C# ActiveX开发及安装部署
2015-08-06 09:31
561 查看
最近项目中，因为需要在WEB页面上操作串口，包括串口查询、打开、发送指令、接收数据、关闭串口等功能。如下所示：
考虑使用ActiveX来实现。因为以前没有这方面的经验，开发过程中也是遇到各种问题。废话不多说，下面进入正题：
1：打开VS2008，新建项目，以下是具体代码：
1 using System;
2 using System.Collections.Generic;
3 using System.Windows.Forms;
4 using System.IO.Ports;
5 using System.IO;
6 using System.Reflection;
7 using System.Runtime.InteropServices;
8 using mshtml;
9 using System.Text;
10 using Microsoft.Win32;
11 using System.Threading;
12
13 namespace WebSerial
14 {
15 [ProgId("WebSerial")]//控件名称
16 [ClassInterface(ClassInterfaceType.AutoDual), ComSourceInterfaces(typeof(ControlEvents))]
17 [Guid("6C6A0DE4-193A-48f5-BA91-3C180558785B")]//控件的GUID，用于COM注册和HTML中Object对象classid引用
18 [ComVisible(true)]
19 public partial class SerialPortControl : UserControl,IObjectSafety
20 {
21 ExSerialPort serialPort;
22 List%26lt;byte%26gt; buffer = new List%26lt;byte%26gt;(4096);
23
24 /// %26lt;summary%26gt;
25 /// 是否准备关闭串口
26 /// %26lt;/summary%26gt;
27 private static bool m_IsTryToClosePort = false;
28 /// %26lt;summary%26gt;
29 /// 是否正在接收数据
30 /// %26lt;/summary%26gt;
31 private static bool m_IsReceiving = false;
32 public SerialPortControl()
33 {
34
35 }
36
37 /// %26lt;summary%26gt;
38 /// 获取本地串口列表，以逗号隔开
39 /// %26lt;/summary%26gt;
40 /// %26lt;returns%26gt;%26lt;/returns%26gt;
41 public string getComPorts()
42 {
43 string ports = "";
44 foreach (string s in ExSerialPort.GetPortNames())
45 {
46 ports += "," + s;
47 }
48 return ports.Length %26gt; 0 ? ports.Substring(1) : "";
49 }
50
51 /// %26lt;summary%26gt;
52 /// 以指定串口号和波特率连接串口
53 /// %26lt;/summary%26gt;
54 /// %26lt;param name="com"%26gt;端口号%26lt;/param%26gt;
55 /// %26lt;param name="baudRate"%26gt;波特率%26lt;/param%26gt;
56 /// %26lt;returns%26gt;%26lt;/returns%26gt;
57 [ComVisible(true)]
58 public string connect(string com, int baudRate)
59 {
60 close();
61 serialPort = null;
62 serialPort = new ExSerialPort(com);
63 serialPort.BaudRate = baudRate;
64 serialPort.Parity = Parity.None;
65 serialPort.DataBits = 8;
66 serialPort.Encoding = Encoding.ASCII;
67 serialPort.ReceivedBytesThreshold = 5;
68 serialPort.ReadBufferSize = 102400;
69
70 try
71 {
72 serialPort.Open();
73 if (serialPort.IsOpen)
74 {
75 m_IsTryToClosePort = false;
76 this.clear();
77 serialPort.DataReceived += new SerialDataReceivedEventHandler(serialPort_DataReceived);
78 return "true";
79 }
80 }
81 catch { }
82
83 return "false";
84 }
85
86 /// %26lt;summary%26gt;
87 /// 清理串口数据并关闭串口
88 /// %26lt;/summary%26gt;
89 [ComVisible(true)]
90 public void close()
91 {
92 m_IsTryToClosePort = true;
93 while (m_IsReceiving)
94 {
95 Application.DoEvents();
96 }
97
98 if (serialPort != null)
99 {
100 serialPort.Dispose();
101 }
102 }
103
104 /// %26lt;summary%26gt;
105 /// 清理串口数据
106 /// %26lt;/summary%26gt;
107 [ComVisible(true)]
108 public void clear()
109 {
110 if (serialPort != null %26amp;%26amp; serialPort.IsOpen)
111 {
112 serialPort.Clear();
113 }
114 }
115
116 /// %26lt;summary%26gt;
