ProgressIndicator.IsVisible Property

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

Gets or sets the visibility of the progress indicator on the system tray on the current application page.

Namespace:  Microsoft.Phone.Shell
Assembly:  Microsoft.Phone (in Microsoft.Phone.dll)
XMLNS for XAML: Not mapped to an xmlns.

Syntax

Public Property IsVisible As Boolean

public bool IsVisible { get; set; }

<object IsVisible="bool" .../>

Property Value

Type: System..::.Boolean
true if the progress indicator is visible; otherwise, false.

Remarks

The system tray is also referred to as the status bar.

Examples

The following code example shows how to use the ProgressIndicator class.

using Microsoft.Phone.Shell;

namespace SystemTrayTest
{
    public partial class MainPage : PhoneApplicationPage
    {
        ProgressIndicator prog;

        public MainPage()
        {
            InitializeComponent();

            SystemTray.SetIsVisible(this, true);
            SystemTray.SetOpacity(this, 0);

            prog = new ProgressIndicator();
            prog.IsVisible = true;
            prog.IsIndeterminate = true;

            SystemTray.SetProgressIndicator(this, prog);
        }
    }
}

Imports Microsoft.Phone.Shell

Partial Public Class MainPage
    Inherits PhoneApplicationPage

    Dim prog As ProgressIndicator
    
    Public Sub New()
        InitializeComponent()

        SystemTray.SetIsVisible(Me, true)
        SystemTray.SetOpacity(Me, 0)

        prog = new ProgressIndicator()
        prog.IsVisible = true
        prog.IsIndeterminate = true

        SystemTray.SetProgressIndicator(Me, prog)
    End Sub
End Class

Version Information

Windows Phone OS

Supported in: 8.1, 8.0, 7.1

Platforms

Windows Phone

See Also

Reference

ProgressIndicator Class

Microsoft.Phone.Shell Namespace

SystemTray

PhoneApplicationPage

Other Resources

Dependency Properties Overview

Attached Properties Overview