The WriteProfileString function copies a string into the specified section of the WIN.INI file.
This function is provided for compatibility with 16-bit Windows-based applications. Win32-based applications should store initialization information in the registry.
BOOL WriteProfileString(
LPCTSTR lpAppName, |
// pointer to section name |
LPCTSTR lpKeyName, |
// pointer to key name |
LPCTSTR lpString |
// pointer to string to write |
); |
Windows 95: This platform does not support the use of the TAB (\t) character as part of this parameter.
If the function successfully copies the string to the WIN.INI file, the return value is nonzero.
If the function fails, or if it flushes the cached version of WIN.INI, the return value is zero. To get extended error information, call GetLastError.
[section]
key=string
.
.
.
HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows NT\CurrentVersion\IniFileMapping
When the operation has been mapped, the WriteProfileString function writes information to the registry, not to the initialization file; the change in the storage location has no effect on the function’s behavior.
The Win32 Profile functions (Get/WriteProfile*, Get/WritePrivateProfile*) use the following steps to locate initialization information:
HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows NT\CurrentVersion\IniFileMapping\myfile.ini
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.
GetProfileString, WritePrivateProfileString
file: /Techref/os/win/api/win32/func/src/f93_6.htm, 6KB, , updated: 2000/4/7 11:19, local time: 2024/11/24 00:54,
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