The GetPrivateProfileInt function retrieves an integer associated with a key in the specified section of the given initialization file. This function is provided for compatibility with 16-bit Windows-based applications. Win32-based applications should store initialization information in the registry.
UINT GetPrivateProfileInt(
LPCTSTR lpAppName, |
// address of section name |
LPCTSTR lpKeyName, |
// address of key name |
INT nDefault, |
// return value if key name is not found |
LPCTSTR lpFileName |
// address of initialization filename |
); |
The return value is the integer equivalent of the string following the specified key name in the specified initialization file. If the key is not found, the return value is the specified default value. If the value of the key is less than zero, the return value is zero.
The function searches the file for a key that matches the name specified by the lpKeyName parameter under the section name specified by the lpAppName parameter. A section in the initialization file must have the following form:
[section]
key=value
.
.
.
The GetPrivateProfileInt function is not case-sensitive; the strings in lpAppName and lpKeyName can be a combination of uppercase and lowercase letters.
An application can use the GetProfileInt function to retrieve an integer value from the WIN.INI file.
HKEY_LOCAL_MACHINE\Software\Microsoft\
Windows NT\CurrentVersion\IniFileMapping
This mapping is likely if an application modifies system-component initialization files, such as CONTROL.INI, SYSTEM.INI, and WINFILE.INI. In these cases, the GetPrivateProfileInt function retrieves information from the registry, not from 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.
GetProfileInt, WritePrivateProfileString
file: /Techref/os/win/api/win32/func/src/f36_19.htm, 7KB, , updated: 2000/4/7 12:19, local time: 2024/8/16 11:48,
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