IsGrantedExtensions.CanDelete(SecurityStrategy, 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.v24.1.dll

NuGet Package: DevExpress.ExpressApp.Security

Declaration

C#

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

VB.NET

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

Parameters

Name	Type	Description
security	SecurityStrategy	A SecurityStrategy object that specifies an application’s Security Strategy.
type	Type	A Type of an object this method checks.
objectSpace	IObjectSpace	An Object Space this method uses to get an object to check.
targetObjectKey	Object	An Object that is a key of an object this method checks.

Returns

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

Remarks

The following example shows how to use this method.

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)) {
                // ...
            }
        }
    }
}