SCommTestDlg.obj : error LNK2001: unresolved external symbol "public: short _thiscall CMSComm:GetCommEvent(void)" 怎么解决？多谢
SCommTestDlg.obj : error LNK2001: unresolved external symbol "public: short __thiscall CMSComm::GetCommEvent(void)" 如何解决？谢谢！
SCommTestDlg.obj : error LNK2001: unresolved external symbol "public: virtual struct CRuntimeClass * __thiscall CMSComm::GetRuntimeClass(void)const " (?GetRuntimeClass@CMSComm@@UBEPAUCRuntimeClass@@XZ)
SCommTestDlg.obj : error LNK2001: unresolved external symbol "public: struct tagVARIANT __thiscall CMSComm::GetInput(void)" (?GetInput@CMSComm@@QAE?AUtagVARIANT@@XZ)
SCommTestDlg.obj : error LNK2001: unresolved external symbol "public: void __thiscall CMSComm::SetInputLen(short)" (?SetInputLen@CMSComm@@QAEXF@Z)
SCommTestDlg.obj : error LNK2001: unresolved external symbol "public: void __thiscall CMSComm::SetRThreshold(short)" (?SetRThreshold@CMSComm@@QAEXF@Z)
SCommTestDlg.obj : error LNK2001: unresolved external symbol "public: void __thiscall CMSComm::SetInputMode(long)" (?SetInputMode@CMSComm@@QAEXJ@Z)
SCommTestDlg.obj : error LNK2001: unresolved external symbol "public: void __thiscall CMSComm::SetSettings(char const *)" (?SetSettings@CMSComm@@QAEXPBD@Z)
SCommTestDlg.obj : error LNK2001: unresolved external symbol "public: void __thiscall CMSComm::SetCommPort(short)" (?SetCommPort@CMSComm@@QAEXF@Z)
SCommTestDlg.obj : error LNK2001: unresolved external symbol "public: void __thiscall CMSComm::SetPortOpen(int)" (?SetPortOpen@CMSComm@@QAEXH@Z)
SCommTestDlg.obj : error LNK2001: unresolved external symbol "public: int __thiscall CMSComm::GetPortOpen(void)" (?GetPortOpen@CMSComm@@QAEHXZ)
SCommTestDlg.obj : error LNK2001: unresolved external symbol "public: short __thiscall CMSComm::GetCommEvent(void)" (?GetCommEvent@CMSComm@@QAEFXZ)
这是按照龚建伟串口调试助手打开和设置串口时，输入函数代码后出现的错误，请教是什么错误，该如何解决。
------解决方案--------------------
cpp文件是否忘了加入到工程里了？
------解决方案--------------------
////////////////////////////////////////////////////////////////
链接错误：
出现这个2001错误，是因为链接失败，然而链接失败，又是因为以下原因：
1.你在头文件中声明了函数，但是cpp文件缺少了函数实现部分。
2.忘了将这个.h,.cpp Add to project；
3.以上两种情况都没有做，没有将它对应的lib文件添加到Setting-> LINK中
SCommTestDlg.obj : error LNK2001: unresolved external symbol "public: virtual struct CRuntimeClass * __thiscall CMSComm::GetRuntimeClass(void)const " (?GetRuntimeClass@CMSComm@@UBEPAUCRuntimeClass@@XZ)
SCommTestDlg.obj : error LNK2001: unresolved external symbol "public: struct tagVARIANT __thiscall CMSComm::GetInput(void)" (?GetInput@CMSComm@@QAE?AUtagVARIANT@@XZ)
SCommTestDlg.obj : error LNK2001: unresolved external symbol "public: void __thiscall CMSComm::SetInputLen(short)" (?SetInputLen@CMSComm@@QAEXF@Z)
SCommTestDlg.obj : error LNK2001: unresolved external symbol "public: void __thiscall CMSComm::SetRThreshold(short)" (?SetRThreshold@CMSComm@@QAEXF@Z)
SCommTestDlg.obj : error LNK2001: unresolved external symbol "public: void __thiscall CMSComm::SetInputMode(long)" (?SetInputMode@CMSComm@@QAEXJ@Z)
SCommTestDlg.obj : error LNK2001: unresolved external symbol "public: void __thiscall CMSComm::SetSettings(char const *)" (?SetSettings@CMSComm@@QAEXPBD@Z)
SCommTestDlg.obj : error LNK2001: unresolved external symbol "public: void __thiscall CMSComm::SetCommPort(short)" (?SetCommPort@CMSComm@@QAEXF@Z)
SCommTestDlg.obj : error LNK2001: unresolved external symbol "public: void __thiscall CMSComm::SetPortOpen(int)" (?SetPortOpen@CMSComm@@QAEXH@Z)
SCommTestDlg.obj : error LNK2001: unresolved external symbol "public: int __thiscall CMSComm::GetPortOpen(void)" (?GetPortOpen@CMSComm@@QAEHXZ)
SCommTestDlg.obj : error LNK2001: unresolved external symbol "public: short __thiscall CMSComm::GetCommEvent(void)" (?GetCommEvent@CMSComm@@QAEFXZ)
这是按照龚建伟串口调试助手打开和设置串口时，输入函数代码后出现的错误，请教是什么错误，该如何解决。
------解决方案--------------------
cpp文件是否忘了加入到工程里了？
------解决方案--------------------
////////////////////////////////////////////////////////////////
链接错误：
出现这个2001错误，是因为链接失败，然而链接失败，又是因为以下原因：
1.你在头文件中声明了函数，但是cpp文件缺少了函数实现部分。
2.忘了将这个.h,.cpp Add to project；
3.以上两种情况都没有做，没有将它对应的lib文件添加到Setting-> LINK中