SecurityPermissionPolicy Enum

Contains values that specify the Security System behavior when there are no explicitly specified permissions for a specific type, object or member.

Namespace: DevExpress.Persistent.Base

Assembly: DevExpress.Persistent.Base.v21.2.dll

Declaration

C#

public enum SecurityPermissionPolicy

VB.NET

Public Enum SecurityPermissionPolicy

Members

Name	Description
DenyAllByDefault	Access is denied by default.
ReadOnlyAllByDefault	Read-only access is granted by default.
AllowAllByDefault	Full access is granted by default.

Related API Members

The following properties accept/return SecurityPermissionPolicy values:

• IPermissionPolicyRole.PermissionPolicy
• PermissionPolicyRoleBase.PermissionPolicy
• PermissionPolicyRoleBase.PermissionPolicy

Remarks

These enumeration values are used to initialize the IPermissionPolicyRole.PermissionPolicy values.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the SecurityPermissionPolicy enum.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

how-to-implement-a-custom-security-operation-that-can-be-permitted-at-the-type-level-e4483/CS/CustomSecurityOperation.Module/CustomSecurityObjects.cs#L53

private bool IsGrantedByPolicy(IPermissionDictionary permissionDictionary) {
    if (GetPermissionPolicy(permissionDictionary) == SecurityPermissionPolicy.AllowAllByDefault) {
        return true;

How-To-Set-Permissions-States-Automatically/CS/SecuritySetState.Module/Controllers/SetStateController.cs#L23

SecurityPermissionState defaultState = SecurityPermissionState.Allow;
if(typePermission.Role.PermissionPolicy == SecurityPermissionPolicy.AllowAllByDefault) {
    defaultState = SecurityPermissionState.Deny;

XAF_how-to-change-connection-to-the-database-at-runtime-e1344/CS/RuntimeDbChooser.Module/DatabaseUpdate/Updater.cs#L70

defaultRole.PermissionPolicy = SecurityPermissionPolicy.AllowAllByDefault;
defaultRole.AddNavigationPermission("Application/NavigationItems/Items/Default/Items/PermissionPolicyRole_ListView", SecurityPermissionState.Deny);

VB.NET

how-to-implement-a-custom-security-operation-that-can-be-permitted-at-the-type-level-e4483/VB/CustomSecurityOperation.Module/CustomSecurityObjects.vb#L70

Private Function IsGrantedByPolicy(ByVal permissionDictionary As IPermissionDictionary) As Boolean
    If GetPermissionPolicy(permissionDictionary) = SecurityPermissionPolicy.AllowAllByDefault Then
        Return True

How-To-Set-Permissions-States-Automatically/VB/SecuritySetState.Module/Controllers/SetStateController.vb#L25

Dim defaultState As SecurityPermissionState = SecurityPermissionState.Allow
If typePermission.Role.PermissionPolicy = SecurityPermissionPolicy.AllowAllByDefault Then
    defaultState = SecurityPermissionState.Deny

XAF_how-to-change-connection-to-the-database-at-runtime-e1344/VB/RuntimeDbChooser.Module/DatabaseUpdate/Updater.vb#L76

defaultRole.Name = "Default"
defaultRole.PermissionPolicy = SecurityPermissionPolicy.AllowAllByDefault
defaultRole.AddNavigationPermission("Application/NavigationItems/Items/Default/Items/PermissionPolicyRole_ListView", SecurityPermissionState.Deny)