| VB声明 |
| Declare Function UnlockFileEx Lib "kernel32" Alias
"UnlockFileEx" (ByVal hFile As Long, ByVal dwReserved As Long, ByVal
nNumberOfBytesToUnlockLow As Long, ByVal nNumberOfBytesToUnlockHigh As Long, lpOverlapped
As OVERLAPPED) As Long |
| 说明 |
| 解除对一个文件的锁定 |
| 返回值 |
| Long，非零表示成功，零表示失败。会设置GetLastError |
| 参数表 |
| 参数 |
类型及说明 |
| hFile |
Long，要解锁的文件的句柄 |
| dwReserved |
Long，未用；设为零 |
| nNumberOfBytesToUnlockLow |
Long，锁定区域中字符数量的低32位值 |
| nNumberOfBytesToUnlockHigh |
Long，锁定区域中字符数量的高32位值 |
| lpOverlapped |
OVERLAPPED，包含了文件中相对于解锁区域起始处的偏移量 |
| 注解 |
解锁的文件区域必须与以前锁定时设置的区域完全相符。文件关闭前，应用程序应确定已解除了对任何区域的锁定。参考LockFileEx了解进一步的情况 |