如何從<ItemsControl.ItemTemplate><DataTemplate>更改代碼中的邊框寬度和高度

我想從代碼中獲取兩個邊框的寬度和高度，并以編程方式更改它們。我有一個按鈕可以改變它們的大小，但我不知道如何從我的課堂上得到它們。我該怎么做？兩者的大小始終相同

                    <ListBox ScrollViewer.HorizontalScrollBarVisibility="Disabled" ScrollViewer.VerticalScrollBarVisibility="Auto" x:Name="games_list" MouseDoubleClick="Games_list_MouseDoubleClick" Background="{StaticResource DefaultBackgroundColor}" Padding="10" BorderBrush="{x:Null}" Foreground="{x:Null}" SelectionChanged="Games_list_SelectionChanged" KeyDown="Games_list_KeyDown" MouseEnter="Games_list_MouseEnter" MouseLeave="Games_list_MouseLeave" >
                        <ItemsControl.ItemTemplate>
                            <DataTemplate>
                                <Border Margin="10" Width="150" Height="225" Background="{StaticResource DetailsColor}">
                                    <StackPanel>
                                        <Border Width="150" Height="225">
                                            <DockPanel>
                                                <Image Source="/icons/delete.png" Width="24" Height="24" HorizontalAlignment="Left" Margin="2" VerticalAlignment="Top" MouseLeftButtonUp="Delete_MouseLeftButtonUp" >
                                                    <Image.Effect>
                                                        <DropShadowEffect/>
                                                    </Image.Effect>
                                                </Image>
                                                <Image Source="/icons/info.png" Width="24" Height="24" HorizontalAlignment="Right" Margin="2" VerticalAlignment="Top" MouseLeftButtonUp="Info_MouseLeftButtonUp" >
                                                    <Image.Effect>
                                                        <DropShadowEffect/>
                                                    </Image.Effect>
                                                </Image>
                                            </DockPanel>
                                            <Border.Background>
                                                <ImageBrush ImageSource="{Binding Image_path}"/>
                                            </Border.Background>
                                        </Border>
                                        <Rectangle Fill="#4C000000"  Margin="0,-20,0,10" Height="20"/>
                                        <TextBlock Text="{Binding Name}" Foreground="White" FontSize="16" TextAlignment="Center" Margin="0,-32,0,44" />
                                    </StackPanel>
                                </Border>
                            </DataTemplate>
                        </ItemsControl.ItemTemplate>
                        <ItemsControl.ItemsPanel>
                            <ItemsPanelTemplate>
                                <WrapPanel/>
                            </ItemsPanelTemplate>
                        </ItemsControl.ItemsPanel>
                    </ListBox>

uj5u.com熱心網友回復：

你只需要設定一個

更新：

xml:

   <Grid Loaded="Grid_Loaded">
        <StackPanel Margin="30,40,37,81">
            <Border Name="border1" BorderBrush="Black" Margin="5" Loaded="Border_Loaded">
                <DockPanel Background="Black">
                </DockPanel>
            </Border>
        </StackPanel>
    </Grid>

代碼：

private void Border_Loaded(object sender, RoutedEventArgs e)
        {
            int c = 500;
            int d = 300;
            this.border1.SetBinding(Border.HeightProperty, new Binding(".") { Source = c });
            this.border1.SetBinding(Border.WidthProperty, new Binding(".") { Source = d }); 

        }

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