expressappframework-devexpress-dot-expressapp-dot-actions-dot-actionbase-0d57c17a.md
Specifies whether the View, for which an Action is intended, must be root, nested or any.
Namespace : DevExpress.ExpressApp.Actions
Assembly : DevExpress.ExpressApp.v25.2.dll
NuGet Package : DevExpress.ExpressApp
[DefaultValue(Nesting.Any)]
public Nesting TargetViewNesting { get; set; }
<DefaultValue(Nesting.Any)>
Public Property TargetViewNesting As Nesting
| Type | Default | Description |
|---|---|---|
| Nesting | Any |
A Nesting enumeration value identifying a View kind.
|
Available values:
| Name | Description |
|---|---|
| Any |
An Action or a View Controller will be activated in Frames (Windows) with any Views.
| | Root |
An Action or a View Controller will be activated in Frames (Windows) which contain root Views (see View.IsRoot).
| | Nested |
An Action or a View Controller will be activated in Frames (Windows) which contain nested Views (the View.IsRoot property is set to false ).
|
If an Action is contained in a View Controller, you can specify the kind of a View for which the Action will be activated via the TargetViewNesting property. By default, this property is set to Any. You can set another value in the Controller’s constructor or Designer. This value will be saved to the Application Model‘s ActionDesign | Actions | <Action> node.
The following code snippets (auto-collected from DevExpress Examples) contain references to the TargetViewNesting property.
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.
var importInMainView = new SimpleAction(this, "ImportInMainView", PredefinedCategory.RecordEdit);
importInMainView.TargetViewNesting = Nesting.Root;
importInMainView.Execute += ImportInMainView_Execute;
var mypopAction1 = new PopupWindowShowAction(this, "MyShowSearchAction", PredefinedCategory.Edit);
mypopAction1.TargetViewNesting = Nesting.Root;
mypopAction1.CustomizePopupWindowParams += MyAction1_CustomizePopupWindowParams;
See Also