subject_34620.htm

一些关于vc的问答

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序号：34620 发表者：刘畅 发表日期：2003-03-31 20:53:55
<br>主题：这是什么错误呀，请高手指点！！！
<br>内容：--------------------Configuration: Bank - Win32 Debug--------------------<BR>Compiling...<BR>Bank.cpp<BR>c:\program files\microsoft visual studio\vc98\atl\include\atlcom.h(1827) : error C2259: 'CComObject&lt;class CMoveMoney&gt;' : cannot instantiate abstract class due to following members:<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c:\program files\microsoft visual studio\vc98\atl\include\atlcom.h(1823) : while compiling class-template member function 'long __stdcall ATL::CComCreator&lt;class ATL::CComObject&lt;class CMoveMoney&gt; &gt;::CreateInstance(void *,const struct _GUID &amp;,<BR>void ** )'<BR>c:\program files\microsoft visual studio\vc98\atl\include\atlcom.h(1827) : warning C4259: 'long __stdcall IMoveMoney::Perform(long,long,unsigned short ** )' : pure virtual function was not defined<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;d:\com与com+实践和提高\thirteenth\bank\bank.h(254) : see declaration of 'Perform'<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c:\program files\microsoft visual studio\vc98\atl\include\atlcom.h(1823) : while compiling class-template member function 'long __stdcall ATL::CComCreator&lt;class ATL::CComObject&lt;class CMoveMoney&gt; &gt;::CreateInstance(void *,const struct _GUID &amp;,<BR>void ** )'<BR>c:\program files\microsoft visual studio\vc98\atl\include\atlcom.h(1827) : error C2259: 'CComObject&lt;class CMoveMoney&gt;' : cannot instantiate abstract class due to following members:<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c:\program files\microsoft visual studio\vc98\atl\include\atlcom.h(1823) : while compiling class-template member function 'long __stdcall ATL::CComCreator&lt;class ATL::CComObject&lt;class CMoveMoney&gt; &gt;::CreateInstance(void *,const struct _GUID &amp;,<BR>void ** )'<BR>c:\program files\microsoft visual studio\vc98\atl\include\atlcom.h(1827) : warning C4259: 'long __stdcall IMoveMoney::Perform(long,long,unsigned short ** )' : pure virtual function was not defined<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;d:\com与com+实践和提高\thirteenth\bank\bank.h(254) : see declaration of 'Perform'<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c:\program files\microsoft visual studio\vc98\atl\include\atlcom.h(1823) : while compiling class-template member function 'long __stdcall ATL::CComCreator&lt;class ATL::CComObject&lt;class CMoveMoney&gt; &gt;::CreateInstance(void *,const struct _GUID &amp;,<BR>void ** )'<BR>MoveMoney.cpp<BR>D:\COM与COM+实践和提高\thirteenth\Bank\MoveMoney.cpp(43) : warning C4530: C++ exception handler used, but unwind semantics are not enabled. Specify -GX<BR>Generating Code...<BR>Error executing cl.exe.<BR><BR>Bank.dll - 2 error(s), 3 warning(s)<BR><BR>这里有原程序！请大家帮忙！！！
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<font color=red>答案被接受</font><br>回复者：ray111 回复日期：2003-04-01 15:38:21
<br>内容：can you attach your simplified project up? I would like to have a debug. thank you! ray
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