WPF例項(一)
阿新 • • 發佈:2021-01-26
時鐘程式
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
namespace CLOCK
{
using System.Threading;
using System.Windows.Threading;
/// <summary>
/// MainWindow.xaml 的互動邏輯
/// </summary>
public partial class MainWindow : Window
{
//計時器
System.Timers.Timer timer = new System.Timers.Timer(1000);
public MainWindow()
{
InitializeComponent();
#region 初始化時間
secondPointer.Angle = DateTime.Now.Second * 6;
minutePointer.Angle = DateTime.Now.Minute * 6;
hourPointer. Angle = (DateTime.Now.Hour * 30) + (DateTime.Now.Minute * 0.5);
this.labTime.Content = DateTime.Now.ToString("HH:mm:ss");
#endregion
timer.Elapsed += new System.Timers.ElapsedEventHandler(timer_Elapsed);
timer.Enabled = true;
}
private void Grid_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
//進行拖放移動
this.DragMove();
}
private void timer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
{
//UI非同步更新
this.Dispatcher.Invoke(DispatcherPriority.Normal, (Action)(() =>
{
//秒針轉動,秒針繞一圈360度,共60秒,所以1秒轉動6度
secondPointer.Angle = DateTime.Now.Second * 6;
//分針轉動,分針繞一圈360度,共60分,所以1分轉動6度
minutePointer.Angle = DateTime.Now.Minute * 6;
//時針轉動,時針繞一圈360度,共12時,所以1時轉動30度。
//另外同一個小時內,隨著分鐘數的變化(繞一圈60分鐘),時針也在緩慢變化(轉動30度,30/60=0.5)
hourPointer.Angle = (DateTime.Now.Hour * 30) + (DateTime.Now.Minute * 0.5);
//更新時間值
this.labTime.Content = DateTime.Now.ToString("HH:mm:ss");
}));
}
}
}
<Window x:Class="CLOCK.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="MainWindow" Margin="2" Height="327" Width="311" AllowsTransparency="True"
WindowStyle="None" Background="Transparent" WindowStartupLocation="CenterScreen"
ResizeMode="NoResize" Topmost="False" Opacity="1">
<Grid Width="300" Height="300" MouseLeftButtonDown="Grid_MouseLeftButtonDown">
<Grid.Background>
<LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
<GradientStop Color="#FF5E8120" Offset="0"/>
<GradientStop Color="#FFF0B311" Offset="1"/>
</LinearGradientBrush>
</Grid.Background>
<Ellipse HorizontalAlignment="Left" Height="262" Margin="18,20,0,0" VerticalAlignment="Top" Width="265">
<Ellipse.Fill>
<LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
<GradientStop Color="#FFCFB724" Offset="0"/>
<GradientStop Color="#FFA3E445" Offset="1"/>
</LinearGradientBrush>
</Ellipse.Fill>
<Ellipse.Stroke>
<LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
<GradientStop Color="#FFE8CA11" Offset="0"/>
<GradientStop Color="#FFA3E445" Offset="1"/>
</LinearGradientBrush>
</Ellipse.Stroke>
</Ellipse>
<Label x:Name="lab商標" Foreground="White" Margin="0,0,0,211" HorizontalAlignment="Center" VerticalAlignment="Bottom" Height="Auto" Width="Auto" FontSize="13" Content="SunMoon" />
<Label x:Name="lab建立時間" Foreground="White" Margin="0,91,0,0" HorizontalAlignment="Center" VerticalAlignment="Top" Height="Auto" Width="Auto" Content="2020"/>
<!-- 秒針定義 -->
<Rectangle Margin="150,0,149,150" x:Name="rectangleSecond" Stroke="#FFF1A115" Height="120" VerticalAlignment="Bottom" Width="1">
<Rectangle.RenderTransform>
<RotateTransform x:Name="secondPointer" CenterX="0" CenterY="120" Angle="0"/>
</Rectangle.RenderTransform>
</Rectangle>
<Rectangle Margin="150,50,149,150" x:Name="rectangleMinute" Stroke="#FF12A612" Width="1">
<Rectangle.RenderTransform>
<RotateTransform x:Name="minutePointer" CenterX="0" CenterY="100" Angle="45"/>
</Rectangle.RenderTransform>
</Rectangle>
<!-- 時針定義 -->
<Rectangle Margin="150,80,149,150" x:Name="rectangleHour" Stroke="#FFF3F30B" Width="1">
<Rectangle.RenderTransform>
<RotateTransform x:Name="hourPointer" CenterX="0" CenterY="70" Angle="90" />
</Rectangle.RenderTransform>
</Rectangle>
<Label Content="00:00:00" FontSize="16" Foreground="White" Height="Auto" HorizontalAlignment="Center" Margin="114,0,113,86" x:Name="labTime" VerticalAlignment="Bottom" Width="Auto" />
</Grid>
</Window>