117 /// 发送字符串
118 /// %26lt;/summary%26gt;
119 /// %26lt;param name="s"%26gt;%26lt;/param%26gt;
120 [ComVisible(true)]
121 public void writeString(string hexString)
122 {
123 if (serialPort != null %26amp;%26amp; serialPort.IsOpen)
124 {
125 byte[] bytes = strToToHexByte(hexString);
126 serialPort.Write(bytes, 0, bytes.Length);
127 }
128 }
129
130 /// %26lt;summary%26gt;
131 /// 字符串转16进制字节数组
132 /// %26lt;/summary%26gt;
133 /// %26lt;param name="hexString"%26gt;%26lt;/param%26gt;
134 /// %26lt;returns%26gt;%26lt;/returns%26gt;
135 private static byte[] strToToHexByte(string hexString)
136 {
137 hexString = hexString.Replace(" ", "");
138 if ((hexString.Length % 2) != 0)
139 hexString += " ";
140 byte[] returnBytes = new byte[hexString.Length / 2];
141 for (int i = 0; i %26lt; returnBytes.Length; i++)
142 returnBytes[i] = Convert.ToByte(hexString.Substring(i * 2, 2), 16);
143 return returnBytes;
144 }
145
146 /// %26lt;summary%26gt;
147 /// 字节数组转字符串16进制
148 /// %26lt;/summary%26gt;
149 /// %26lt;param name="InBytes"%26gt; 二进制字节 %26lt;/param%26gt;
150 /// %26lt;returns%26gt;类似"01 02 0F" %26lt;/returns%26gt;
151 public static string ByteToString(byte[] InBytes)
152 {
153 string StringOut = "";
154 foreach (byte InByte in InBytes)
155 {
156 //StringOut += String.Format("{0:X2}", InByte) + " ";
157 StringOut += " " + InByte.ToString("X").PadLeft(2, '0');
158 }
159
160 return StringOut.Trim();
161 }
162
163 /// %26lt;summary%26gt;
164 /// 接收数据
165 /// %26lt;/summary%26gt;
166 /// %26lt;param name="sender"%26gt;%26lt;/param%26gt;
167 /// %26lt;param name="e"%26gt;%26lt;/param%26gt;
168 void serialPort_DataReceived(object sender, SerialDataReceivedEventArgs e)
169 {
170 if (m_IsTryToClosePort)
171 {
172 return;
173 }
174
175 m_IsReceiving = true;
176
177 try
178 {
179 int n = serialPort.BytesToRead;
180 if (n %26gt; 0)
181 {
182 byte[] buf = new byte
;
183 serialPort.Read(buf, 0, n);
184 string dataString = ByteToString(buf);
185 Receive(dataString);
186 }
187
188 ////1.缓存数据
189 //buffer.AddRange(buf);
190 ////2.完整性判断
191 //while (buffer.Count %26gt;= 5) //至少包含帧头（2字节）、长度（1字节）、校验位（1字节）；根据设计不同而不同
192 //{
193 // //2.1 查找数据头
194 // if (buffer[0] == 0xff %26amp;%26amp; buffer[1] == 0x55) //传输数据有帧头，用于判断
195 // {
196 // int len = buffer[2];
197 // if (buffer.Count %26lt; len + 4) //数据区尚未接收完整
198 // {
199 // break;
200 // }
201 // //得到完整的数据，复制到ReceiveBytes中进行校验
202 // byte[] ReceiveBytes = new byte[len + 4];
203 // buffer.CopyTo(0, ReceiveBytes, 0, len + 4);
204
205 // byte checkByte = ReceiveBytes[len + 3];//获取校验字节
206 // byte realCheckByte = 0x00;
207 // realCheckByte -= buffer[2];
208 // for (int packIndex = 0; packIndex %26lt; len; packIndex++)//将后面的数据加起来
209 // {
210 // realCheckByte -= ReceiveBytes[packIndex + 3];
211 // }
212
213 // if (checkByte == realCheckByte)//验证，看数据是否合格
214 // {
215 // string dataString = ByteToString(ReceiveBytes);
216 // Receive(dataString);
217 // }
218 // buffer.RemoveRange(0, len + 4);
