sdk/samples/all in on code/Visual Studio 2008/VBWPFAutoCompleteTextBox/My Project/MyExtensions/MyWpfExtension.vb

   1 #If _MyType <> "Empty" Then
   2
   3 Namespace My
   4     ''' <summary>
   5     ''' 用于定义“我的 WPF 命名空间”中的可用属性的模块
   6     ''' </summary>
   7     ''' <remarks></remarks>
   8     <Global.Microsoft.VisualBasic.HideModuleName()> _
   9     Module MyWpfExtension
  10         Private s_Computer As New ThreadSafeObjectProvider(Of Global.Microsoft.VisualBasic.Devices.Computer)
  11         Private s_User As New ThreadSafeObjectProvider(Of Global.Microsoft.VisualBasic.ApplicationServices.User)
  12         Private s_Windows As New ThreadSafeObjectProvider(Of MyWindows)
  13         Private s_Log As New ThreadSafeObjectProvider(Of Global.Microsoft.VisualBasic.Logging.Log)
  14         ''' <summary>
  15         ''' 返回正在运行的应用程序的应用程序对象
  16         ''' </summary>
  17         <Global.System.Diagnostics.CodeAnalysis.SuppressMessageAttribute("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")>  _
  18         Friend ReadOnly Property Application() As Application
  19             Get
  20                 Return Global.System.Windows.Application.Current
  21             End Get
  22         End Property
  23         ''' <summary>
  24         ''' 返回有关主机计算机的信息。
  25         ''' </summary>
  26         <Global.System.Diagnostics.CodeAnalysis.SuppressMessageAttribute("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")>  _
  27         Friend ReadOnly Property Computer() As Global.Microsoft.VisualBasic.Devices.Computer
  28             Get
  29                 Return s_Computer.GetInstance()
  30             End Get
  31         End Property
  32         ''' <summary>
  33         ''' 返回当前用户的信息。如果希望使用当前的
  34         ''' Windows 用户凭据来运行应用程序，请调用 My.User.InitializeWithWindowsUser()。
  35         ''' </summary>
  36         <Global.System.Diagnostics.CodeAnalysis.SuppressMessageAttribute("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")>  _
  37         Friend ReadOnly Property User() As Global.Microsoft.VisualBasic.ApplicationServices.User
  38             Get
  39                 Return s_User.GetInstance()
  40             End Get
  41         End Property
  42         ''' <summary>
  43         ''' 返回应用程序日志。可以使用应用程序的配置文件配置侦听器。
  44         ''' </summary>
  45         <Global.System.Diagnostics.CodeAnalysis.SuppressMessageAttribute("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")>  _
  46         Friend ReadOnly Property Log() As Global.Microsoft.VisualBasic.Logging.Log
  47             Get
  48                 Return s_Log.GetInstance()
  49             End Get
  50         End Property
  51
  52         ''' <summary>
  53         ''' 返回项目中定义的 Windows 集合。
  54         ''' </summary>
  55         <Global.System.Diagnostics.CodeAnalysis.SuppressMessageAttribute("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")>  _
  56         Friend ReadOnly Property Windows() As MyWindows
  57             <Global.System.Diagnostics.DebuggerHidden()> _
  58             Get
  59                 Return s_Windows.GetInstance()
  60             End Get
  61         End Property
  62         <Global.System.ComponentModel.EditorBrowsableAttribute(Global.System.ComponentModel.EditorBrowsableState.Never)> _
  63         <Global.Microsoft.VisualBasic.MyGroupCollection("System.Windows.Window", "Create__Instance__", "Dispose__Instance__", "My.MyWpfExtenstionModule.Windows")> _
  64         Friend NotInheritable Class MyWindows
  65             <Global.System.Diagnostics.DebuggerHidden()> _
  66             Private Shared Function Create__Instance__(Of T As {New, Global.System.Windows.Window})(ByVal Instance As T) As T
  67                 If Instance Is Nothing Then
  68                     If s_WindowBeingCreated IsNot Nothing Then
  69                         If s_WindowBeingCreated.ContainsKey(GetType(T)) = True Then
  70                             Throw New Global.System.InvalidOperationException("The window cannot be accessed via My.Windows from the Window constructor.")
  71                         End If
  72                     Else
  73                         s_WindowBeingCreated = New Global.System.Collections.Hashtable()
  74                     End If
  75                     s_WindowBeingCreated.Add(GetType(T), Nothing)
  76                     Return New T()
  77                     s_WindowBeingCreated.Remove(GetType(T))
  78                 Else
  79                     Return Instance
  80                 End If
  81             End Function
  82             <Global.System.Diagnostics.CodeAnalysis.SuppressMessageAttribute("Microsoft.Performance", "CA1822:MarkMembersAsStatic")>  _
  83             <Global.System.Diagnostics.DebuggerHidden()> _
  84             Private Sub Dispose__Instance__(Of T As Global.System.Windows.Window)(ByRef instance As T)
  85                 instance = Nothing
  86             End Sub
  87             <Global.System.Diagnostics.DebuggerHidden()> _
  88             <Global.System.ComponentModel.EditorBrowsableAttribute(Global.System.ComponentModel.EditorBrowsableState.Never)> _
  89             Public Sub New()
  90                 MyBase.New()
  91             End Sub
  92             <Global.System.ThreadStatic()> Private Shared s_WindowBeingCreated As Global.System.Collections.Hashtable
  93             <Global.System.ComponentModel.EditorBrowsable(Global.System.ComponentModel.EditorBrowsableState.Never)> Public Overrides Function Equals(ByVal o As Object) As Boolean
  94                 Return MyBase.Equals(o)
  95             End Function
  96             <Global.System.ComponentModel.EditorBrowsable(Global.System.ComponentModel.EditorBrowsableState.Never)> Public Overrides Function GetHashCode() As Integer
  97                 Return MyBase.GetHashCode
  98             End Function
  99             <Global.System.Diagnostics.CodeAnalysis.SuppressMessageAttribute("Microsoft.Performance", "CA1822:MarkMembersAsStatic")>  _
 100             <Global.System.ComponentModel.EditorBrowsable(Global.System.ComponentModel.EditorBrowsableState.Never)> _
 101             Friend Overloads Function [GetType]() As Global.System.Type
 102                 Return GetType(MyWindows)
 103             End Function
 104             <Global.System.ComponentModel.EditorBrowsable(Global.System.ComponentModel.EditorBrowsableState.Never)> Public Overrides Function ToString() As String
 105                 Return MyBase.ToString
 106             End Function
 107         End Class
 108     End Module
 109 End Namespace
 110 Partial Class Application
 111     Inherits Global.System.Windows.Application
 112     <Global.System.Diagnostics.CodeAnalysis.SuppressMessageAttribute("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")> _
 113     <Global.System.Diagnostics.CodeAnalysis.SuppressMessageAttribute("Microsoft.Performance", "CA1822:MarkMembersAsStatic")> _
 114     Friend ReadOnly Property Info() As Global.Microsoft.VisualBasic.ApplicationServices.AssemblyInfo
 115         <Global.System.Diagnostics.DebuggerHidden()> _
 116         Get
 117             Return New Global.Microsoft.VisualBasic.ApplicationServices.AssemblyInfo(Global.System.Reflection.Assembly.GetExecutingAssembly())
 118         End Get
 119     End Property
 120 End Class
 121 #End If