如何通过 wpf 中的行和列获取网格子项? [英] how to get grid children by its row and column in wpf?

问题描述

<Grid x:Name="LayoutRoot" HorizontalAlignment="Center" VerticalAlignment="Center" >
    <Grid.RowDefinitions>
        <RowDefinition Height="Auto"/>
        <RowDefinition Height="Auto"/>
    </Grid.RowDefinitions>
    <Grid.ColumnDefinitions>
        <ColumnDefinition Width="Auto"/>
        <ColumnDefinition Width="Auto"/>
    </Grid.ColumnDefinitions>
    <Button Width="150" Height="50" x:Name="Btn1" Content="Button1" Grid.Row="0" Grid.Column="0"/>
    <Button Width="150" Height="50" x:Name="Btn2" Content="Button2" Grid.Row="0" Grid.Column="1"/>
    <Button Width="150" Height="50" x:Name="Btn3" Content="Button3" Grid.Row="2" Grid.Column="0"/>
    <Button Width="150" Height="50" x:Name="Btn4" Content="Button4" Grid.Row="2" Grid.Column="1"/>
</Grid>

wpf 中的 C# 代码

C# code in wpf

Visual childVisual = (Visual)VisualTreeHelper.GetChild(LayoutRoot,0);

使用上面的代码，我可以获得网格的第一个子项(LayoutRoot).但我想通过它的行或列来获取网格子项.我该怎么办.

With above code i can get the First child of the grid(LayoutRoot).But i want to get grid child by it's rows or columns. What should i do for that.

提前致谢.

推荐答案

根据 Grid.GetRow 和 GetColumn 为每个孩子返回.

Filter the Grid.Children based on what Grid.GetRow and GetColumn returns for every child.

例如

var itemsInFirstRow = LayoutRoot.Children
                          .Cast<UIElement>()
                          .Where(i => Grid.GetRow(i) == 0);

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