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COM中的事件响应.html
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COM中的事件响应.html
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<div class=Section1>
<p class=MsoNormal align=center style='text-align:center;mso-layout-grid-align:
none;text-autospace:none'><b style='mso-bidi-font-weight:normal'><span
style='font-size:22.0pt;font-family:宋体;mso-hansi-font-family:"Times New Roman";
mso-bidi-font-family:宋体;color:black;mso-font-kerning:0pt;mso-ansi-language:
ZH-CN'>COM中的事件响应<o:p></o:p></span></b></p>
<p class=MsoNormal align=center style='text-align:center;mso-layout-grid-align:
none;text-autospace:none'><b style='mso-bidi-font-weight:normal'><span
style='font-size:22.0pt;font-family:宋体;mso-hansi-font-family:"Times New Roman";
mso-bidi-font-family:宋体;color:black;mso-font-kerning:0pt;mso-ansi-language:
ZH-CN'><o:p> </o:p></span></b></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span style='font-size:9.0pt;font-family:宋体;
mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt;mso-ansi-language:ZH-CN'>1。client向source object查询IConnectionPointContainer接口。这意味着所有的可连接对象(源对象)必须实现IConnectionPointCotainer接口，如果一个对象没有实现IConnectionPointCotainer，他就不能发出任何消息(event)<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span style='font-size:9.0pt;font-family:宋体;
mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt;mso-ansi-language:ZH-CN'>2。如果QueryInterface成功，client传递他想接受的event接口的IID(IConnectionPointContainer::FindConnectionPoint)。如果可连接对象提供这个接口，他就会返回一个连接点对象的接口的指针。或者由client调用IConnectionPointContainer::EnumConnectionPoints来获得一个枚举对象（enumerator），这样他就可以检查所有的被提供的连接点（并看看他们能不能被使用）<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span style='font-size:9.0pt;font-family:宋体;
mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt;mso-ansi-language:ZH-CN'>3。假设我们获得了一个连接点的指针，client在这个接口上调用IConnectionPoint::Advise，传递一个指向将最终接受event的mini-object的IUnkonow指针。Client将负责保存从Advise返回的cookie值。<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span style='font-size:9.0pt;font-family:宋体;
mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt;mso-ansi-language:ZH-CN'>4。在这个连接点上，client将接受接口指针传来的event。<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span style='font-size:9.0pt;font-family:宋体;
mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt;mso-ansi-language:ZH-CN'>5。当他想停止接受events的时候（比如他要shuts down的时候），就调用IConnectionPoint::Unadvise，并把在第三步保存的cookie值传给他<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span style='font-size:9.0pt;font-family:宋体;
mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt;mso-ansi-language:ZH-CN'><o:p> </o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span style='font-size:9.0pt;font-family:宋体;
mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt;mso-ansi-language:ZH-CN'>MSDN里面有更详细的说明，还有一个用VC写的office com
addins例子，里面用到连接点，下载下来看看。<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span style='font-size:9.0pt;font-family:宋体;
mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt;mso-ansi-language:ZH-CN'><o:p> </o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span style='font-size:9.0pt;font-family:宋体;
mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt;mso-ansi-language:ZH-CN'>比较简单：<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span style='font-size:9.0pt;font-family:宋体;
mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt;mso-ansi-language:ZH-CN'>首先加入atl支持<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span style='font-size:9.0pt;font-family:宋体;
mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt;mso-ansi-language:ZH-CN'>然后实现一个eventhander:<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span style='font-size:9.0pt;font-family:宋体;
mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt;mso-ansi-language:ZH-CN'><o:p> </o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span style='font-size:9.0pt;font-family:宋体;
mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt;mso-ansi-language:ZH-CN'>class CClickerEventHandler :<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span style='font-size:9.0pt;font-family:宋体;
mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt;mso-ansi-language:ZH-CN'>public IDispEventImpl<1,
CClickerEventHandler,&DIID__IClickItEvents,&LIBID_CLICKERLib, 1, 0><o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span style='font-size:9.0pt;font-family:宋体;
mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt;mso-ansi-language:ZH-CN'>{<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span style='font-size:9.0pt;font-family:宋体;
mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt;mso-ansi-language:ZH-CN'><span style='mso-tab-count:1'> </span>public:<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span style='font-size:9.0pt;font-family:宋体;
mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt;mso-ansi-language:ZH-CN'><o:p> </o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span style='font-size:9.0pt;font-family:宋体;
mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt;mso-ansi-language:ZH-CN'><span style='mso-tab-count:1'> </span>BEGIN_SINK_MAP(CClickerEventHandler)<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span style='font-size:9.0pt;font-family:宋体;
mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt;mso-ansi-language:ZH-CN'><span style='mso-tab-count:2'> </span>SINK_ENTRY_EX(1,
DIID__IClickItEvents, 1, OnCtrlMouseClick)<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span style='font-size:9.0pt;font-family:宋体;
mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt;mso-ansi-language:ZH-CN'><span style='mso-tab-count:2'> </span></span><span
lang=EN-US style='font-size:9.0pt;font-family:宋体;mso-hansi-font-family:"Times New Roman";
mso-bidi-font-family:宋体;color:black;mso-font-kerning:0pt'>SINK_ENTRY_<span
class=GramE>EX(</span>1, DIID__IClickItEvents, 2, OnCtrlMouseMove)<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><span style='mso-tab-count:2'> </span>SINK_ENTRY_<span
class=GramE>EX(</span>1, DIID__IClickItEvents, 3, OnCtrlError)<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><span style='mso-tab-count:1'> </span>END_SINK_<span
class=GramE>MAP()</span><o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><span style='mso-tab-count:1'> </span>CClickerClientDlg*
m_Parent;<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><o:p> </o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><span style='mso-tab-count:1'> </span><span
class=GramE>CClickerEventHandler(</span>CClickerClientDlg* parent)<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><span style='mso-tab-count:1'> </span>{<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><span style='mso-tab-count:2'> </span>m_Parent
= parent;<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><span style='mso-tab-count:1'> </span>}<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><span style='mso-tab-count:1'> </span><span
class=GramE>void</span> __stdcall OnCtrlMouseClick(long x, long y)<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><span style='mso-tab-count:1'> </span>{<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><span style='mso-tab-count:2'> </span>m_Parent->OnCtrlMouseClick(x,
y);<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><span style='mso-tab-count:1'> </span>}<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><o:p> </o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><span style='mso-tab-count:1'> </span><span
class=GramE>void</span> __stdcall OnCtrlMouseMove(long x, long y)<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><span style='mso-tab-count:1'> </span>{<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><span style='mso-tab-count:2'> </span>m_Parent->OnCtrlMouseMove(x,
y);<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><span style='mso-tab-count:1'> </span>}<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><o:p> </o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><span style='mso-tab-count:1'> </span><span
class=GramE>void</span> __stdcall OnCtrlError(BSTR errorMsg)<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><span style='mso-tab-count:1'> </span>{<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><span style='mso-tab-count:2'> </span><span
class=GramE>char</span> msg[128];<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><span style='mso-tab-count:2'> </span><span
class=GramE>WideCharToMultiByte(</span>CP_ACP, 0, errorMsg, -1, msg,
sizeof(msg), NULL, NULL);<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><span style='mso-tab-count:2'> </span>m_Parent-><span
class=GramE>OnCtrlError(</span>msg);<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><o:p> </o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><span style='mso-tab-count:1'> </span>}<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><o:p> </o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'>};<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span style='font-size:9.0pt;font-family:宋体;
mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt;mso-ansi-language:ZH-CN'>然后</span><span lang=EN-US
style='font-size:9.0pt;font-family:宋体;mso-hansi-font-family:"Times New Roman";
mso-bidi-font-family:宋体;color:black;mso-font-kerning:0pt'><o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span style='font-size:9.0pt;font-family:宋体;
mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt;mso-ansi-language:ZH-CN'>在主程序中</span><span lang=EN-US
style='font-size:9.0pt;font-family:宋体;mso-hansi-font-family:"Times New Roman";
mso-bidi-font-family:宋体;color:black;mso-font-kerning:0pt'><o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><span style='mso-tab-count:1'> </span>ceh
= new CClickerEventHandler(this); //</span><span style='font-size:9.0pt;
font-family:宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:
宋体;color:black;mso-font-kerning:0pt'>建立事件处理对象<span lang=EN-US><o:p></o:p></span></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><span style='mso-tab-count:1'> </span>IUnknown<span
class=GramE>*<span style='mso-spacerun:yes'> </span>pUnk</span> =
GetDlgItem(IDC_CLICKIT)->GetControlUnknown();<br>
<span style='mso-spacerun:yes'>
</span>CcomPtr<IID_ICLICKIT> spclicker;<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><span style='mso-tab-count:1'> </span>if(ceh
&& SUCCEEDED(pUnk->QueryInterface(IID_ICLICKIT, (void**)
&spclicker))) //</span><span style='font-size:9.0pt;font-family:宋体;
mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'>查询事件接口<span lang=EN-US><o:p></o:p></span></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><span style='mso-spacerun:yes'> </span><span
style='mso-spacerun:yes'> </span>{<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><span style='mso-tab-count:2'> </span>ceh->DispEventAdvise(spclicker);
//</span><span style='font-size:9.0pt;font-family:宋体;mso-hansi-font-family:
"Times New Roman";mso-bidi-font-family:宋体;color:black;mso-font-kerning:0pt'>通知<span
class=GramE>事件源您的</span>对象想接收事件<span lang=EN-US><o:p></o:p></span></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><span style='mso-tab-count:1'> </span>}<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><o:p> </o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span style='font-size:9.0pt;font-family:宋体;
mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt;mso-ansi-language:ZH-CN'>释放</span><span style='font-size:
9.0pt;font-family:宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:
宋体;color:black;mso-font-kerning:0pt'>：<span lang=EN-US><o:p></o:p></span></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><span style='mso-tab-count:1'> </span><span
class=GramE>if(</span>spclicker)<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><span style='mso-tab-count:1'> </span>{<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><span style='mso-tab-count:2'> </span><span
class=GramE>ceh</span>->DispEventUnadvise(spclicker);<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><span style='mso-tab-count:2'> </span><span
class=GramE>spclicker</span>->Release();<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><span style='mso-tab-count:1'> </span>}<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><span style='mso-tab-count:1'> </span><span
class=GramE>if(</span>ceh)<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><span style='mso-tab-count:2'> </span><span
class=GramE>delete</span> ceh;<o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><o:p> </o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span style='font-size:9.0pt;font-family:宋体;
mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt;mso-ansi-language:ZH-CN'>里面的</span><span lang=EN-US
style='font-size:9.0pt;font-family:宋体;mso-hansi-font-family:"Times New Roman";
mso-bidi-font-family:宋体;color:black;mso-font-kerning:0pt'>id</span><span
style='font-size:9.0pt;font-family:宋体;mso-hansi-font-family:"Times New Roman";
mso-bidi-font-family:宋体;color:black;mso-font-kerning:0pt;mso-ansi-language:
ZH-CN'>是剧烈</span><span lang=EN-US style='font-size:9.0pt;font-family:宋体;
mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><o:p></o:p></span></p>
<p class=MsoNormal align=left style='text-align:left;mso-layout-grid-align:
none;text-autospace:none'><span lang=EN-US style='font-size:9.0pt;font-family:
宋体;mso-hansi-font-family:"Times New Roman";mso-bidi-font-family:宋体;color:black;
mso-font-kerning:0pt'><o:p> </o:p></span></p>
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