¿Cuál es la cadena predeterminada en la función GetPrivateProfileString?

Which is the default string in the GetPrivateProfileString function?

A default string. If the lpKeyName key cannot be found in the initialization file, GetPrivateProfileString copies the default string to the lpReturnedString buffer. If this parameter is NULL, the default is an empty string, “”. Avoid specifying a default string with trailing blank characters.

Take a look at the example at PInvoke.net, the signature you’re using for calling GetPrivateProfileString isn’t quite right. Specifically, the signature shown at PInvoke.net passes through a StringBuilder and the size of the stringbuilder.

The GetPrivateProfileSection function retrieves all the keys and values for the specified section of an initialization file. // filename. // from the byte array used as a pointer.

The following example demonstrates the use of GetPrivateProfileString. The winbase.h header defines GetPrivateProfileString as an alias which automatically selects the ANSI or Unicode version of this function based on the definition of the UNICODE preprocessor constant.

If the lpKeyName key cannot be found in the initialization file, GetPrivateProfileString copies the default string to the lpReturnedString buffer. If this parameter is NULL, the default is an empty string, “”. Avoid specifying a default string with trailing blank characters.

The GetPrivateProfileString function is not case-sensitive; the strings can be a combination of uppercase and lowercase letters. To retrieve a string from the Win.ini file, use the GetProfileString function. The system maps most .ini file references to the registry, using the mapping defined under the following registry key: HKEY_LOCAL_MACHINE

If lpAppName is NULL , GetPrivateProfileString copies all section names in the specified file to the supplied buffer. If lpKeyName is NULL, the function copies all key names in the specified section to the supplied buffer. An application can use this method to enumerate all of the sections and keys in a file.