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SetEnvironmentVariable

The SetEnvironmentVariable function sets the value of an environment variable for the current process.

VB4-32,5,6
Declare Function SetEnvironmentVariable Lib "kernel32" Alias "SetEnvironmentVariableA" (ByVal lpName As String, ByVal lpValue As String) As Long

Operating Systems Supported
Requires Windows NT 3.1 or later; Requires Windows 95 or later

Library
Kernel32

Parameter Information
lpName
[in] Pointer to a null-terminated string that specifies the environment variable whose value is being set. The operating system creates the environment variable if it does not exist and lpValue is not NULL.

lpValue
[in] Pointer to a null-terminated string containing the new value of the specified environment variable. If this parameter is NULL, the variable is deleted from the current process's environment.

Return Values
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.

Examples

Related Functions

 

 


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