EnvironmentPolicy.ExpandingVariables Event

Fires when the DevExpress control attempts to replace names of environment variables using the Environment.ExpandEnvironmentVariables(String) method. Handle this event to allow or suppress the operation.

Namespace: DevExpress.Data.Utils

Assembly: DevExpress.Data.v25.1.dll

NuGet Package: DevExpress.Data

Declaration

C#

public static event EventHandler<EnvironmentPolicy.ExpandingEnvironmentVariablesRequestEventArgs> ExpandingVariables

VB.NET

Public Shared Event ExpandingVariables As EventHandler(Of EnvironmentPolicy.ExpandingEnvironmentVariablesRequestEventArgs)

Event Data

The ExpandingVariables event's data class is EnvironmentPolicy.ExpandingEnvironmentVariablesRequestEventArgs. The following properties provide information specific to this event:

Property	Description
Cancel	Gets or sets a value indicating whether the event should be canceled. Inherited from CancelEventArgs.
Name	Gets the environment variable name.

The event data class exposes the following methods:

Method	Description
ToString()	Returns a human-readable representation of the ExpandingEnvironmentVariablesRequestEventArgs object.

Remarks

The e.Name event parameter returns a string that contains names of zero or more environment variables. Each environment variable is quoted with the percent sign character (%).

Use the e.Cancel event parameter to allow or suppress the operation.