IsGrantedExtensions.CanRead(SecurityStrategy, Type, 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(
    this SecurityStrategy security,
    Type type,
    IObjectSpace objectSpace,
    string memberName = null
)

VB.NET

<ExtensionAttribute>
Public Shared Function CanRead(
    security As SecurityStrategy,
    type As Type,
    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.
type	Type	A Type of objects this method checks.
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.

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(typeof(Department), nameof(Department.Office), ObjectSpace)) {
            // ...
        }
    }
}