The WriteProfileSection function replaces the contents of the specified section in the WIN.INI file with the specified keys and values.
This function is provided for compatibility with 16-bit Windows applications. Win32-based applications should store initialization information in the registry.
// pointer to section name
// pointer to buffer with data
If the function succeeds, the return value is nonzero.
If the function fails, the return value is zero. To get extended error information, call GetLastError.
The WriteProfileSection function is not case-sensitive; the strings can be a combination of uppercase and lowercase letters.
WriteProfileSection deletes the existing keys and values for the named section and inserts the key names and values in the buffer pointed to by lpString. The function does not attempt to correlate old and new key names; if the new names appear in a different order from the old names, any comments associated with preexisting keys and values in the initialization file will probably be associated with incorrect keys and values.
This operation is atomic; no other operations that read from or write to the
initialization file are allowed while the information is being written.
When the operation has been mapped, the WriteProfileSection function writes information to the registry, not to the initialization file; the change in the storage location has no effect on the functionís behavior.
The Win32 Profile functions (Get/WriteProfile*, Get/WritePrivateProfile*) use the following steps to locate initialization information:
When looking at values in the registry that specify other registry locations, there are several prefixes that change the behavior of the ini file mapping:
! - this character forces all writes to go both to the registry and to the .INI file on disk.
# - this character causes the registry value to be set to the value in the Windows 3.1 .INI file when a new user logs in for the first time after setup.
@ - this character prevents any reads from going to the .INI file on disk if the requested data is not found in the registry.
USR: - this prefix stands for HKEY_CURRENT_USER, and the text after the prefix is relative to that key.
SYS: - this prefix stands for HKEY_LOCAL_MACHINE\SOFTWARE, and the text after the prefix is relative to that key.
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