IsGrantedExtensions.CanRead<T>(IRequestSecurityStrategy, IObjectSpace, String) Method

Checks whether the current user can read objects of the specified type. If the optional memberName parameter is specified, the method checks whether the current user can read the specified object members.

Namespace: DevExpress.ExpressApp.Security

Assembly: DevExpress.ExpressApp.Security.v25.1.dll

NuGet Package: DevExpress.ExpressApp.Security

Declaration

C#

public static bool CanRead<T>(
    this IRequestSecurityStrategy security,
    IObjectSpace objectSpace,
    string memberName = null
)

VB.NET

<ExtensionAttribute>
Public Shared Function CanRead(Of T)(
    security As IRequestSecurityStrategy,
    objectSpace As IObjectSpace,
    memberName As String = Nothing
) As Boolean

Parameters

Name	Type	Description
security	IRequestSecurityStrategy	An object that specifies the application’s security strategy.
objectSpace	IObjectSpace	An Object Space used to obtain data to calculate this security criterion.

Optional Parameters

Name	Type	Default	Description
memberName	String	null	A name of the object member to check.

Type Parameters

Name	Description
T	An object type to check.

Returns

Type	Description
Boolean	true, if the current user can read objects of the specified type or the specified object members; otherwise, false.

Remarks

C#

using DevExpress.ExpressApp;
using DevExpress.ExpressApp.Security;
// ...
public class CheckReadPermissionController : ObjectViewController<ListView, Contact> {
    protected override void OnActivated() {
        base.OnActivated();
        SecurityStrategy securityStrategy = Application.GetSecurityStrategy();
        if (!securityStrategy.CanRead<Department>(nameof(Department.Office)), ObjectSpace) {
            // ...
        }
    }
}