoint2d(oMidPoint.X + 10, oMidPoint.Y + 5));
// Create an intent and add to the leader points collection.
// This is the geometry that the leader text will attach to.
GeometryIntent oGeometryIntent = oActiveSheet.CreateGeometryIntent(oDrawingCurve);
oLeaderPoints.Add(oGeometryIntent);
// Create text with simple string as input. Since this doesn't use
// any text overrides, it will default to the active text style.
string sText = null;
sText = "API Leader Note";
LeaderNote oLeaderNote = oActiveSheet.DrawingNotes.LeaderNotes.Add(oLeaderPoints, sText);
// Insert a node.
LeaderNode oFirstNode = oLeaderNote.Leader.RootNode.ChildNodes[1];
LeaderNode oSecondNode = oFirstNode.ChildNodes[1];
oFirstNode.InsertNode(oSecondNode, oTG.CreatePoint2d(oMidPoint.X + 5, oMidPoint.Y + 5));
}
