System.SysUtils.StrByteType
Delphi
function StrByteType(Str: PAnsiChar; Index: Cardinal): TMbcsByteType;
function StrByteType(Str: PWideChar; Index: Cardinal): TMbcsByteType;
C++
extern DELPHI_PACKAGE TMbcsByteType __fastcall StrByteType _DEPRECATED_ATTRIBUTE1("Moved to the AnsiStrings unit") (char * Str, unsigned Index)/* overload */;
Properties
| Type | Visibility | Source | Unit | Parent |
|---|---|---|---|---|
| function | public | System.SysUtils.pas System.SysUtils.hpp |
System.SysUtils | System.SysUtils |
Description
Warning: The ANSI version of StrByteType is deprecated. Please use the AnsiStrings unit.
Indicates whether a byte in a string is a single-byte character, the first byte of a double-byte character, or the second byte of a double-byte character.
Call StrByteType to determine the type of the byte specified by the Index parameter, where 0 specifies the first byte in the string Str, 1 specifies the second byte, and so on.
If the system is not using a multi-byte character system (MBCS), StrByteType always returns mbSingleByte. Otherwise, StrByteType returns mbSingleByte if the indicated byte represents a complete character in Str, mbLeadByte if it represents the first byte of a double-byte character, and mbTrailByte if it represents the second byte of a double-byte character.
Note: No check is done to ensure that Index is less than the length of Str. It is the caller's responsibility to ensure that Index is not out of bounds.