我动态创建了弹出窗口,这些弹出窗口在C#代码后面的运行时创建,其中填充了来自xaml的内容,并且难以在后面的代码中绑定它们。现在,当它被创建时,它会遍历xaml中的项目并为每个项目创建一个相关的复选框:
ListView listView = new ListView();
//Create ListViewItem for each answer
foreach (Answer ans in Questions.DataUsedQuestion.AnswerOptions)
{
ListViewItem item = new ListViewItem();
StackPanel panel = new StackPanel();
CheckBox checkBox = new CheckBox();
TextBlock text = new TextBlock();
panel.Orientation = Orientation.Horizontal;
checkBox.Margin = new Thickness(5, 0, 10, 2);
text.Text = ans.DisplayValue;
panel.Children.Add(checkBox);
panel.Children.Add(text);
item.Content = panel;
listView.Items.Add(item);
}
我在应用程序的其他地方有类似的控件,这些控件绑定在xaml中,如下所示:
<TreeView ItemsSource="{Binding Path=AnswerOptions}" Height="320" Padding="5,5,5,5" Background="Transparent">
<TreeView.ItemTemplate >
<HierarchicalDataTemplate ItemsSource="{Binding Path=AnswerOptions}"
DataType="{x:Type QSB:Answer}" >
<StackPanel Orientation="Horizontal" Margin="0,2,0,2">
<CheckBox IsChecked="{Binding Path=IsSelected}" >
</CheckBox>
<TextBlock Text="{Binding DisplayValue}" Margin="5,0,0,0" />
</StackPanel>
</HierarchicalDataTemplate>
</TreeView.ItemTemplate>
如何在后面的代码中完成与上述相似的内容?
答案 0 :(得分:4)
查看MSDN文章How to: Create a Binding in Code。
你可以这样写:
Binding binding = new Binding("IsSelected");
binding.Source = ans;
checkBox.SetBinding(CheckBox.IsCheckedProperty, binding);
binding = new Binding("DisplayValue");
binding.Source = ans;
text.SetBinding(TextBlock.TextProperty, binding);