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新人我的练习作品，请指教～！ - 精华帖集合
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新人我的练习作品，请指教～！
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偶刚学c#难的东东不会，发个等分曲线的小小程序，请大家指教。
using system;
using autodesk.autocad.applicationservices;
using acad = autodesk.autocad.applicationservices.application;
using autodesk.autocad.databaseservices;
using autodesk.autocad.editorinput;
using autodesk.autocad.geometry;
using autodesk.autocad.runtime;
namespace fsxm.acad
{
public class breakcurve : iextensionapplication
{
//全局变量，默认等分的段数
static int n = 2;
//等分曲线选择集
[commandmethod("averagescurve", commandflags.usepickset)]
public void averagescurvess()
{
document doc = acad.documentmanager.mdiactivedocument;
editor ed = doc.editor;
database db = doc.database;
#region 用户输入=================================================
promptselectionoptions sop = new promptselectionoptions();
sop.rejectobjectsonlockedlayers = true;//不允许上锁的图层的东东
promptselectionresult srt = ed.getselection
(sop, new selectionfilter(new typedvalue[] { new typedvalue(0, "*line,arc,circle,,ellipse") }));
selectionset ss;
if (srt.status == promptstatus.ok)
ss = srt.value;
else
return;
//===================================
promptintegeroptions iop = new promptintegeroptions("指定等分的段数");
iop.defaultvalue = n;
promptintegerresult irt = ed.getinteger(iop);
if (irt.status != promptstatus.ok || irt.value < 2)
return;
else
n = irt.value;
#endregion//======================================================
using (transaction trans = db.transactionmanager.starttransaction())
{
//兼容modelspace,paperspace
objectid id = trans.getobject(ss[0].objectid, openmode.forread).ownerid;
blocktablerecord spase = (blocktablerecord)trans.getobject(id, openmode.forwrite);
foreach (selectedobject obj in ss)
{
curve cv = (curve)trans.getobject(obj.objectid, openmode.forwrite);
foreach (dbobject dbobj in averagescurve(cv, n))
{
spase.appendentity((entity)dbobj);
trans.addnewlycreateddbobject(dbobj, true);
}
}
trans.commit();
}
}
//等分单条曲线
public dbobjectcollection averagescurve(curve cv, int n)
{
double ep = cv.endparam;
double len = cv.getdistanceatparameter(ep);
double split = len / n;
doublecollection pas = new doublecollection();
if (cv.closed) //闭合曲线要先断开
pas.add(cv.startparam);
for (int i = 1; i < n; i++)
{
pas.add(cv.getparameteratdistance(i * split));
}
cv.erase();
return cv.getsplitcurves(pas);
}
#region iextensionapplication 成員
public void initialize()
{
acad.documentmanager.mdiactivedocument.editor.writemessage
("\n功能：等分打断曲线，命令:averagescurve，copyright (c) 2008 fsxm。");
}
public void terminate() { }
#endregion
}
}
复制代码
飞兄写的不错啊，给你加精了
c#最适合开发autocad，因为它拥有vb容易的特点，却具有vc++的强大功能。
才大～呵呵
楼主,太需要这样的例子学习了.
学习了，感谢！
找个半天终于找到这样的例子了， －－－－新手