IsGrantedExtensions.CanDelete(IRequestSecurityStrategy, Type, IObjectSpace, Object) Method

Checks whether the current user can delete an object with the specified key.

Namespace: DevExpress.ExpressApp.Security

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

NuGet Package: DevExpress.ExpressApp.Security

Declaration

C#

public static bool CanDelete(
    this IRequestSecurityStrategy security,
    Type type,
    IObjectSpace objectSpace,
    object targetObjectKey
)

VB.NET

<ExtensionAttribute>
Public Shared Function CanDelete(
    security As IRequestSecurityStrategy,
    type As Type,
    objectSpace As IObjectSpace,
    targetObjectKey As Object
) As Boolean

Parameters

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

Returns

Type	Description
Boolean	true, if the current user can delete an object with the specified key; otherwise, false.

Remarks

C#

using DevExpress.ExpressApp;
using DevExpress.ExpressApp.Security;
using System;
// ...
public class CheckDeletePermissionController : ObjectViewController<ListView, Contact> {
    SecurityStrategy securityStrategy;
    protected override void OnActivated() {
        base.OnActivated();
        SecurityStrategy securityStrategy = Application.GetSecurityStrategy();
        View.CurrentObjectChanged += View_CurrentObjectChanged;
    }
    private void View_CurrentObjectChanged(object sender, EventArgs e) {
        Department department = ViewCurrentObject.Department;
        if (department != null) {
            object key = ObjectSpace.GetKeyValue(department);
            if (!securityStrategy.CanDelete(typeof(Department), ObjectSpace, key)) {
                // ...
            }
        }
    }
}