This function determines whether a character is a lead byte — that is, the first byte of a character in a double-byte character set (DBCS).
At a Glance
| Header file: | Winnls.h |
| Windows CE versions: | 1.01 and later |
Syntax
BOOL IsDBCSLeadByteEx(UINT CodePage, BYTE TestChar);
Parameters
CodePage
[in] Identifier of the code page to use to check lead-byte ranges. Can be one of the values listed in the Code Page Identifiers in Unicode and character set Constants or one the following predefined values:
| Value | Description |
| 0 | Use system default ANSI code page. |
| CP_ACP | Use system default ANSI code page. |
| CP_OEMCP | Use system default OEM code page. |
TestChar
[in] Character to test.
Return Values
TRUE indicates that the character is a lead byte. FALSE indicates that either the character is not a lead byte or an error was generated. For extended error information, call GetLastError.