public MainPage()
{
InitializeComponent();
//var cities = new ObservableCollection<City>()
//{
// new City() { Key = 1, CityName = "Keelung", Regions = { new Region { RegionName = "CenterK" }, new Region { RegionName = "EastK" }, new Region { RegionName = "NorthK" }, new Region { RegionName = "WestK" }, new Region { RegionName = "SouthK" }, } },
// new City() { Key = 2, CityName = "Hsinchu", Regions = { new Region { RegionName= "HEast" }, new Region { RegionName = "HNorth" }, new Region { RegionName = "HCenter" } } },
// new City() { Key = 3, CityName = "Chiayi", Regions = { new Region { RegionName = "CEast" }, new Region { RegionName = "CWest" } } }
//};
var cities = new ObservableCollection <City>()
{
new City()
{
Key = 1, CityName = "Keelung", Regions = { new Region {
RegionName = "CenterK", Streets ={ new Street {
StreetName = "Street1_0"
}, new Street {
StreetName = "Street1_1"
} }
}, new Region{
RegionName = "EastK", Streets ={ new Street {
StreetName = "Street1_2"
}, new Street {
StreetName = "Street1_3"
} }
}, new Region{
RegionName = "NorthK", Streets ={ new Street {
StreetName = "Street1_4"
}, new Street {
StreetName = "Street1_4"
} }
}, new Region{
RegionName = "WestK", Streets ={ new Street {
StreetName = "Street1_5"
}, new Street {
StreetName = "Street1_6"
} }
}, new Region{
RegionName = "SouthK", Streets ={ new Street {
StreetName = "Street1_7"
}, new Street {
StreetName = "Street1_8"
} }
}, }
},
new City()
{
Key = 2, CityName = "Hsinchu", Regions = { new Region {
RegionName = "HEast", Streets ={ new Street {
StreetName = "Street2_0"
}, new Street {
StreetName = "Street2_1"
} }
}, new Region{
RegionName = "HNorth", Streets ={ new Street {
StreetName = "Street2_2"
}, new Street {
StreetName = "Street2_3"
} }
}, new Region{
RegionName = "HCenter", Streets ={ new Street {
StreetName = "Street2_4"
}, new Street {
StreetName = "Street2_5"
} }
} }
},
new City()
{
Key = 3, CityName = "Chiayi", Regions = { new Region {
RegionName = "CEast", Streets ={ new Street {
StreetName = "Street3_0"
}, new Street {
StreetName = "Street3_1"
} }
}, new Region{
RegionName = "CWest", Streets ={ new Street {
StreetName = "Street3_2"
}, new Street {
StreetName = "Street3_3"
} }
} }
}
};
CityViewModel cityViewModel = new CityViewModel();
cityViewModel.Cities = cities;
BindingContext = cityViewModel;
}
private void DiameterPicker_SelectedIndexChanged(object sender, EventArgs e)
{
CityViewModel viewModel = BindingContext as CityViewModel;
RegionPicker.ItemsSource = viewModel.Cities[((Picker)sender).SelectedIndex].Regions;
}
