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

Checks whether the current user can read objects of the specified type or their member.

Namespace: DevExpress.ExpressApp.Security

Assembly: DevExpress.ExpressApp.Security.v24.2.dll

NuGet Package: DevExpress.ExpressApp.Security

Declaration

C#

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

VB.NET

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

Parameters

Name	Type	Description
security	SecurityStrategy	A SecurityStrategy object that specifies an application’s Security Strategy.
objectSpace	IObjectSpace	An Object Space this method uses to get an object to check.

Optional Parameters

Name	Type	Default	Description
memberName	String	null	A String that is a name of objects’ member this method checks. This parameter is optional.

Type Parameters

Name	Description
T	A Type of objects this method checks.

Returns

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

Remarks

The following example shows how to use this method.

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) {
            // ...
        }
    }
}