AutoCAD中static 和 instance class的区别-白红宇

AutoCAD中static 和 instance class的区别

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发布时间：2019-06-14

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using Autodesk.AutoCAD.ApplicationServices;using Autodesk.AutoCAD.Runtime;using Autodesk.AutoCAD.EditorInput;[assembly: CommandClass(typeof(CommandClasses.FirstClass))][assembly: CommandClass(typeof(CommandClasses.SecondClass))]namespace CommandClasses{  static public class FirstClass  {    private static int counter = 0;    [Autodesk.AutoCAD.Runtime.CommandMethod("glob")]    public static void global()    {      Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;      ed.WriteMessage("\nCounter value is: " + counter++);    }  }  public class SecondClass  {    private int counter = 0;    [Autodesk.AutoCAD.Runtime.CommandMethod("loc")]    public void local()    {      Editor ed = Application.DocumentManager.MdiActiveDocument.Editor;      ed.WriteMessage("\nCounter value is: " + counter++);    }  }}
 

Here’s what happens when you execute the two commands in two separate documents:

[From first drawing...]

Command: glob
Counter value is: 0
Command: glob
Counter value is: 1
Command: glob
Counter value is: 2
Command: loc
Counter value is: 0
Command: loc
Counter value is: 1
Command: loc
Counter value is: 2
Command: new

[From second drawing...]

Command: glob
Counter value is: 3
Command: glob
Counter value is: 4
Command: glob
Counter value is: 5
Command: loc
Counter value is: 0
Command: loc
Counter value is: 1
Command: loc
Counter value is: 2