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请输入您要查询的计算机术语:
术语
AfxIsValidString
释义
AfxIsValidString
BOOL AfxIsValidString( LPCSTR lpsz, int nLength = -1 );
返回值:
如果给定的指针指向一个给定大小的字符串则返回非零值,否则返回0。
参数:
lpsz
要测试的指针。
nLength
指定要测试的字符串的长度,以字节为单位。如果值为-1,表示字符串是以null结尾的。
说明:
使用这个函数来确定指向字符串的指针是否有效。
请参阅:
AfxIsMemoryBlock, AfxIsValidAddress
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更新时间:2026/8/31 1:17:25