WPF 游戏计时器+线程计时延时执行

游戏计时器

<Window x:Class="WpfTimer.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="482.836" Width="630.97">
    <Canvas Margin="0,0,0,0">
        <TextBlock Canvas.Left="211" Height="100" Name="time_TextBlock" Text="" Width="194" FontSize="22" Foreground="#FFFCFC00" HorizontalAlignment="Center" TextAlignment="Center" />
        <Button Canvas.Left="10" Canvas.Top="70" Content="开始游戏" Height="30" Name="startStopButton" Width="100" Click="StartOrStop" />
        <Button Canvas.Left="10" Canvas.Top="10" Content="重置" Height="30" Name="resetButton" Width="100" Click="Reset" />
        <TextBlock Canvas.Left="10" Height="251" Name="timeRecord_TextBlock" Width="508" FontSize="20" Foreground="#FFFCFC00" HorizontalAlignment="Center" TextAlignment="Center" Canvas.Top="178" />
    </Canvas>
</Window>
<Window x:Class="WpfTimer.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="482.836" Width="630.97">
    <Canvas Margin="0,0,0,0">
        <TextBlock Canvas.Left="211" Height="100" Name="time_TextBlock" Text="" Width="194" FontSize="22" Foreground="#FFFCFC00" HorizontalAlignment="Center" TextAlignment="Center" />
        <Button Canvas.Left="10" Canvas.Top="70" Content="开始游戏" Height="30" Name="startStopButton" Width="100" Click="StartOrStop" />
        <Button Canvas.Left="10" Canvas.Top="10" Content="重置" Height="30" Name="resetButton" Width="100" Click="Reset" />
        <TextBlock Canvas.Left="10" Height="251" Name="timeRecord_TextBlock" Width="508" FontSize="20" Foreground="#FFFCFC00" HorizontalAlignment="Center" TextAlignment="Center" Canvas.Top="178" />
    </Canvas>
</Window>

前台XAML