Windows Phone 上的 Bing 地图 - 将点击事件添加到图钉；显示更多详细信息

发布于 2024-12-02 21:13:58 字数 909 浏览 1 评论 0原文

我有一个使用 Bing 地图控件的 WP Phone 应用程序。我有一个对象数组，每个对象都有一个位置。我迭代数组以将图钉放置在地图上（见下文）。我将一个触摸事件绑定到每个引脚，以允许用户点击引脚来启动操作。

现在 - 我想点击一下，显示与要在文本框中显示的引脚相关的对象的信息。如何从数组中检索与点击/单击的图钉相对应的对象？

foreach (wikiResult result in arrayResults)
{
    double lat = double.Parse(result.Latitude, CultureInfo.InvariantCulture);
    double lng = double.Parse(result.Longitude, CultureInfo.InvariantCulture);
    statusTextBlock.Text = result.Latitude + "  " + result.Longitude + "  " + lat + "  " + lng;

    GeoCoordinate d = new GeoCoordinate(lat, lng);

    Pushpin pin;
    pin = new Pushpin();
    pin.Location = d;
    pin.Content = result.Name;
    pin.MouseLeftButtonUp += new MouseButtonEventHandler(pin1_MouseLeftButtonUp);
    myMap.Children.Add(pin);
}

void pin1_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
    //display the content from the object in a text box
}

非常感谢！

原文

I have a WP Phone app using a Bing Map control. I have an array of objects, and each object has a location. I iterate the array to place the pins on the map (see below). I have a touch event bound to each pin to allow the user to tap the pin to start an action.

Now - I would like, on tap, to show information from the object that relates to that pin to be shown in a textbox. How can I retrieve the object from the array that corresponds to the pushpin that was tapped/clicked?

foreach (wikiResult result in arrayResults)
{
    double lat = double.Parse(result.Latitude, CultureInfo.InvariantCulture);
    double lng = double.Parse(result.Longitude, CultureInfo.InvariantCulture);
    statusTextBlock.Text = result.Latitude + "  " + result.Longitude + "  " + lat + "  " + lng;

    GeoCoordinate d = new GeoCoordinate(lat, lng);

    Pushpin pin;
    pin = new Pushpin();
    pin.Location = d;
    pin.Content = result.Name;
    pin.MouseLeftButtonUp += new MouseButtonEventHandler(pin1_MouseLeftButtonUp);
    myMap.Children.Add(pin);
}

void pin1_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
    //display the content from the object in a text box
}

Many thanks in advance!

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小红帽 2024-12-09 21:13:58

sender 是 Pushpin，因此您可以简单地对其进行类型转换：

var pushpin = sender as Pushpin

然后您就可以访问它的内容。如果您需要更详细的绑定，请使用图钉的 Tag 属性。

另外，如果您使用的是 Windows Phone 7.1 (Mango)，我建议您使用 Pushpin 上的 Tap 事件。我还建议您考虑使用数据绑定，而不是从 C# 手动添加项目。

The sender is the Pushpin so you can simply typecast it:

var pushpin = sender as Pushpin

And then you can access it's content. If you need more detailed binding, use the Tag property of the Pushpin.

Also, I would suggest you use the Tap event on the Pushpin, if you're using Windows Phone 7.1 (Mango). And I would also recommend that you consider using databindings, instead of manually adding the items from C#.

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