WillDelete.xaml

<ContentDialog
    x:Class="CountDown_Day.WillDelete"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:CountDown_Day"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d"
    Title="删除"
    PrimaryButtonText="确定"
    SecondaryButtonText="取消"
    PrimaryButtonClick="ContentDialog_PrimaryButtonClick"
    SecondaryButtonClick="ContentDialog_SecondaryButtonClick"
    Loaded="ContentDialog_Loaded">

    <Grid>
        <TextBlock x:Name="TTil" Text=""/>
    </Grid>
</ContentDialog>