用c#怎样加载线型？并且设置为当前线型？
 

用c#怎样加载线型？并且设置为当前线型？
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用c#怎样加载线型？并且设置为当前线型？
如题。
objectid m_loadlinetypename(string m_linetypename) { database m_db = hostapplicationservices.workingdatabase; editor m_ed = application.documentmanager.mdiactivedocument.editor; objectid m_linetypeid = new objectid(); using (transaction m_tr = m_db.transactionmanager.starttransaction()) { linetypetable m_ltt = (linetypetable)m_tr.getobject(m_db.linetypetableid, openmode.forwrite, true); if (m_ltt.has(m_linetypename)) m_linetypeid = m_ltt[m_linetypename]; else { try { m_db.loadlinetypefile(m_linetypename, "acad.lin"); m_linetypeid = m_ltt[m_linetypename]; } catch (system.exception e) { m_ed.writemessage("\n加载线型错误：{0},用当前线型代替！", e.message); m_linetypeid = m_db.celtype; } } m_tr.commit(); } m_db.celtype = m_linetypeid; return m_linetypeid; }