public void Move(LArrow la, Vector3d vec)
{
la.Position += vec;
la.SaveExtendedData();
}
public static void DoIt()
{
Document doc = Application.DocumentManager.MdiActiveDocument;
Editor ed = doc.Editor;
PromptDoubleOptions optDouble = new PromptDoubleOptions("\n请输入箭头长度:");
optDouble.AllowNone = true;
optDouble.AllowZero = false;
optDouble.DefaultValue = CurrArrowLength;
optDouble.UseDefaultValue = true;
PromptDoubleResult resDouble = ed.GetDouble(optDouble);
if (resDouble.Status == PromptStatus.OK)
{
//改变箭头长度设定值
CurrArrowLength = resDouble.Value;
PromptPointResult resStartPoint = ed.GetPoint("\n请输入起点:");
if (resStartPoint.Status == PromptStatus.OK)
{
PromptPointOptions optEndPoint = new PromptPointOptions("\n请输入终点:");
optEndPoint.BasePoint = resStartPoint.Value;
optEndPoint.UseBasePoint = true;
PromptPointResult resEndPoint = ed.GetPoint(optEndPoint);
if (resEndPoint.Status == PromptStatus.OK)
{
Point3d startpnt = resStartPoint.Value;
Point3d endpnt = resEndPoint.Value;
Database db = doc.Database;
using (Transaction tr = db.TransactionManager.StartTransaction())
{
BlockTableRecord btr =
(BlockTableRecord)tr.GetObject(
db.CurrentSpaceId,
OpenMode.ForWrite,
false);
Line line = new Line(startpnt, endpnt);
btr.AppendEntity(line);
tr.AddNewlyCreatedDBObject(line, true);
RegAppTable rat =
(RegAppTable)tr.GetObject(
db.RegAppTableId,
OpenMode.ForRead,
false);
if (!rat.Has(RegAppName))
{
rat.UpgradeOpen();
RegAppTableRecord regapp = new RegAppTableRecord();
regapp.Name = RegAppName;
rat.Add(regapp);
tr.AddNewlyCreatedDBObject(regapp, true);
}
Point3d midpnt = (startpnt + endpnt.GetAsVector()) / 2;
LArrow la = new LArrow(line);
//附着当前设定的箭头长度
la.ArrowLength = CurrArrowLength;
la.Scale = 0.5;
la.SaveExtendedData();
tr.Commit();
}
}
}
}
}
