SystemTray.SetIsVisible Method

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

Sets the value of the IsVisible attached property for a given phone application page.

Namespace:  Microsoft.Phone.Shell
Assembly:  Microsoft.Phone (in Microsoft.Phone.dll)

Syntax

Public Shared Sub SetIsVisible ( _
    element As DependencyObject, _
    isVisible As Boolean _
)

public static void SetIsVisible(
    DependencyObject element,
    bool isVisible
)

Parameters

• element
  Type: System.Windows..::.DependencyObject
  The page for which to set the IsVisible attached property.

• isVisible
  Type: System..::.Boolean
  true to display the system tray; false to hide the system tray.

Remarks

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

Examples

The following code example shows how to use the SystemTray class in conjunction with 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, 0.5);
            SystemTray.SetBackgroundColor(this, Colors.Purple);
            SystemTray.SetForegroundColor(this, Colors.Yellow);

            prog = new ProgressIndicator();
            prog.IsVisible = true;
            prog.IsIndeterminate = true;
            prog.Text = "Click me...";

            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, 0.5)
        SystemTray.SetBackgroundColor(Me, Colors.Blue)
        SystemTray.SetForegroundColor(Me, Colors.Yellow)

        prog = new ProgressIndicator()
        prog.IsVisible = true
        prog.IsIndeterminate = true
        prog.Text = "Click me..."

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

Version Information

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Platforms

Windows Phone

See Also

Reference

SystemTray Class

Microsoft.Phone.Shell Namespace

PhoneApplicationPage

Other Resources

Dependency Properties Overview

Attached Properties Overview