zhao:1确认按钮增加快捷Enter键

XHWK.WKTool/CreateAMicroLessonWindow.xaml

             </Button>
         </StackPanel>
         <!--第四行 开始按钮-->
-        <Button  Cursor="Hand" Grid.Row="3" x:Name="btnStart" Content="开始" FontSize="18" FontWeight="Bold" Foreground="#FFFFFF" Style="{StaticResource {x:Static ToolBar.ButtonStyleKey}}" Width="386" Height="48" Margin="30,0,30,0" Click="BtnStart_Click" Grid.ColumnSpan="2">
+        <Button  Cursor="Hand" Grid.Row="3" x:Name="btnStart" IsDefault="True" Content="开始" FontSize="18" FontWeight="Bold" Foreground="#FFFFFF" Style="{StaticResource {x:Static ToolBar.ButtonStyleKey}}" Width="386" Height="48" Margin="30,0,30,0" Click="BtnStart_Click" Grid.ColumnSpan="2">
             <Button.Template>
                 <ControlTemplate TargetType="{x:Type Button}">
                     <Border

XHWK.WKTool/KeyVerification.xaml

             <Button Cursor="Hand"
                 x:Name="btnEnd"
                 Grid.Row="2"
+                    IsDefault="True"
                 Height="48"
                 Margin="30,0,30,0"
                 Click="btnEnd_Click"

XHWK.WKTool/LoginWindow.xaml

         </StackPanel>
 
         <!--第五行 开始按钮-->
-        <Button  Cursor="Hand" Grid.Row="4" x:Name="btnStart" Content="登录" FontSize="18" Foreground="#FFFFFF" FontWeight="Bold" Style="{StaticResource {x:Static ToolBar.ButtonStyleKey}}" Width="394" Height="48" Margin="30,0,30,0" Click="BtnStart_Click">
+        <Button  Cursor="Hand" Grid.Row="4" x:Name="btnStart" Content="登录" FontSize="18" Foreground="#FFFFFF" FontWeight="Bold" Style="{StaticResource {x:Static ToolBar.ButtonStyleKey}}" Width="394" Height="48" Margin="30,0,30,0" Click="BtnStart_Click" IsDefault="True">
             <Button.Template>
                 <ControlTemplate TargetType="{x:Type Button}">
                     <Border

XHWK.WKTool/MessageWindow.xaml

         </Grid>
         <Grid Grid.Row="2" Margin="0,0,0,0">
             <Border x:Name="borOk" Background="#2D8CF0" CornerRadius="6" HorizontalAlignment="Right" VerticalAlignment="Bottom" Margin="0,0,30,20">
-                <Button x:Name="BtnOK" Width="104" Height="42" Content="确定" FontSize="20"  Background="#00000000"  BorderBrush="{x:Null}" Style="{StaticResource {x:Static ToolBar.ButtonStyleKey}}" Foreground="White"  Cursor="Hand" Click="BtnOK_Click"/>
+                <Button x:Name="BtnOK" Width="104" Height="42" Content="确定" FontSize="20"  Background="#00000000"  BorderBrush="{x:Null}" Style="{StaticResource {x:Static ToolBar.ButtonStyleKey}}" Foreground="White"  Cursor="Hand" Click="BtnOK_Click" IsDefault="True"/>
             </Border>
             <Border x:Name="borCancel" Background="#E5E5E5" CornerRadius="6"  HorizontalAlignment="Right" VerticalAlignment="Bottom" Margin="0,0,150,20">
                 <Button x:Name="BtnCancel" Width="104" Height="42" Content="取消" FontSize="20" Background="#00000000" BorderBrush="{x:Null}"  Style="{StaticResource {x:Static ToolBar.ButtonStyleKey}}"  Cursor="Hand" Click="BtnCancel_Click"/>

XHWK.WKTool/UploadWindow.xaml

                 </ComboBox.Resources>
             </ComboBox>
             <!--第四行 开始按钮-->
-            <Button  Cursor="Hand" Grid.Row="4" x:Name="btnStart" Content="确定" FontSize="18" Foreground="#FFFFFF" Style="{StaticResource {x:Static ToolBar.ButtonStyleKey}}" Width="418" Height="43" Margin="10,0,10,0" Click="BtnStart_Click">
+            <Button  Cursor="Hand" Grid.Row="4" IsDefault="True" x:Name="btnStart" Content="确定" FontSize="18" Foreground="#FFFFFF" Style="{StaticResource {x:Static ToolBar.ButtonStyleKey}}" Width="418" Height="43" Margin="10,0,10,0" Click="BtnStart_Click">
                 <Button.Template>
                     <ControlTemplate TargetType="{x:Type Button}">
                         <Border