219 // }
220 // else //帧头不正确时，清除
221 // {
222 // buffer.RemoveAt(0);
223 // }
224
225 //}
226 }
227 finally
228 {
229 m_IsReceiving = false;
230 }
231 }
232
233 public event ControlEventHandler OnReceive;
234 [ComVisible(true)]
235 private void Receive(string dataString)
236 {
237 if (OnReceive != null)
238 {
239 OnReceive(dataString); //Calling event that will be catched in JS
240 }
241 }
242
243 /// %26lt;summary%26gt;
244 /// Register the class as a control and set it's CodeBase entry
245 /// %26lt;/summary%26gt;
246 /// %26lt;param name="key"%26gt;The registry key of the control%26lt;/param%26gt;
247 [ComRegisterFunction()]
248 public static void RegisterClass(string key)
249 {
250 // Strip off HKEY_CLASSES_ROOT\ from the passed key as I don't need it
251 StringBuilder sb = new StringBuilder(key);
252
253 sb.Replace(@"HKEY_CLASSES_ROOT\", "");
254 // Open the CLSID\{guid} key for write access
255 RegistryKey k = Registry.ClassesRoot.OpenSubKey(sb.ToString(), true);
256
257 // And create the 'Control' key - this allows it to show up in
258 // the ActiveX control container
259 RegistryKey ctrl = k.CreateSubKey("Control");
260 ctrl.Close();
261
262 // Next create the CodeBase entry - needed if not string named and GACced.
263 RegistryKey inprocServer32 = k.OpenSubKey("InprocServer32", true);
264 inprocServer32.SetValue("CodeBase", Assembly.GetExecutingAssembly().CodeBase);
265 inprocServer32.Close();
266 // Finally close the main key
267 k.Close();
268 MessageBox.Show("Registered");
269 }
270
271 /// %26lt;summary%26gt;
272 /// Called to unregister the control
273 /// %26lt;/summary%26gt;
274 /// %26lt;param name="key"%26gt;Tke registry key%26lt;/param%26gt;
275 [ComUnregisterFunction()]
276 public static void UnregisterClass(string key)
277 {
278 StringBuilder sb = new StringBuilder(key);
279 sb.Replace(@"HKEY_CLASSES_ROOT\", "");
280
281 // Open HKCR\CLSID\{guid} for write access
282 RegistryKey k = Registry.ClassesRoot.OpenSubKey(sb.ToString(), true);
283
284 // Delete the 'Control' key, but don't throw an exception if it does not exist
285 k.DeleteSubKey("Control", false);
286
287 // Next open up InprocServer32
288 //RegistryKey inprocServer32 =
289 k.OpenSubKey("InprocServer32", true);
290
291 // And delete the CodeBase key, again not throwing if missing
292 k.DeleteSubKey("CodeBase", false);
293
294 // Finally close the main key
295 k.Close();
296 MessageBox.Show("UnRegistered");
297 }
298
299 #region IObjectSafety 成员
300 public void GetInterfacceSafyOptions(int riid, out int pdwSupportedOptions, out int pdwEnabledOptions)
301 {
302 pdwSupportedOptions = 1;
303 pdwEnabledOptions = 2;
304 }
305 public void SetInterfaceSafetyOptions(int riid, int dwOptionsSetMask, int dwEnabledOptions)
306 {
307 throw new NotImplementedException();
308 }
309 #endregion
310
311 #region IObjectSafety 成员
312
313 private const string _IID_IDispatch = "{00020400-0000-0000-C000-000000000046}";
