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我在我的xamarin.forms應用程序中使用網格視圖，其中我需要處理每個網格子項的事件。我怎麼知道哪一個被點擊而不是手動執行。在此先感謝 代碼：Xamarin.forms grib佈局點擊監聽器
namespace eSewaXamarin
{
public class QuickMenu:ContentPage
{
public QuickMenu(){
this.Title="QuickMenu";
this.BackgroundColor =Colors.lightGrey ;
int rowHeight = 100;
Grid grid = new Grid {
BackgroundColor = Color.FromHex("E0E0E0"),
Padding = new Thickness(10, 0, 10, 0),
RowSpacing=5,
ColumnSpacing=5,
RowDefinitions={
new RowDefinition{Height=rowHeight},
new RowDefinition{Height=115},
new RowDefinition{Height=rowHeight},
new RowDefinition{Height=115}
},
ColumnDefinitions = {
new ColumnDefinition {},
new ColumnDefinition {}
}
};
var contentView00=new ContentView();
contentView00 = getContentView (0, 0);
grid.Children.Add(contentView00, 0,0);
var contentView10=new ContentView();
contentView10 = getContentView (1, 0);
grid.Children.Add(contentView10, 1,0);
var contentView01=new ContentView();
contentView01 = getContentView (0, 1);
grid.Children.Add(contentView01, 0,1);
var contentView11=new ContentView();
contentView11 = getContentView (1, 1);
grid.Children.Add(contentView11, 1,1);
var contentView02=new ContentView();
contentView02 = getContentView (0, 2);
grid.Children.Add(contentView02, 0,2);
var contentView12=new ContentView();
contentView12 = getContentView (1, 2);
grid.Children.Add(contentView12, 1,2);
var contentView03=new ContentView();
contentView03 = getContentView (0, 3);
grid.Children.Add(contentView03, 0,3);
var contentView13=new ContentView();
contentView13 = getContentView (1, 3);
grid.Children.Add(contentView13, 1,3);
// Accomodate iPhone status bar.
this.Padding = new Thickness(0, Device.OnPlatform(30, 10, 10), 0, 0);
var fonePayIcon = new Image{
Aspect = Aspect.AspectFit,
};
fonePayIcon.Source = ImageSource.FromFile ("footer_logo.png");
// Build the page.
this.Content = new ScrollView {
Content = new StackLayout{
Children={grid,new StackLayout{
Padding=new Thickness(0,8,0,8),
BackgroundColor=Color.FromHex ("dfdfdf"),
VerticalOptions=LayoutOptions.EndAndExpand,
Children={fonePayIcon}
}
}
}
};
// this.ToolbarItems.Add (new ToolbarItem() { Icon = "icinformations.png", Command = new Command(()=> App.GoTo("info")) });
var tgr = new TapGestureRecognizer { NumberOfTapsRequired = 1 };
tgr.Tapped += OnTapGestureRecognizerTapped;
contentView00.GestureRecognizers.Add(tgr);
}
void OnTapGestureRecognizerTapped(object sender, EventArgs args)
{
//AppLog.showlog ("Args:::::: "+ args.);
Navigation.PushModalAsync (new NtcPrepaid());
}
ContentView getContentView(int r,int c){
var serviceIcon = new Image{ Aspect = Aspect.AspectFit};
String serviceName="";
if (r == 0 && c == 0) {
serviceIcon.Source = ImageSource.FromFile ("ntc.png");
serviceName = Strings.quickMenulabel00;
} else if (r == 1 && c == 0) {
serviceIcon.Source = ImageSource.FromFile ("recharge_cards.png");
serviceName = Strings.quickMenulabel10;
}else if (r == 0 && c == 1) {
serviceIcon.Source = ImageSource.FromFile ("ncellone.png");
serviceName = Strings.quickMenulabel01;
}else if (r == 1 && c == 1) {
serviceIcon.Source = ImageSource.FromFile ("ntc.png");
serviceName = Strings.quickMenulabel11;
}else if (r == 0 && c == 2) {
serviceIcon.Source = ImageSource.FromFile ("adsl.png");
serviceName = Strings.quickMenulabel02;
}else if (r == 1 && c ==2) {
serviceIcon.Source = ImageSource.FromFile ("dishhome.png");
serviceName = Strings.quickMenulabel12;
}else if (r == 0 && c == 3) {
serviceIcon.Source = ImageSource.FromFile ("sim_tv.png");
serviceName = Strings.quickMenulabel03;
}else if (r == 1 && c == 3) {
serviceIcon.Source = ImageSource.FromFile ("esewa_transfer.png");
serviceName = Strings.quickMenulabel13;
}
var label = new Label {
TextColor=Colors.black,
Text = serviceName,
XAlign = TextAlignment.Center
};
var contentView=new ContentView{
BackgroundColor=Color.White,
Content=new StackLayout{
Children={new StackLayout{
Padding=new Thickness(0,20,0,0),
Children={serviceIcon}},label}
}
};
return contentView;
}
}
}