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.NET 6.0+

IsGrantedExtensions.CanReadByRole(SecurityStrategy, IPermissionPolicyRole, Type, String) Method

Checks whether the specified role allows reading objects of the specified type or these objects’ members.

Namespace: DevExpress.ExpressApp.Security

Assembly: DevExpress.ExpressApp.Security.v24.1.dll

Declaration

public static bool CanReadByRole(
    this SecurityStrategy security,
    IPermissionPolicyRole targetRole,
    Type type,
    string memberName = null
)

Parameters

Name Type Description
security SecurityStrategy

A SecurityStrategy object that specifies an application’s Security Strategy.

targetRole IPermissionPolicyRole

An IPermissionPolicyRole object that is a role this method checks.

type Type

A Type of objects this method checks.

Optional Parameters

Name Type Default Description
memberName String null

A String that is a name of an objects’ member this method checks. This parameter is optional.

Returns

Type Description
Boolean

true, if the specified role allows reading objects of the specified type or these objects’ members; otherwise, false.

Remarks

The following example shows how to use this method.

using DevExpress.ExpressApp;
using DevExpress.ExpressApp.Security;
using DevExpress.Persistent.Base;
using DevExpress.Persistent.BaseImpl.PermissionPolicy;
using System;
// ...
public class CheckReadPermissionController : ObjectViewController<ListView, Contact> {
    SecurityStrategy securityStrategy;
    protected override void OnActivated() {
        base.OnActivated();
        securityStrategy = Application.GetSecurityStrategy();
        View.CurrentObjectChanged += View_CurrentObjectChanged;
    }
    private void View_CurrentObjectChanged(object sender, EventArgs e) {
        foreach (IPermissionPolicyRole role in ObjectSpace.GetObjects<PermissionPolicyRole>()) {
            if (!securityStrategy.CanReadByRole(role, typeof(Department), nameof(Department.Office))) {
                // ...
            }
        }
    }
}
See Also