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DashboardViewer.SetInitialDashboardState Event

Allows you to specify the initial dashboard state when loading a dashboard.

Namespace: DevExpress.DashboardWin

Assembly: DevExpress.Dashboard.v19.1.Win.dll

Declaration

public event SetInitialDashboardStateEventHandler SetInitialDashboardState
Public Event SetInitialDashboardState As SetInitialDashboardStateEventHandler

Event Data

The SetInitialDashboardState event handler receives an argument of the SetInitialDashboardStateEventArgs type. The following properties provide information specific to this event.

Property Description
Dashboard A dashboard whose state can be initialized.
InitialState Gets or sets the dashboard initial state.

Remarks

Refer to the Manage Dashboard State document for more information about a dashboard state.

Examples

Note

The complete sample project How to Set the Initial Dashboard State in the WinForms Viewer is available in the DevExpress Examples repository.

The following code snippet shows how to save and restore a dashboard state for WinForms Dashboard Viewer:

using DevExpress.DashboardCommon;
using DevExpress.XtraEditors;
using System;
using System.Windows.Forms;
using System.Xml.Linq;

namespace WinFormsViewerSaveAndApplyDashboardState
{
    public partial class ViewerForm1: XtraForm
    {
        DashboardState dState = new DashboardState();
        const string path = @"..\..\Dashboards\dashboardWithSavedState.xml";
        public ViewerForm1() {
            InitializeComponent();
            dashboardViewer.DashboardLoaded += dashboardViewer_DashboardLoaded;
            dashboardViewer.SetInitialDashboardState += dashboardViewer_SetInitialDashboardState;
            dashboardViewer.DashboardSource = path;
        }

        private void dashboardViewer_DashboardLoaded(object sender,
            DevExpress.DashboardWin.DashboardLoadedEventArgs e) {
            XElement data = e.Dashboard.UserData;
                if(data != null) {
                    if(data.Element("DashboardState") != null) {
                        XDocument dStateDocument = XDocument.Parse(data.Element("DashboardState").Value);
                        dState.LoadFromXml(XDocument.Parse(data.Element("DashboardState").Value));
                    }
                }
            }

        private void dashboardViewer_SetInitialDashboardState(object sender,
            DevExpress.DashboardWin.SetInitialDashboardStateEventArgs e) {
            e.InitialState = dState;
        }

        private void ViewerForm1_FormClosing(object sender,FormClosingEventArgs e) {
            dState = dashboardViewer.GetDashboardState();
            XElement userData = new XElement("Root",
                new XElement("DateModified",DateTime.Now),
                new XElement("DashboardState",dState.SaveToXml().ToString(SaveOptions.DisableFormatting)));
            dashboardViewer.Dashboard.UserData = userData;
            dashboardViewer.Dashboard.SaveToXml(path);
        }
    }
}
See Also