SystemInformation.MouseButtonsSwapped Property
.NET Framework 4.5
Gets a value indicating whether the functions of the left and right mouse buttons have been swapped.
Namespace: System.Windows.Forms
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
Property Value
Type: System.Booleantrue if the functions of the left and right mouse buttons are swapped; otherwise, false.
The following code example lists all properties of the SystemInformation class in a ListBox and displays the current value of the property in a TextBox when a list item selected.
Imports Microsoft.VisualBasic Imports System Imports System.Collections Imports System.ComponentModel Imports System.Drawing Imports System.Reflection Imports System.Windows.Forms Public Class SystemInfoBrowserForm Inherits System.Windows.Forms.Form Private listBox1 As System.Windows.Forms.ListBox Private textBox1 As System.Windows.Forms.TextBox Public Sub New() Me.SuspendLayout() InitForm() ' Add each property of the SystemInformation class to the list box. Dim t As Type = GetType(System.Windows.Forms.SystemInformation) Dim pi As PropertyInfo() = t.GetProperties() Dim i As Integer For i = 0 To pi.Length - 1 listBox1.Items.Add(pi(i).Name) Next i textBox1.Text = "The SystemInformation class has " + pi.Length.ToString() + " properties." + ControlChars.CrLf ' Configure the list item selected handler for the list box to invoke a ' method that displays the value of each property. AddHandler listBox1.SelectedIndexChanged, AddressOf listBox1_SelectedIndexChanged Me.ResumeLayout(False) End Sub Private Sub listBox1_SelectedIndexChanged(sender As Object, e As EventArgs) ' Return if no list item is selected. If listBox1.SelectedIndex = - 1 Then Return End If ' Get the property name from the list item. Dim propname As String = listBox1.Text If propname = "PowerStatus" Then ' Cycle and display the values of each property of the PowerStatus property. textBox1.Text += ControlChars.CrLf + "The value of the PowerStatus property is:" Dim t As Type = GetType(System.Windows.Forms.PowerStatus) Dim pi As PropertyInfo() = t.GetProperties() Dim i As Integer For i = 0 To pi.Length - 1 Dim propval As Object = pi(i).GetValue(SystemInformation.PowerStatus, Nothing) textBox1.Text += ControlChars.CrLf + " PowerStatus." + pi(i).Name + " is: " + propval.ToString() Next i Else ' Display the value of the selected property of the SystemInformation type. Dim t As Type = GetType(System.Windows.Forms.SystemInformation) Dim pi As PropertyInfo() = t.GetProperties() Dim prop As PropertyInfo = Nothing Dim i As Integer For i = 0 To pi.Length - 1 If pi(i).Name = propname Then prop = pi(i) Exit For End If Next i Dim propval As Object = prop.GetValue(Nothing, Nothing) textBox1.Text += ControlChars.CrLf + "The value of the " + propname + " property is: " + propval.ToString() End If End Sub Private Sub InitForm() ' Initialize the form settings Me.listBox1 = New System.Windows.Forms.ListBox() Me.textBox1 = New System.Windows.Forms.TextBox() Me.listBox1.Anchor = CType(System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Bottom Or System.Windows.Forms.AnchorStyles.Left Or System.Windows.Forms.AnchorStyles.Right, System.Windows.Forms.AnchorStyles) Me.listBox1.Location = New System.Drawing.Point(8, 16) Me.listBox1.Size = New System.Drawing.Size(172, 496) Me.listBox1.TabIndex = 0 Me.textBox1.Anchor = CType(System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Bottom Or System.Windows.Forms.AnchorStyles.Right, System.Windows.Forms.AnchorStyles) Me.textBox1.Location = New System.Drawing.Point(188, 16) Me.textBox1.Multiline = True Me.textBox1.ScrollBars = System.Windows.Forms.ScrollBars.Vertical Me.textBox1.Size = New System.Drawing.Size(420, 496) Me.textBox1.TabIndex = 1 Me.ClientSize = New System.Drawing.Size(616, 525) Me.Controls.Add(Me.textBox1) Me.Controls.Add(Me.listBox1) Me.Text = "Select a SystemInformation property to get the value of" End Sub <STAThread()> _ Shared Sub Main() Application.Run(New SystemInfoBrowserForm()) End Sub End Class
Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.