Strings Topics

|  Overview |  How Do I

Visual C++ supplies several ways to work with character-string data. These include MFC’s CString class, functions in the run-time library, and Win32 API functions.

This family of articles covers the CString class in MFC. For information about alternative ways to work with strings, see the overview.

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CString Fundamentals

• Class CString

• CString semantics

• CString and standard C strings

• CString operations: accessing characters, concatenating strings, comparing strings

• CString operations relating to C-style strings

• CString and the run-time library string functions

CString Operations

• Allocating CString objects

• Directly accessing the characters in a CString

• Directly modifying CString contents

• Converting a CString to a C-style null-terminated string

• Specifying CString formal parameters in my functions

• CString argument passing

• CString as a function output

• Using CString with variable argument functions

CString Support for Unicode and Multibyte Character Strings (MBCS)

• Unicode

• MBCS

• Unicode and multibyte character string support in CString

• The TCHAR data type and the _T macro

Advanced CString Topics

• The BSTR data type used in Automation

• CString reference counting for efficiency

• CString and exceptions