Root > Reference > All Functions > GetEnvVariable

Function GetEnvVariable

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Expands single environment variable.

 

Unit

ESysInfo

 

Syntax

 

Code (Delphi)

function GetEnvVariable(

const AName: String

): String;

 

Parameters

AName [in]

Name of variable without %.

 

Return value

Variable value or empty string if variable wasn't defined.

 

Remarks

This is default implementation for variable name convertor for ExpandEnvVars function.

 

This default implementation supports all standard system and user environment variables and also adds the following additional EurekaLog pseudo-variables:

CSIDL_XYZ
FOLDERID_XYZ
_ThisModulePath
_ThisModuleName
_MainModulePath
_MainModuleName
_LineBreak
CD
Date
DateFmt
Time
TimeFmt
Random

 

Note

This routine is often replaced in EurekaLog classes to supply extra variables. For example, exception informational class adds support for %_ExceptMsg% variable.

 

See also




Send feedback... Build date: 2024-12-19
Last edited: 2024-12-19
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