public partial class ClientMap: ContentPage
{
ClientCoordinateviewModel viewModel= new ClientCoordinateviewModel ();
Client client;
public ClientMap(Client selected_client)
{
Title = klient.Select_client_name;
InitializeComponent();
BindingContext = viewModel;
client= selected_client;
map = new Map(MapSpan.FromCenterAndRadius(new Position(37, -122), Distance.FromMiles(10)));
//Just a test pin
var pin = new Pin()
{
Position = new Position(37, -122),
Label = "Some Pin!"
};
map.Pins.Add(pin);
Content = map;
}
protected override void OnAppearing()
{
base.OnAppearing();
if (viewModel.CoordinateParnertPins.Count == 0)
{
viewModel.CommandGetCoordinatePins.Execute(client);
}
}
}
我正在尝试使用 MVVM 模式。当命令执行时,我得到一个引脚列表。我的问题是如何将图钉添加到地图上?如果在 ClientMap() 构造函数中定义,则引脚列表为空。有什么建议么?