314 private const string _IID_IDispatchEx = "{a6ef9860-c720-11d0-9337-00a0c90dcaa9}";
315 private const string _IID_IPersistStorage = "{0000010A-0000-0000-C000-000000000046}";
316 private const string _IID_IPersistStream = "{00000109-0000-0000-C000-000000000046}";
317 private const string _IID_IPersistPropertyBag = "{37D84F60-42CB-11CE-8135-00AA004BB851}";
318
319 private const int INTERFACESAFE_FOR_UNTRUSTED_CALLER = 0x00000001;
320 private const int INTERFACESAFE_FOR_UNTRUSTED_DATA = 0x00000002;
321 private const int S_OK = 0;
322 private const int E_FAIL = unchecked((int)0x80004005);
323 private const int E_NOINTERFACE = unchecked((int)0x80004002);
324
325 private bool _fSafeForScripting = true;
326 private bool _fSafeForInitializing = true;
327
328
329 public int GetInterfaceSafetyOptions(ref Guid riid, ref int pdwSupportedOptions, ref int pdwEnabledOptions)
330 {
331 int Rslt = E_FAIL;
332
333 string strGUID = riid.ToString("B");
334 pdwSupportedOptions = INTERFACESAFE_FOR_UNTRUSTED_CALLER | INTERFACESAFE_FOR_UNTRUSTED_DATA;
335 switch (strGUID)
336 {
337 case _IID_IDispatch:
338 case _IID_IDispatchEx:
339 Rslt = S_OK;
340 pdwEnabledOptions = 0;
341 if (_fSafeForScripting == true)
342 pdwEnabledOptions = INTERFACESAFE_FOR_UNTRUSTED_CALLER;
343 break;
344 case _IID_IPersistStorage:
345 case _IID_IPersistStream:
346 case _IID_IPersistPropertyBag:
347 Rslt = S_OK;
348 pdwEnabledOptions = 0;
349 if (_fSafeForInitializing == true)
350 pdwEnabledOptions = INTERFACESAFE_FOR_UNTRUSTED_DATA;
351 break;
352 default:
353 Rslt = E_NOINTERFACE;
354 break;
355 }
356
357 return Rslt;
358 }
359
360 public int SetInterfaceSafetyOptions(ref Guid riid, int dwOptionSetMask, int dwEnabledOptions)
361 {
362 int Rslt = E_FAIL;
363
364 string strGUID = riid.ToString("B");
365 switch (strGUID)
366 {
367 case _IID_IDispatch:
368 case _IID_IDispatchEx:
369 if (((dwEnabledOptions %26amp; dwOptionSetMask) == INTERFACESAFE_FOR_UNTRUSTED_CALLER) %26amp;%26amp;
370 (_fSafeForScripting == true))
371 Rslt = S_OK;
372 break;
373 case _IID_IPersistStorage:
374 case _IID_IPersistStream:
375 case _IID_IPersistPropertyBag:
376 if (((dwEnabledOptions %26amp; dwOptionSetMask) == INTERFACESAFE_FOR_UNTRUSTED_DATA) %26amp;%26amp;
377 (_fSafeForInitializing == true))
378 Rslt = S_OK;
379 break;
380 default:
381 Rslt = E_NOINTERFACE;
382 break;
383 }
384
385 return Rslt;
386 }
387
388 #endregion
389 }
390
391 /// %26lt;summary%26gt;
392 /// Event handler for events that will be visible from JavaScript
393 /// %26lt;/summary%26gt;
394 public delegate void ControlEventHandler(string dataString);
395
396 /// %26lt;summary%26gt;
397 /// This interface shows events to javascript
398 /// %26lt;/summary%26gt;
399 [Guid("68BD4E0D-D7BC-4cf6-BEB7-CAB950161E79")]
400 [InterfaceType(ComInterfaceType.InterfaceIsIDispatch)]
401 public interface ControlEvents
402 {
403 //Add a DispIdAttribute to any members in the source interface to specify the COM DispId.
