C++ 在VC+中连接CString和Long+;?
我必须将两个C++ 在VC+中连接CString和Long+;?,c++,casting,atl,tostring,cstring,C++,Casting,Atl,Tostring,Cstring,我必须将两个CString变量和两个long变量连接在一起 CString。我发现一个格式函数是这样使用的: CString str = "Some Data"; str.Format("%s%d", str, 123); 但这是错误的。以下是错误日志: \AudWinSockXCtrl.cpp(410) : error C2440: 'initializing' : cannot convert from 'const char [10]' to 'ATL::CStringT'
CString
变量和两个long
变量连接在一起
CString
。我发现一个格式函数是这样使用的:
CString str = "Some Data";
str.Format("%s%d", str, 123);
但这是错误的。以下是错误日志:
\AudWinSockXCtrl.cpp(410) : error C2440: 'initializing' : cannot convert from 'const char [10]' to 'ATL::CStringT'
with
[
BaseType=wchar_t,
StringTraits=StrTraitMFC
]
Constructor for class 'ATL::CStringT' is declared 'explicit'
with
[
BaseType=wchar_t,
StringTraits=StrTraitMFC
]
.\AudWinSockXCtrl.cpp(411) : error C2664: 'void ATL::CStringT::Format(const wchar_t *,...)' :
cannot convert parameter 1 from 'const char [5]' to 'const wchar_t *'
with
[
BaseType=wchar_t,
StringTraits=StrTraitMFC
]
Types pointed to are unrelated; conversion requires reinterpret_cast, C-style cast or
function-style cast
.\AudWinSockXCtrl.cpp(414) : error C2664: 'void ATL::CStringT::Format(const wchar_t *,...)' :
cannot convert parameter 1 from 'const char [4]' to 'const wchar_t *'
with
[
BaseType=wchar_t,
StringTraits=StrTraitMFC
]
Types pointed to are unrelated; conversion requires reinterpret_cast, C-style cast or
function-style cast
有没有像我们在Java中使用的那样的toString()
函数?(OutputBuffer,“%s%d”,str,123)
\T
和
此处:
CString str = _T("Some Data");
str.Format(_T("%s%d"), str, 123);