SystemSettings (Clase)
Actualización: noviembre 2007
Proporciona acceso a los valores de configuración de la interfaz de usuario y del sistema operativo de Windows Embedded CE en un dispositivo.
Espacio de nombres: Microsoft.WindowsCE.Forms
Ensamblado: Microsoft.WindowsCE.Forms (en Microsoft.WindowsCE.Forms.dll)
Sintaxis
'Declaración
Public NotInheritable Class SystemSettings
'Uso
Dim instance As SystemSettings
public sealed class SystemSettings
public ref class SystemSettings sealed
public final class SystemSettings
Comentarios
Actualmente, esta clase sólo proporciona valores de configuración para las propiedades ScreenOrientation y Platform.
Ejemplos
El ejemplo de código siguiente muestra cómo girar la orientación de la pantalla de un dispositivo en la vista vertical normal de 0 grados a 90 grados, a 180 grados, a 270 grados y, de nuevo, a 0 grados. Los clics del botón realizan el recorrido mediante la enumeración ScreenOrientation.
Imports System
Imports System.Drawing
Imports System.Windows.Forms
Imports Microsoft.WindowsCE.Forms
Public Class Form1
Inherits System.Windows.Forms.Form
Private WithEvents Button1 As System.Windows.Forms.Button
Private mainMenu1 As System.Windows.Forms.MainMenu
Private StatusBar1 As System.Windows.Forms.StatusBar
' Set a variable to be incremented by button clicks
' that will change the orientation by rotating
' through the ScreenOrientation enumeration.
Private x As Integer = 0
Public Sub New()
InitializeComponent()
Me.MinimizeBox = False
' Set the screen orientation to normal
' and display the value on the status bar.
SystemSettings.ScreenOrientation = ScreenOrientation.Angle0
Me.StatusBar1.Text = SystemSettings.ScreenOrientation.ToString()
End Sub
Protected Overrides Sub Dispose(disposing As Boolean)
MyBase.Dispose(disposing)
End Sub
Private Sub InitializeComponent()
Me.Button1 = New System.Windows.Forms.Button()
Me.StatusBar1 = New System.Windows.Forms.StatusBar()
'
' Button1
'
Me.Button1.Location = New System.Drawing.Point(16, 128)
Me.Button1.Text = "Rotate"
'
' Form1
'
Me.Controls.Add(Button1)
Me.Controls.Add(StatusBar1)
Me.Text = "Orientation Demo"
End Sub
Shared Sub Main()
Application.Run(New Form1())
End Sub
' Each click event changes the screen orientation, as determined
' by the variable x, which increments from 0 to 3 and then back
' to 0. Four clicks cycle through the ScreenOrientation enumeration.
Private Sub Button1_Click(sender As Object, e As System.EventArgs) Handles Button1.Click
Select Case x
Case 0
' Pass a value for the ScreenOrientation enumeration
' to the SetOrientation method, defined below,
' and increment x so that the next button
' click rotates the screen orientation.
SetOrientation(ScreenOrientation.Angle90)
x += 1
Case 1
SetOrientation(ScreenOrientation.Angle180)
x += 1
Case 2
SetOrientation(ScreenOrientation.Angle270)
x += 1
Case 3
SetOrientation(ScreenOrientation.Angle0)
x = 0
Case Else
SetOrientation(ScreenOrientation.Angle0)
x = 0
End Select
End Sub
' Set the orientation to a value of the
' ScreenOrienation enumeration and update the
' status bar with the current angle.
Private Sub SetOrientation(so As ScreenOrientation)
' Set the requested orientation.
SystemSettings.ScreenOrientation = so
Me.StatusBar1.Text = SystemSettings.ScreenOrientation.ToString()
End Sub
End Class
using System;
using System.Drawing;
using System.Collections;
using System.Windows.Forms;
using System.Data;
using Microsoft.WindowsCE.Forms;
namespace SystemSettingsTest
{
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.Button button1;
private System.Windows.Forms.MainMenu mainMenu1;
private System.Windows.Forms.StatusBar statusBar1;
// Set a variable to be incremented by button clicks
// that will change the orientation by rotating
// through the ScreenOrientation enumeration.
int x = 0;
public Form1()
{
InitializeComponent();
this.MinimizeBox = false;
// Set the screen orientation to normal
// and display the value on the status bar.
SystemSettings.ScreenOrientation = ScreenOrientation.Angle0;
this.statusBar1.Text = SystemSettings.ScreenOrientation.ToString();
}
protected override void Dispose( bool disposing )
{
base.Dispose( disposing );
}
#region Windows Form Designer generated code
private void InitializeComponent()
{
this.mainMenu1 = new System.Windows.Forms.MainMenu();
this.button1 = new System.Windows.Forms.Button();
this.statusBar1 = new System.Windows.Forms.StatusBar();
//
// button1
//
this.button1.Location = new System.Drawing.Point(16, 128);
this.button1.Text = "Rotate";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// Form1
//
this.Controls.Add(this.button1);
this.Controls.Add(this.statusBar1);
this.Menu = this.mainMenu1;
this.Text = "Orientation Demo";
}
#endregion
static void Main()
{
Application.Run(new Form1());
}
// Each click event changes the screen orientation, as determined
// by the variable x, which increments from 0 to 3 and then back
// to 0. Four clicks cycle through the ScreenOrientation enumeration.
private void button1_Click(object sender, System.EventArgs e)
{
switch(x)
{
case 0:
// Pass a value for the ScreenOrientation enumeration
// to the SetOrientation method, defined below,
// and increment x so that the next button
// click rotates the screen orientation.
SetOrientation(ScreenOrientation.Angle90);
x++;
break;
case 1:
SetOrientation(ScreenOrientation.Angle180);
x++;
break;
case 2:
SetOrientation(ScreenOrientation.Angle270);
x++;
break;
case 3:
SetOrientation(ScreenOrientation.Angle0);
x = 0;
break;
default:
SetOrientation(ScreenOrientation.Angle0);
x = 0;
break;
}
}
// Set the orientation to a value of the
// ScreenOrienation enumeration and update the
// status bar with the current angle.
private void SetOrientation(ScreenOrientation so)
{
// Set the requested orientation.
SystemSettings.ScreenOrientation = so;
this.statusBar1.Text = SystemSettings.ScreenOrientation.ToString();
}
Jerarquía de herencia
System.Object
Microsoft.WindowsCE.Forms.SystemSettings
Seguridad para subprocesos
Todos los miembros static (Shared en Visual Basic) públicos de este tipo son seguros para la ejecución de subprocesos. No se garantiza que los miembros de instancias sean seguros para la ejecución de subprocesos.
Plataformas
Windows CE, Windows Mobile para Smartphone, Windows Mobile para Pocket PC
.NET Framework y .NET Compact Framework no admiten todas las versiones de cada plataforma. Para obtener una lista de las versiones compatibles, vea Requisitos de sistema de .NET Framework.
Información de versión
.NET Compact Framework
Compatible con: 3.5, 2.0
Vea también
Referencia
Microsoft.WindowsCE.Forms (Espacio de nombres)