73 lines
2.5 KiB
VB.net
73 lines
2.5 KiB
VB.net
Imports Microsoft.VisualBasic.ControlChars
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Imports System.Runtime.InteropServices
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Public Class ClipboardWatcher : Inherits NativeWindow : Implements IDisposable
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<DllImport("user32", EntryPoint:="SetClipboardViewer")> _
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Private Shared Function SetClipboardViewer(ByVal hWnd As IntPtr) As IntPtr
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End Function
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Public Event Changed As EventHandler
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Private _hview As IntPtr
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'nur eine globale Instanz zulassen
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Public Shared Singleton As New ClipboardWatcher
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Private Sub New()
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MyBase.CreateHandle(New CreateParams)
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_hview = SetClipboardViewer(MyBase.Handle)
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End Sub
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Protected Overrides Sub WndProc(ByRef m As Message)
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Const WM_DRAWCLIPBOARD As Integer = &H308
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Select Case m.Msg
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Case WM_DRAWCLIPBOARD
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clsWINDOWSApi.Get_ForegroundWindow_Info()
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'Dim CapTxt As String = clsWINDOWSApi.GetCaption()
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If IsNothing(PROC_Name) Then Exit Sub
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If PROC_Name.StartsWith("DD_Clipboard_Searcher") Then Exit Sub
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Console.WriteLine("PROCESS_NAME: " & PROC_Name)
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' If CapTxt.ToUpper.StartsWith("DD") Then Exit Sub
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RaiseEvent Changed(Me, EventArgs.Empty)
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End Select
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MyBase.WndProc(m)
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End Sub
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#Region " IDisposable Support "
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' Für diese Klasse ist korrekte Ressourcenbereinigung besonders wichtig, da
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' mit systemübergreifenden Ressourcen gearbeitet wird
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' So ermitteln Sie überflüssige Aufrufe
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Private disposedValue As Boolean = False
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Protected Overridable Sub Dispose(ByVal disposing As Boolean)
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If Not Me.disposedValue Then
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If disposing Then
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' TODO: Verwaltete Ressourcen freigeben, wenn sie explizit
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' aufgerufen werden
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End If
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MyBase.DestroyHandle()
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Dim H As IntPtr = SetClipboardViewer(_hview)
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End If
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Me.disposedValue = True
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End Sub
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' Dieser Code wird von Visual Basic hinzugefügt, um das Dispose-Muster
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' richtig zu implementieren.
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Public Sub Dispose() Implements IDisposable.Dispose
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' Sie sollten diesen Code nicht ändern, sondern stattdessen ihren
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' Bereinigungscode oben in
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' Dispose(ByVal disposing As Boolean) einfügen.
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Dispose(True)
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GC.SuppressFinalize(Me)
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End Sub
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Protected Overrides Sub Finalize()
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MyBase.Finalize()
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Dispose(False)
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End Sub
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#End Region
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End Class
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