404 [DispId(0x60020001)]
405 void OnReceive(string dataString); //This method will be visible from JS
406 }
407
408 public class ExSerialPort : SerialPort
409 {
410 public ExSerialPort(string name)
411 : base(name)
412 {
413 }
414
415 public void Clear()
416 {
417 try
418 {
419 if (this.IsOpen)
420 {
421 this.DiscardInBuffer();
422 this.DiscardOutBuffer();
423 }
424 }
425 catch { }
426 }
427
428 protected override void Dispose(bool disposing)
429 {
430 Clear();
431
432 var stream = (Stream)typeof(SerialPort).GetField("internalSerialStream", BindingFlags.Instance | BindingFlags.NonPublic).GetValue(this);
433
434 if (stream != null)
435 {
436 stream.Dispose();
437 }
438
439 base.Dispose(disposing);
440 }
441 }
442 }
View Code
2：新建安装项目，将上面项目DLL打包生成Msi安装文件。这里不多说，网上大把文章教你怎么做。
3：新建Web项目，具体代码如下：
1 %26lt;html%26gt;
2 %26lt;head%26gt;
3 %26lt;title%26gt;JavaScript串口测试%26lt;/title%26gt;
4 %26lt;meta http-equiv="Content-Type" content="text/html; charset=GB2312" /%26gt;
5 %26lt;script language="javascript" type="text/javascript"%26gt;
6 %26lt;!--
7 function getComPorts()
8 {
9 var ports = webSerial.getComPorts();
10 var arr = ports.split(',');
11 var ctl = document.getElementById("ComName");
12 if(ctl)
13 {
14 ctl.options.length = 0;
15 for(var i=0;i%26lt;arr.length;i++)
16 {
17 ctl.options[i] = new Option(arr[i],arr[i]);
18 }
19 }
20 }
21
22 function connectComPort()
23 {
24 var com = document.getElementById("ComName").value.toString();
25 var baudRate = document.getElementById("BaudRate").value;
26 var result = webSerial.connect(com,baudRate);
27 alert(result);
28 }
29
30 function clearComPort()
31 {
32 webSerial.clear();
33 alert("清理串口成功!");
34 }
35
36 function closeComPort()
37 {
38 webSerial.close();
39 alert("关闭串口成功!");
40 }
41
42 function writeString()
43 {
44 var hexString = document.getElementById("txtSend").value.toString();
45 webSerial.writeString(hexString);
46 alert("发送指令成功!");
47 }
48
49 function clearSend()
50 {
51 document.getElementById("txtSend").innerText="";
52 }
53
54 function clearReceive()
55 {
56 document.getElementById("txtReceive").innerText="";
57 }
58
59 function startTime()
60 {
61 var today=new Date()
62 var h=today.getHours()
63 var m=today.getMinutes()
64 var s=today.getSeconds()
65 // add a zero in front of numbers%26lt;10
66 m=checkTime(m)
67 s=checkTime(s)
68 document.getElementById('lblTime').innerHTML=h+":"+m+":"+s
69 t=setTimeout('startTime()',500)
70 }
71
72 function checkTime(i)
73 {
74 if (i%26lt;10)
75 {i="0" + i}
76 return i
77 }
78
79 --%26gt;
80 %26lt;/script%26gt;
81
82 %26lt;/head%26gt;
83 %26lt;body onload="startTime()" onunload="closeComPort()"%26gt;
84 %26lt;form name="form1"%26gt;
