BSTR、CString、char*之间的互相转换

1、CString转BSTR

BSTR bstr;CString str = "hello world";bstr.AllocSysString();

2、BSTR转CString

BSTR bstr = SysAllocString(L"hello world");CString str;str = bstr;

3、CString转char*

CString str( "hello wrold" );  LPTSTR lpt =(LPTSTR)(LPCTSTR)str;

4、char*转CString

CString str("hello wrold");char *p = str;