IObjectSpace.GetObject(Object) Method

Retrieves an object that corresponds to an IObjectRecord wrapper or object from another Object Space.

Namespace: DevExpress.ExpressApp

Assembly: DevExpress.ExpressApp.v19.2.dll

Declaration

C#

object GetObject(
    object obj
)

VB.NET

Function GetObject(
    obj As Object
) As Object

Parameters

Name	Type	Description
obj	Object	A business object wrapper or object from another Object Space that corresponds to the required persistent object.

Returns

Type	Description
Object	An object retrieved from the database via the current Object Space.

Remarks

The example below demonstrates how to use the GetObject method.

C#

using System;
using DevExpress.ExpressApp;
using DevExpress.ExpressApp.Actions;
using DevExpress.Persistent.Base;
using DevExpress.Persistent.BaseImpl;

// ...
public class ShowDetailViewController : ObjectViewController<ListView, Person> {
    public ShowDetailViewController() {
        PopupWindowShowAction showDetailViewAction = new PopupWindowShowAction(
            this, "ShowDetailView", PredefinedCategory.Edit);
        showDetailViewAction.SelectionDependencyType = SelectionDependencyType.RequireSingleObject;
        showDetailViewAction.CustomizePopupWindowParams += ShowDetailViewAction_CustomizePopupWindowParams;
    }
    private void ShowDetailViewAction_CustomizePopupWindowParams(
        object sender, CustomizePopupWindowParamsEventArgs e) {
        IObjectSpace objectSpace = Application.CreateObjectSpace(typeof(Person));
        Object currentObject = objectSpace.GetObject(View.CurrentObject);
        if(currentObject != null) {
            e.View = Application.CreateDetailView(objectSpace, currentObject, true);
        }
        else {
            objectSpace.Dispose();
        }
    }
}

VB.NET

Imports DevExpress.ExpressApp
Imports DevExpress.ExpressApp.Actions
Imports DevExpress.Persistent.Base
Imports DevExpress.Persistent.BaseImpl

Public Class ShowDetailViewController
    Inherits ObjectViewController(Of ListView, Person)
    Public Sub New()
        Dim showDetailViewAction As New PopupWindowShowAction(Me, "ShowDetailView", PredefinedCategory.Edit)
        showDetailViewAction.SelectionDependencyType = SelectionDependencyType.RequireSingleObject
        AddHandler showDetailViewAction.CustomizePopupWindowParams, _
            AddressOf ShowDetailViewAction_CustomizePopupWindowParams
    End Sub
    Private Sub ShowDetailViewAction_CustomizePopupWindowParams(ByVal sender As Object, _
        ByVal e As CustomizePopupWindowParamsEventArgs)
        Dim objectSpace As IObjectSpace = Application.CreateObjectSpace(GetType(Person))
        Dim currentObject As Object = objectSpace.GetObject(View.CurrentObject)
        If currentObject IsNot Nothing Then
            e.View = Application.CreateDetailView(objectSpace, currentObject, True)
        Else
            objectSpace.Dispose()
        End If
    End Sub
End Class

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the GetObject(Object) method.

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#

XAF_how-to-add-a-custom-button-into-lookuppropertyeditor-to-edit-the-currently-selected-record-e774/CS/WinSolution.Module.Win/MyLookupPropertyEditor.cs#L25

if (BindingHelper != null) {
    editedObject = objectSpace.GetObject(BindingHelper.GetControlValue());
}

XAF_treelisteditor-how-to-enable-in-place-editing-in-the-winforms-tree-list-view-xpo-e443/CS/WinSolution.Module.Win/TreeListInplaceEditViewController.cs#L80

if (e.Value is IXPSimpleObject)
    newValue = ObjectSpace.GetObject(e.Value);
object focusedObject = treeList.FocusedObject;

XAF_how-to-access-objects-selected-in-the-current-view-e3016/CS/SelectedObjects.Module/MyNotesController.cs#L21

foreach (var selectedObject in e.SelectedObjects) {
    SelectedContacts.Add((Contact)ObjectSpace.GetObject(selectedObject));
}

VB.NET

XAF_how-to-add-a-custom-button-into-lookuppropertyeditor-to-edit-the-currently-selected-record-e774/VB/WinSolution.Module.Win/MyLookupPropertyEditor.vb#L29

If BindingHelper IsNot Nothing Then
    editedObject = objectSpace.GetObject(BindingHelper.GetControlValue())
ElseIf TypeOf sender Is LookupEdit Then

XAF_treelisteditor-how-to-enable-in-place-editing-in-the-winforms-tree-list-view-xpo-e443/VB/WinSolution.Module.Win/TreeListInplaceEditViewController.vb#L84

If TypeOf e.Value Is IXPSimpleObject Then
    newValue = ObjectSpace.GetObject(e.Value)
End If

XAF_how-to-access-objects-selected-in-the-current-view-e3016/VB/SelectedObjects.Module/MyNotesController.vb#L22

For Each selectedObject In e.SelectedObjects
    SelectedContacts.Add(CType(ObjectSpace.GetObject(selectedObject), Contact))
Next selectedObject