85 %26lt;fieldset style="width:225px;height:180px;text-align:center;"%26gt;
86 %26lt;legend%26gt;串口%26lt;/legend%26gt;
87 %26lt;div style="float:left;width:250px"%26gt;
88 %26lt;br/%26gt;
89 %26lt;span%26gt;串口号:%26lt;/span%26gt;
90 %26lt;select name="ComName" id="ComName" style="width:100px" %26gt;
91 %26lt;/select%26gt;
92 %26lt;br/%26gt;
93 %26lt;span%26gt;波特率:%26lt;/span%26gt;
94 %26lt;select name="BaudRate" id="BaudRate" style="width:100px" %26gt;
95 %26lt;option value="9600" selected="selected"%26gt;9600%26lt;/option%26gt;
96 %26lt;option value="57600" %26gt;57600%26lt;/option%26gt;
97 %26lt;option value="115200" %26gt;115200%26lt;/option%26gt;
98 %26lt;option value="1382400" %26gt;1382400%26lt;/option%26gt;
99 %26lt;option value="3000000" %26gt;3000000%26lt;/option%26gt;
100 %26lt;/select%26gt;
101 %26lt;br/%26gt;
102 %26lt;br/%26gt;
103 %26lt;input type="button" id="btnGetPort" style="width:80px;height:30px;font-size:13px" name="btnGetPort" value="获取串口" onclick="getComPorts()"/%26gt;
104 %26lt;input type="button" id="btnOpenPort" style="width:80px;height:30px;font-size:13px" name="btnOpenPort" value="打开串口" onclick="connectComPort()"/%26gt;
105 %26lt;input type="button" id="btnClearPort" style="width:80px;height:30px;font-size:13px" name="btnClearPort" value="清理串口" onclick="clearComPort()"/%26gt;
106 %26lt;input type="button" id="btnClosePort" style="width:80px;height:30px;font-size:13px" name="btnClosePort" value="关闭串口" onclick="closeComPort()"/%26gt;
107 %26lt;/div%26gt;
108 %26lt;/fieldset%26gt;
109 %26lt;br /%26gt;%26lt;br /%26gt;
110 %26lt;fieldset style="width:800px;height:150px;text-align:center;"%26gt;
111 %26lt;legend%26gt;发送区域%26lt;/legend%26gt;
112 %26lt;div align="left"%26gt;V6-握手指令： FF 55 01 01 FE%26lt;/div%26gt;
113 %26lt;div align="left"%26gt;V6-50HZ采集：FF 55 05 03 20 4E 00 00 8A%26lt;/div%26gt;
114 %26lt;div align="left"%26gt;V6-停止指令： FF 55 01 10 EF%26lt;/div%26gt;
115 %26lt;div style="float:left;"%26gt;
116 %26lt;textarea id="txtSend" name="txtSend" style="width:800px;height:80px"%26gt;%26lt;/textarea%26gt;
117 %26lt;br/%26gt;
118 %26lt;input type="button" id="btnSend" style="width:100px;height:30px" name="btnSend" value="发送" onclick="writeString()"/%26gt;
119 %26lt;input type="button" id="btnClearSend" style="width:100px;height:30px" name="btnClearSend" value="清空" onclick="clearSend()"/%26gt;
120 %26lt;/div%26gt;
121 %26lt;/fieldset%26gt;
122 %26lt;br /%26gt;%26lt;br /%26gt;
123 %26lt;fieldset style="width:800px;height:500px;text-align:center;"%26gt;
124 %26lt;legend%26gt;接收区域%26lt;/legend%26gt;
125 %26lt;div style="float:left;"%26gt;
126 %26lt;textarea id="txtReceive" readonly="readonly" name="txtReceive" style="width:800px;height:430px"%26gt;%26lt;/textarea%26gt;
