CAD.Net 获取绘图区域范围[左下，右上]
本帖最后由 fangmin723 于 2024-6-11 13:45 编辑public void ScreenExtents()
{
Document doc = Acap.DocumentManager.MdiActiveDocument;
Database db = doc.Database;
var ext = Env.ScreenArea;
var ext1 = Env.DrawingArea;
using (Transaction Tx = db.TransactionManager.StartTransaction())
{
//Draws a line to visualize result...
Line line = new Line(ext.MinPoint, ext.MaxPoint);
Line line1 = new Line(ext1.MinPoint, ext1.MaxPoint);
line1.ColorIndex = 1;
BlockTableRecord btr = Tx.GetObject(db.CurrentSpaceId, OpenMode.ForWrite) as BlockTableRecord;
btr.AppendEntity(line);
btr.AppendEntity(line1);
Tx.AddNewlyCreatedDBObject(line, true);
Tx.AddNewlyCreatedDBObject(line1, true);
Tx.Commit();
}
}
autocad.net（c#）获取autocad模型空间窗口大小_c#获取窗口大小-CSDN博客
/// <summary>
/// 获取绘图区域范围[左下，右上]
/// 参考：<see href="https://adndevblog.typepad.com/autocad/2012/04/getting-the-extents-of-autocad-model-window.html"/>
/// </summary>
public static Extents3d ScreenArea
{
get
{
var doc = Acap.DocumentManager.MdiActiveDocument;
var ed = doc.Editor;
var screenSize = (Point2d)Acap.GetSystemVariable("SCREENSIZE");
var leftUpper = new System.Drawing.Point(0, 0);
var rightLower = new System.Drawing.Point((int)screenSize.X, (int)screenSize.Y);
var leftUpperPt = ed.PointToWorld(leftUpper, 0);
var rightLowerPt = ed.PointToWorld(rightLower, 0);
return new(leftUpperPt.GetMinPtTo(rightLowerPt), leftUpperPt.GetMaxPtTo(rightLowerPt));
}
}
/// <summary>
/// 获取绘图区域范围[左下，右上]
/// 参考：<see href="http://bbs.mjtd.com/forum.php?mod=redirect&goto=findpost&ptid=171361&pid=763395&fromuid=7316343"/>
/// </summary>
public static Extents3d DrawingArea
{
get
{
var areaCenter = "VIEWCTR".GetVar<Point3d>();
var areaHeight = "VIEWSIZE".GetVar<double>() * 0.5;
var areaSize = "SCREENSIZE".GetVar<Point2d>();
var areaVect = new Vector3d(areaSize.X / areaSize.Y * areaHeight, areaHeight, 0);
return new(areaCenter - areaVect, areaCenter + areaVect);
}
}
出自：IFoxCad
/// <summary>
/// 获取CAD的系统变量
/// </summary>
/// <typeparam name="T">值的类型</typeparam>
/// <param name="name">要获取的系统变量名称</param>
/// <returns>返回系统变量</returns>
public static T GetVar<T>(this string name)
{
if (string.IsNullOrEmpty(name)) return default;
try { return (T)Acap.GetSystemVariable(name); }
catch (Exception) { throw; }
//return Acaop.GetSystemVariable(name);
}
/// <summary>
/// 设置CAD的系统变量
/// 0x01 建议先获取现有变量值和设置的是否相同,否则直接设置会发生异常<br/>
/// 0x02 建议锁文档,否则 Psltscale 设置发生异常<br/>
/// 发生异常的时候vs输出窗口会打印一下,但是如果不介意也没啥问题
/// </summary>
/// <param name="name">要设置的系统变量名称</param>
/// <param name="value">要设置的系统变量值</param>
/// <param name="echo">输出异常,默认true;此设置仅为打印到命令栏,无法控制vs输出</param>
public static void SetVar(this string name, object value, bool echo = true)
{
if (string.IsNullOrEmpty(name)) return;
if (value is null) return;
try { Acap.SetSystemVariable(name, value); }
catch (Exception) { if (echo) $"{value} 是不存在的变量！".PrintLine(); }
}
楼主这是要写批打插件了吗 szhorse 发表于 2024-6-11 14:27
楼主这是要写批打插件了吗
不是，批量打印我用lisp写了个，.NET版，暂时没有想法 fangmin723 发表于 2024-6-11 15:46
不是，批量打印我用lisp写了个，.NET版，暂时没有想法
厉害了，自给自足 芜湖,居然看到了更新了getvar,但是这个事务怎么没有using(xx);短写 你有种再说一遍 发表于 2024-6-11 18:21
芜湖,居然看到了更新了getvar,但是这个事务怎么没有using(xx);短写
从网站上看抄来的，为了新手的可读性，我就没改动他了
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