// 创建带文字的线型 ////// 返回线型ID
public static ObjectId CreateLineTypeWithText(string lineTypeName, string text)
{
Document doc = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument; Database db = doc.Database; Editor ed = doc.Editor;
Transaction tr = db.TransactionManager.StartTransaction(); using (tr) { // 读出文字样式表
TextStyleTable tt = (TextStyleTable)tr.GetObject(db.TextStyleTableId, OpenMode.ForRead);
// 读出线型表
LinetypeTable lt = (LinetypeTable)tr.GetObject(db.LinetypeTableId, OpenMode.ForWrite);
if (lt.Has(lineTypeName))
{
return(lt[lineTypeName]);
}
else // 创建新的线型记录.
{
LinetypeTableRecord ltr = new LinetypeTableRecord();
// ...设置线型记录特性
ltr.Name = lineTypeName;
ltr.AsciiDescription = lineTypeName + " Supply ---- " + text + " ---- " + text + " ---- " + text + " ----";
ltr.PatternLength = 1.1;
ltr.NumDashes = 3; //分为三段 // 线段Dash #1
ltr.SetDashLengthAt(0, 0.5); // 线段Dash #2
ltr.SetDashLengthAt(1, -0.3);
ltr.SetShapeStyleAt(1, tt["Standard"]); //文字样式设定
ltr.SetShapeNumberAt(1, 0); //文字位置设定，用一二维向量控制
ltr.SetShapeOffsetAt(1, new Vector2d(-0.1, -0.05)); ltr.SetShapeScaleAt(1, 0.1); //文字比例
ltr.SetShapeIsUcsOrientedAt(1, false); ltr.SetShapeRotationAt(1, 0); //文字方向,0为顺直接方向
ltr.SetTextAt(1, text); //文字内容 // 线段Dash #3
ltr.SetDashLengthAt(2, -0.3); // 添加新的线型记录到线型表
ObjectId ltId = lt.Add(ltr);
tr.AddNewlyCreatedDBObject(ltr, true);
tr.Commit();
return(ltId);//返回线型记录ID
}
}
}