127 %26lt;br/%26gt;
128 %26lt;input type="button" id="btnClearReceive" style="width:100px;height:30px" name="btnClearReceive" value="清空" onclick="clearReceive()"/%26gt;
129 %26lt;/div%26gt;
130 %26lt;/fieldset%26gt;
131 %26lt;span id="lblTime"%26gt;%26lt;/span%26gt;
132 %26lt;/form%26gt;
133
134 %26lt;p%26gt;
135
136 %26lt;object classid="clsid:6C6A0DE4-193A-48f5-BA91-3C180558785B" codebase="../WebSerialSetup.msi" width="442" height="87" id="webSerial" name="webSerial"%26gt;
137 %26lt;/object%26gt;
138 %26lt;/p%26gt;
139
140 %26lt;!-- Attaching to an ActiveX event--%26gt;
141 %26lt;script language="javascript" type="text/javascript"%26gt;
142 function webSerial::OnReceive(dataString)
143 {
144 document.getElementById("txtReceive").value += dataString+"\r\n";;
145 }
146 %26lt;/script%26gt;
147 %26lt;/body%26gt;
148 %26lt;/html%26gt;
View Code
%26nbsp; %26nbsp; %26nbsp; 在使用JS调用ActiveX的时候碰上问题一：方法可以成功调用，而事件却调用失败。网上文章大都是说JS如何调ActiveX,而ActiveX这边的方法或者事件需要满足什么条件才能被JS成功调用却少有涉及。正当我山穷水尽疑无路的时候，事情有了转折，无意中看到一篇老外写的文章。链接地址是：http://www.codeproject.com/Articles/24089/Create-ActiveX-in-NET-Step-by-Step。才知道事件需要实现一个接口才能被JS识别。所以这部分代码后面被加上去了：
/// %26lt;summary%26gt;
/// Event handler for events that will be visible from JavaScript
/// %26lt;/summary%26gt;
public delegate void ControlEventHandler(string dataString);
/// %26lt;summary%26gt;
/// This interface shows events to javascript
/// %26lt;/summary%26gt;
[Guid("68BD4E0D-D7BC-4cf6-BEB7-CAB950161E79")]
[InterfaceType(ComInterfaceType.InterfaceIsIDispatch)]
public interface ControlEvents
{
//Add a DispIdAttribute to any members in the source interface to specify the COM DispId.
[DispId(0x60020001)]
void OnReceive(string dataString); //This method will be visible from JS
}
控件类名前面也加上这个
[ClassInterface(ClassInterfaceType.AutoDual), ComSourceInterfaces(typeof(ControlEvents))]
事件定义如下：
public event ControlEventHandler OnReceive;
[ComVisible(true)]
private void Receive(string dataString)
{
if (OnReceive != null)
{
OnReceive(dataString); //Calling event that will be catched in JS
}
}
本地打开网页，执行全部功能，操作正常，大功告成！！！
%26nbsp;
随后我把网页在本地发布并使用局域网中其他电脑（操作系统WIN7）IE访问该网页。那么问题来了：
1：机器弹出对话框拒绝安装当前ActiveX。经过对IE internet选项设置，放开对无签名ActiveX访问限制后。有的机器能弹出安装对话框，有的机器仍然坚决禁止。而且就算是弹出安装对话框，在确认安装后，对话框消失，插件也没装上。。。
好吧，这个问题也是没搞明白啥原因。后面时间紧迫，只好给客户一个下载链接，自己去点击下载。
2：下载安装包并安装完毕后，在客户机器上操作网页功能。前面几个按钮功能都OK，但是在填入指令点击发送，网页出现崩溃重新刷新的情况，而且换了几台机器都是这样。后面想起在生成安装包的时候，有弹出一个对话框，提示Visual Studio registry capture utility 已停止工作。百度一番后，找到解决方法：在Microsoft%26nbsp;Visual%26nbsp;Studio%26nbsp;9.0/Common7/Tools/Deployment%26nbsp;路径下面的regcap.exe文件，点击右键在属性页面中，选择兼容性页面，选中%26ldquo;以兼容模式运行%26rdquo;框就好了。兼容win7%26nbsp;就行。
相应设置后，重新生成安装文件。。。在客户机上安装后，一切正常！！！
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