Xamarin 教程 - 使用 C# 生成第一个 iOS & Android 应用

<Frame BackgroundColor="#2196F3" Padding="24" CornerRadius="0" >

<Frame BackgroundColor="DeepPink" Padding="24" CornerRadius="0" >

  <Frame BackgroundColor="DeepPink" Padding="24" CornerRadius="0">
    <Label Text="Welcome to Xamarin.Forms!" HorizontalTextAlignment="Center" TextColor="White" FontSize="36"/>
  </Frame>

<Button Text="Click Me" />

  <Button Text="Click Me" Clicked="Handle_Clicked" />

int count = 0;
void Handle_Clicked(object sender, System.EventArgs e)
{
    count++;
    ((Button)sender).Text = $"You clicked {count} times.";
}

public partial class MainPage : ContentPage
{
    public MainPage()
    {
        InitializeComponent();
    }
    int count = 0;
    void Handle_Clicked(object sender, System.EventArgs e)
    {
        count++;
        ((Button)sender).Text = $"You clicked {count} times.";
    }
}