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Use InputGestureCollection to get modifier keys

<Window x: Class="Commands.Window1"     xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"     Title="Commands"> <Grid>     <Button VerticalAlignment="Top"        HorizontalAlignment="Stretch"        Height="27"        Click="ExecuteCommandClickEvent"        Name="BtnExecuteCommand">Execute Command   </Button>   </Grid> </Window> //File:Window.xaml.vb Imports System Imports System.Windows Imports System.Windows.Controls Imports System.Windows.Input Namespace Commands   Public Partial Class Window1     Inherits Window     Public Shared myCmd As RoutedCommand     Shared Sub New()       Dim myInputs As New InputGestureCollection()       myInputs.Add(New KeyGesture(Key.G, ModifierKeys.Control Or ModifierKeys.Shift))       myCmd = New RoutedCommand("Go", GetType(Window1), myInputs)     End Sub     Private Sub ExecuteCommandClickEvent(sender As Object, e As RoutedEventArgs)       myCmd.Execute(sender, Nothing)     End Sub   End Class End Namespace