描述
将文件扩展名添加到路径字符串.
FreeBASIC 语法
FUNCTION AfxPathAddExtension ( _ BYREF wszPath AS CONST WSTRING, _ BYVAL pwszExt AS WSTRING PTR = NULL _ ) AS CWSTR |
参数
wszPath
将追加文件名扩展名的字符串.
wszExtension
包含文件扩展名的字符串.
返回值
改变路径.
备注
如果已经存在文件扩展名,则将不添加扩展名.如果bstrPath是空字符串,结果将是唯一的文件扩展名.如果bstrExtension是空字符串,一个'.exe'的推广将增加.
引用文件
AfxPath.inc
Sample Code
DIM cws AS CWSTR = AfxPathAddExtension("file") - output: file.exe
DIM cws AS CWSTR = AfxPathAddExtension("file.doc") - output: file.doc
DIM cws AS CWSTR = AfxPathAddExtension("file", ".txt") - output: file.txt
DIM cws AS CWSTR = AfxPathAddExtension("", ".txt") - output: .txt