100165732.htm
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HTM
482 行
<p class=a5 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
{</span></p>
<p class=a5 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
int Add(int val1, int val2);</span></p>
<p class=a5 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
int Sub(int val1, int val2);</span></p>
<p class=a5 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
}</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US> </span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
[ClassInterface(ClassInterfaceType.None)]</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
[ProgId("Wrox. DotnetComponent")]</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
[Guid("77839717-40DD-8297-35B98A8402C7")]</span></p>
<p class=a5 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
public class DotnetComponent : IWelcome, IMath</span></p>
<p class=a5 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
{</span></p>
<p class=a5 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
public DotnetComponent()</span></p>
<p class=a5 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
{</span></p>
<p class=a5 style='margin-top:0cm;margin-right:0cm;FTEL:8.15pt;
margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US> }</span></p>
<p class=MsoNormal><span style='font-family:宋体'>重新建立类库和类型库，修改接口定义。使用</span><span
lang=EN-US>OleView.exe</span><span style='font-family:宋体'>可以验证这一点。如下面的</span><span
lang=EN-US>IDL</span><span style='font-family:宋体'>代码所示，接口</span><span
lang=EN-US>IWelcome</span><span style='font-family:宋体'>仍是双重接口，而</span><span
lang=EN-US>IMath</span><span style='font-family:宋体'>现在是一个派生自</span><span
lang=EN-US>IUnknown</span><span style='font-family:宋体'>的定制接口，不是派生自</span><span
lang=EN-US>IDispatch</span><span style='font-family:宋体'>。在</span><span
lang=EN-US>coclass</span><span style='font-family:宋体'>部分，删除了接口</span><span
lang=EN-US>_DotNetComponent</span><span style='font-family:宋体'>，目前</span><span
lang=EN-US>IWelcome</span><span style='font-family:宋体'>是新的默认接口，因为它是类</span><span
lang=EN-US>DotNetComponent</span><span style='font-family:宋体'>继承列表中的第一个接口。</span></p>
<p class=2 style='margin-top:8.15pt;margin-right:0cm;FTEL:0cm;
margin-left:21.45pt;FTEL:.0001pt;FTEL:18.45pt'><span
lang=EN-US>//Generated .IDL file (by the OLE/COM object Viewer)</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>//</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>//typelib
filename: <could not determine filename></span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US> </span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>[</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
uuid(11E86506-EA54-3611-A55C-6830C48A554B),</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
version(1.0),</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
custom(90883F05-3D28-11D2-8F17-00A0C9A6186D, DotNetComponent,</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
Version=1.0.1321.19165, Culture=neutral, PublicKeyToken=null)</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>]</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>library
DotnetComponent</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>{</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
//TLib : Common Language Runtime Library :</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
//{BED7F4EA-1A96-11D2-8F08-00A0C9A6186D}</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
importlib("mscorlib.tlb");</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
//TLib : OLE Automation : {00020430-0000-0000-C000-0000000000046}</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
importlib("stdole2.tlb");</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US> </span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
//Forward declare all types defined in this typelib</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
interface IWelcome;</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
interface IMath;</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>[</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
odl,</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
uuid(F39A4143-F88D-321E-9A33-8208E256A2DF),</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
version(1.0),</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
dual,</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
oleautomation,</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
custom(0F21F359-AB84-41EB-9A78-36D110E6D2F9,</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
Wrox.ProCSharp.COMInterop.Server.IWelcome)</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>]</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>interface
IWelcome : IDispatch</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>{</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
[id(0x0000ea88)]</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
HRESULT Greeting([in] BSTR name, [out, retval] BSTR* pRetVal);</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>};</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US> </span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>[</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
odl,</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
uuid(EF596F3F-B69B-3657-9D48-C906CBF12565),</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
version(1.0),</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
oleautomation,</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
custom(0F21F359-Ab84-41EB-9A78-36D110E6D2F9,</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
Wrox.ProCSharp.COMInterop.Server.IMath)</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>]</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>interface
IMath : IUnknown</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>{</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
HRESULT Add([in] long val1, [in] long val2, [out, retval] long* pRetVal);</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
HRESULT Sub([in] long val1, [in] long val2, [out, retval] long* pRetVal);</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>};</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US> </span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>[</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
uuid(77839717-40DD-4876-8297-35B98A8402C7),</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
version(1.0),</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
custom(0F21F359-Ab84-41EB-9A78-36D110E6D2F9,</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
Wrox.ProCSharp.COMInterop.Server. DotnetComponent)</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>]</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>coclass
DotnetComponent </span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>{</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
interface _Object;</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
interface IWelcome;</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>
interface IMath;</span></p>
<p class=2 style='margin-left:21.45pt;FTEL:18.45pt'><span lang=EN-US>};</span></p>
<p class=a5 style='margin-top:0cm;margin-right:0cm;FTEL:8.15pt;
margin-left:9.95pt;FTEL:19.15pt'><span lang=EN-US>};</span></p>
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<h1 id="divCurrentNode2" style="color: #b83507; width: 100%; text-align: left; font-size: 12px; padding-left: 2px">当前章节:<a href='100165732.htm'><font color='red'>28.4.4 COM互操作特性</font></a></h1>
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<div style='float:left;width:49%'>·<a href='100165729.htm'>28.4.1 COM Callable Wrapper</a></div><div style='float:right;width:49%'>·<a href='100165730.htm'>28.4.2 创建.NET组件</a></div><div style='float:left;width:49%'>·<a href='100165731.htm'>28.4.3 创建类型库</a></div><div style='float:right;width:49%'>·<a href='100165733.htm'>28.4.5 COM注册</a></div><div style='float:left;width:49%'>·<a href='100165734.htm'>28.4.6 创建COM客户程序</a></div><div style='float:right;width:49%'>·<a href='100165735.htm'>28.4.7 添加连接点</a></div></div>
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