/// <summary>
/// 在DA_ELEVATION添加表示标高的属性
/// </summary>
private void AddElevationAtt()
{
Database db = HostApplicationServices.WorkingDatabase;
ObjectId blockId = CreateElevationBlock();
using (Transaction trans = db.TransactionManager.StartTransaction())
{
AttributeDefinition attElevation = new AttributeDefinition(
Point3d.Origin, "", "ELEVATION", "输入标高值", ObjectId.Null);
attElevation.Height = 3; //字高为3
attElevation.HorizontalMode = TextHorizontalMode.TextLeft; //水平方向左对齐
attElevation.VerticalMode = TextVerticalMode.TextBottom; //竖直方向下对齐
attElevation.AlignmentPoint = new Point3d(2, 1.8, 0); //对齐位置
attElevation.Visible = true; //文字可见
attElevation.WidthFactor = 0.75; //文字水平比例
blockId.AddAttsToBlock(attElevation); //将属性定义添加至块定义中
trans.Commit();
}
}
/// <summary>
/// 为块表记录添加属性
/// </summary>
/// <param name="blockId">块表记录的Id</param>
/// <param name="atts">要加入的块属性列表</param>
public static void AddAttsToBlock(this ObjectId blockId, params AttributeDefinition[] atts)
{
blockId.AddAttsToBlock(atts.ToList());
}
