动态创建WrapPanel按钮 [英] Dynamically creating WrapPanel buttons

问题描述

我有一个表，用于存储购买的物品和NHibernate中使用的实体类:

I have a table storing purchased items and the entity class using in NHibernate:

public class PurchasedItem
{
    public virtual int Id          { get; set; }
    public virtual Product Product { get; set; }
    public virtual int SortSale    { get; set; }
}

我想通过从PurchasedItems表(IList <PurchasedItem>对象)获取所有记录来减少代码重复.记录已按SortSale列按降序排序.基于IList <PurchasedItem>对象创建WrapPanel按钮的最佳方法是什么?我也想为每个按钮分配事件处理程序.该按钮显示带有产品名称的标题.

I would like to reduce the code duplication by getting all records from the PurchasedItems table (IList <PurchasedItem> object). Records have been sorted in descending order by SortSale column. What's the best way of creating WrapPanel buttons based on the IList <PurchasedItem> object? I would like to assign the event handler for each button as well. The button displays a title with the name of the product.

推荐答案

您需要使用WrapPanel作为ItemsPanel创建一个列表框.在XAML中，您可以执行以下操作:

You'll need to create a listbox using a WrapPanel as the ItemsPanel. In XAML you can do the following:

<ListBox Name="MyList" ItemsSource={StaticResource YourList}>
    <ListBox.ItemsPanel>
        <ItemsPanelTemplate>
            <WrapPanel/>
        </ItemsPanelTemplate>
    </ListBox.ItemsPanel>
    <ListBox.ItemTemplate>
        <DataTemplate>
            <Button Height="40" MinWidth="40" Content="{Binding Id}" Click="Button_Click"/>
        </DataTemplate>
    </ListBox.ItemTemplate>
</ListBox>

在此示例中，我假设YourList是PurchasedItem的列表.您还可以从代码中设置ItemsSource(即:MyList.ItemsSource = YourList;).当您单击按钮时，它将调用以下内容，该内容将显示一个包含所需内容的消息框:

In this example, I assume YourList is a list of PurchasedItem's. You can also set the ItemsSource from code (ie: MyList.ItemsSource = YourList;). When you click the Button, it'll call the following which can display a messagebox containing whatever you need:

    private void Button_Click(object sender, RoutedEventArgs e)
    {
        MessageBox.Show(((sender as Button).DataContext as PurchasedItem).Product.Name);
    }

请注意，我将按钮的内容设置为PurchasedItem的ID，因此您可能需要更改它.

Note that I set the Content of the Button to the Id of the PurchasedItem so you'll probably want to change that.

这篇关于动态创建WrapPanel按钮的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！