c#cad交互修改引线内容
时间: 2023-07-27 21:31:28 浏览: 55
可以使用AutoCAD的COM接口来实现c#与AutoCAD之间的交互,通过修改引线的属性来实现修改引线内容的功能。下面是一个示例代码:
```csharp
using System;
using Autodesk.AutoCAD.Interop;
using Autodesk.AutoCAD.Interop.Common;
namespace ModifyLeaderText
{
class Program
{
static void Main(string[] args)
{
// 打开AutoCAD程序
AcadApplication acadApp = new AcadApplication();
acadApp.Visible = true;
// 获取当前文档
AcadDocument acadDoc = acadApp.ActiveDocument;
// 选择引线对象
AcadSelectionSets ss = acadDoc.SelectionSets.Add("MySelectionSet");
ss.SelectOnScreen();
AcadEntity leader = ss.Item(0) as AcadEntity;
// 修改引线的内容
if (leader is AcadLeader)
{
AcadLeader leaderObj = leader as AcadLeader;
leaderObj.Annotative = true;
leaderObj.ContentType = AcLeaderContentType.acMTextContent;
leaderObj.MText = "New leader text";
leaderObj.Update();
}
// 关闭选择集
ss.Delete();
// 关闭AutoCAD程序
acadApp.Quit();
}
}
}
```
注意:在使用COM接口时,需要确保AutoCAD程序已经启动,否则会出现异常。