SystemSettings-Klasse
Dieser Dokumentation für die Vorschau nur ist und in späteren Versionen geändert. Leere Themen wurden als Platzhalter eingefügt.]
Ermöglicht den Zugriff auf Einstellungen der Benutzeroberfläche und systemeigene Windows Embedded CE Einstellungen des Betriebssystems auf einem Gerät.
Namespace: Microsoft.WindowsCE.Forms
Assembly: Microsoft.WindowsCE.Forms (in Microsoft.WindowsCE.Forms.dll)
Syntax
'Declaration
Public NotInheritable Class SystemSettings
'Usage
Dim instance As SystemSettings
public sealed class SystemSettings
public ref class SystemSettings sealed
[<SealedAttribute>]
type SystemSettings = class end
Hinweise
Zurzeit stellt diese Klasse Einstellungen für die ScreenOrientation und Platform Eigenschaften nur.
Beispiele
Das folgende Beispiel veranschaulicht die Bildschirmausrichtung eines Geräts aus der Ansicht standardmäßig Hochformat mit 0 Grad auf 90 Grad bis 180 Grad um 270 Grad drehen und wieder auf 0 Grad.Die Schaltfläche klickt Zyklus durch die ScreenOrientation-Enumeration.
Imports System
Imports System.Drawing
Imports System.Windows.Forms
Imports Microsoft.WindowsCE.Forms
PublicClass Form1
Inherits System.Windows.Forms.Form
PrivateWithEvents 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 AsInteger = 0
PublicSubNew()
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()
EndSubProtectedOverridesSub Dispose(disposing AsBoolean)
MyBase.Dispose(disposing)
EndSubPrivateSub 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"EndSubSharedSub Main()
Application.Run(New Form1())
EndSub
' 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.PrivateSub Button1_Click(sender AsObject, e As System.EventArgs) Handles Button1.Click
SelectCase 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
CaseElse
SetOrientation(ScreenOrientation.Angle0)
x = 0
EndSelectEndSub
' Set the orientation to a value of the ' ScreenOrienation enumeration and update the ' status bar with the current angle.PrivateSub SetOrientation(so As ScreenOrientation)
' Set the requested orientation.
SystemSettings.ScreenOrientation = so
Me.StatusBar1.Text = SystemSettings.ScreenOrientation.ToString()
EndSubEndClass
using System;
using System.Drawing;
using System.Collections;
using System.Windows.Forms;
using System.Data;
using Microsoft.WindowsCE.Forms;
namespace SystemSettingsTest
{
publicclass 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();
}
protectedoverridevoid Dispose( bool disposing )
{
base.Dispose( disposing );
}
#region Windows Form Designer generated code
privatevoid 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
staticvoid 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.privatevoid 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.privatevoid SetOrientation(ScreenOrientation so)
{
// Set the requested orientation.
SystemSettings.ScreenOrientation = so;
this.statusBar1.Text = SystemSettings.ScreenOrientation.ToString();
}
Vererbungshierarchie
System.Object
Microsoft.WindowsCE.Forms.SystemSettings
Threadsicherheit
Alle öffentlichen static (Shared in Visual Basic)-Member dieses Typs sind threadsicher. Bei Instanzmembern ist die Threadsicherheit nicht gewährleistet.
Plattformen
Windows CE, Windows Mobile für Smartphone, Windows Mobile für Pocket PC
Die .NET Framework und .NET Compact Framework unterstützen nicht alle Versionen sämtlicher Plattformen. Eine Liste der unterstützten Versionen finden Sie unter Systemanforderungen für .NET framework.
Versionsinformationen
.NET Compact Framework
Unterstützt in: 3.5, 2.0
Siehe auch
Referenz
Microsoft.WindowsCE.Forms-Namespace