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ParametersRequestExtension.RegisterExtension(ParametersRequestExtension, String) Method

Registers the custom parameters request extension, to implement custom parameter editors in a print preview.

Namespace: DevExpress.XtraReports.Extensions

Assembly: DevExpress.XtraReports.v22.2.Extensions.dll

NuGet Package: DevExpress.Win.Reporting


public static void RegisterExtension(
    ParametersRequestExtension extension,
    string contextName


Name Type Description
extension ParametersRequestExtension

A ParametersRequestExtension object.

contextName String

A String value, identifying the context.


To provide editors to parameters of custom types in a print preview, create a custom parameters request extension inherited from the ParametersRequestExtension class.

Then, register the extension (using the RegisterExtension method) and associate the report with the custom extension (using the ParametersRequestExtension.AssociateReportWithExtension method).

For a code sample, see How to create parameter editors that are dependent on each other’s values.

See Also