wpf 如何以编程方式为网格的单元格创建边框
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How to programmatically create border for cells of a Grid
提问by user2192101
<Grid x:Name="LayoutGrid" Visibility="Visible" Background="Transparent" Canvas.Left="20">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="200"/>
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="50" />
<RowDefinition Height="Auto" />
<RowDefinition Height="600" />
</Grid.RowDefinitions>
<Border Grid.Row="0" Grid.Column="0" BorderBrush="Black" BorderThickness="1" />
<Border Grid.Row="2" Grid.Column="0" BorderBrush="Black" BorderThickness="1" />
</Grid>
In this XAML code I am putting a border in two cells of a grid. I need to change the design and do the same thing in C# instead. I know how to instantiate a Border in C# and assign it properties, but how do I associate each Border object with the correct cell in the Grid? (named here 'LayoutGrid' ). In other words how do I do in C# what the element is doing in the XAML code above?
在此 XAML 代码中，我在网格的两个单元格中放置了一个边框。我需要更改设计并在 C# 中做同样的事情。我知道如何在 C# 中实例化一个 Border 并为其分配属性，但是如何将每个 Border 对象与网格中的正确单元格相关联？（此处命名为 'LayoutGrid' ）。换句话说，我如何在 C# 中执行元素在上面的 XAML 代码中执行的操作？
回答by dkozl
Assuming that myBorderis already child of LayoutGrid
假设myBorder已经是LayoutGrid
var myBorder = new Border();
LayoutGrid.Children.Add(myBorder)
you either use Gridstatic methods
你要么使用Grid静态方法
Grid.SetColumn(myBorder, 0);
Grid.SetRow(myBorder, 1);
or set DependencyPropertyit directly
或者DependencyProperty直接设置
myBorder.SetValue(Grid.ColumnProperty, 0);
myBorder.SetValue(Grid.RowProperty, 1);
回答by J Armbruster
You need to add a Brush:
您需要添加一个画笔：
Border brdr = new Border()
{
BorderThickness = new Thickness()
{
Bottom = 1,
Left = 1,
Right = 1,
Top = 1
},
BorderBrush = new SolidColorBrush(Colors.Black)
};
Then the code listed above will work.
然后上面列出的代码将起作用。
