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.NET 6.0+

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

Declaration

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

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.

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)) {
                // ...
            }
        }
    }
}
See Also