<Window x:Class="Thumb控件移动.MainWindow"

         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"

         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"

         xmlns:local="clr-namespace:Thumb控件移动"

         mc:Ignorable="d"

         Title="MainWindow" Height="" Width="">

     <Grid Name="grid">

         <Grid Height="" Width="" Background="Red">

             <Thumb DragDelta="Thumb_DragDelta" Opacity="">

         </Thumb>

         </Grid>

     </Grid>

 </Window>

         private void Thumb_DragDelta(object sender, System.Windows.Controls.Primitives.DragDeltaEventArgs e)

         {

             Thickness margin = grid.Margin;

             margin.Top += e.VerticalChange;

             margin.Bottom -= e.VerticalChange;

             margin.Left += e.HorizontalChange;

             margin.Right -= e.HorizontalChange;

             grid.Margin = margin;

         }