62 lines
2.2 KiB
VB.net
62 lines
2.2 KiB
VB.net
'IDE-Voreinstellungen:
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'Option Explicit On
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'Option Strict On
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'"My Project"-Einstellungen:
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'Imports Microsoft.VisualBasic.ControlChars
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'Imports System.Windows.Forms
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'Imports System
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Imports System.Windows.Forms
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''' <summary>
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''' Stellt Methoden bereit, mit denen ein beliebiger Methoden-Aufruf mit bis zu 3 Argumenten
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''' in einen Nebenthread verlegt werden kann, bzw. aus einem Nebenthread in den Hauptthread
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''' </summary>
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Public Class CrossThreadsInvokeing
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Public Shared Sub RunAsync(Of T1, T2, T3)(ByVal Action As Action(Of T1, T2, T3), ByVal Arg1 As T1, ByVal Arg2 As T2, ByVal Arg3 As T3)
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Action.BeginInvoke(Arg1, Arg2, Arg3, AddressOf Action.EndInvoke, Nothing)
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End Sub
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Public Shared Sub RunAsync(Of T1, T2)(ByVal Action As Action(Of T1, T2), ByVal Arg1 As T1, ByVal Arg2 As T2)
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Action.BeginInvoke(Arg1, Arg2, AddressOf Action.EndInvoke, Nothing)
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End Sub
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Public Shared Sub RunAsync(Of T1)(ByVal Action As Action(Of T1), ByVal Arg1 As T1)
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Action.BeginInvoke(Arg1, AddressOf Action.EndInvoke, Nothing)
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End Sub
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Public Shared Sub RunAsync(ByVal Action As Action)
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Action.BeginInvoke(AddressOf Action.EndInvoke, Nothing)
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End Sub
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Private Shared Function GuiCrossInvoke(ByVal Action As [Delegate], ByVal ParamArray Args() As Object) As Boolean
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Dim frms As FormCollection = Application.OpenForms
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If frms.Count > 0 AndAlso frms(0).InvokeRequired Then
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frms(0).BeginInvoke(Action, Args)
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Return True
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End If
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Return False
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End Function
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Public Shared Sub RunGui(Of T1, T2, T3)(ByVal Action As Action(Of T1, T2, T3), ByVal Arg1 As T1, ByVal Arg2 As T2, ByVal Arg3 As T3)
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If Not GuiCrossInvoke(Action, Arg1, Arg2, Arg3) Then Action(Arg1, Arg2, Arg3)
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End Sub
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Public Shared Sub RunGui(Of T1, T2)(ByVal Action As Action(Of T1, T2), ByVal Arg1 As T1, ByVal Arg2 As T2)
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If Not GuiCrossInvoke(Action, Arg1, Arg2) Then Action(Arg1, Arg2)
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End Sub
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Public Shared Sub RunGui(Of T1)(ByVal Action As Action(Of T1), ByVal Arg1 As T1)
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If Not GuiCrossInvoke(Action, Arg1) Then Action(Arg1)
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End Sub
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Public Shared Sub RunGui(ByVal Action As Action)
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If Not GuiCrossInvoke(Action) Then Action()
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End Sub
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End Class
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