GVim X C#

GVIM与其他Win32应用程序的集成有很多方式，照着手册调用了一下，结果vim.eval几乎失败了，百思不得其解 gvim --windowid HWND倒是成功了

 1 //!C:\windows\Microsoft.NET\Framework\v2.0.50727\csc % && %<.exe & pause
 2
 3 using System;
 4 using System.Timers;
 5 using System.Drawing;
 6 using System.Diagnostics;
 7 using System.Windows.Forms;
 8 using System.Reflection;
 9
10 using Timer=System.Timers.Timer;    //There are 3...
11
12 public class myform : Form{
13         private PictureBox pb;
14         private Timer      tm;
15         private Object     vimServer;
16         private Type     vimServerType;
17
18         public static void Main(String[] args){
19                 Application.Run(new myform());
20         }
21
22         public  myform(){
23                 SetControls();
24                 SetTimer();
25         }
26
27         void SetTimer(){
28                 tm           = new Timer(1000);
29                 tm.Elapsed  += OnTimer;
30                 tm.AutoReset = true;
31                 tm.Enabled   = true;
32         }
33
34         void SetControls(){
35                 pb           = new PictureBox();
36                 pb.Dock              = DockStyle.Fill;
37                 pb.BackColor         = Color.FromArgb(255,0, 0, 255);
38                 this.Controls.AddRange(new Control[]{pb, });
39                 Process.Start("gvim.exe", String.Format("--windowid {0}", pb.Handle));
40         }
41
42         void GetVimObject(){
43                 vimServerType     = Type.GetTypeFromProgID("Vim.Application");
44                 vimServer     = System.Activator.CreateInstance(vimServerType);            
45         }
46
47         public void OnTimer(Object Sender, ElapsedEventArgs e){
48                 try{
49                         GetVimObject();
50
51                         String cmd = "bufname(bufnr('.'))";
52                         Console.WriteLine("{0}:{1}",cmd, (String)vimServerType.InvokeMember(
53                                 "Eval",
54                                 BindingFlags.InvokeMethod,
55                                 null,
56                                 vimServer,
57                                 new object[]{cmd},
58                                 null,null,null));
59                 }catch(Exception ex){Console.WriteLine(ex.ToString());}
60         }
61 }
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