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https://gitee.com/akwkevin/aistudio.-wpf.-diagram
synced 2026-04-07 17:56:35 +08:00
项目结构调整
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<UserControl x:Class="Wpf.CartesianChart.ManualZAndP.ManualZAndPExample"
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xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
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xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
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xmlns:local="clr-namespace:Wpf.CartesianChart.ManualZAndP"
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xmlns:lvc="clr-namespace:LiveCharts.Wpf;assembly=LiveCharts.Wpf"
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mc:Ignorable="d"
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d:DesignHeight="300" d:DesignWidth="300">
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<Grid>
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<Grid.RowDefinitions>
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<RowDefinition Height="Auto"></RowDefinition>
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<RowDefinition Height="Auto"></RowDefinition>
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<RowDefinition Height="*"></RowDefinition>
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</Grid.RowDefinitions>
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<StackPanel Grid.Row="0" Orientation="Horizontal">
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<Button Click="PrevOnClick">Prev</Button>
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<Button Click="NextOnClick">Next</Button>
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</StackPanel>
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<Button Grid.Row="1" Click="ManualZoom" HorizontalAlignment="Left">Zoom to 5 > x < 10</Button>
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<lvc:CartesianChart Grid.Row="2">
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<lvc:CartesianChart.Series>
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<lvc:LineSeries Values="{Binding Values}"></lvc:LineSeries>
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</lvc:CartesianChart.Series>
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<lvc:CartesianChart.AxisX>
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<lvc:Axis MinValue="{Binding From}" MaxValue="{Binding To}"
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Separator="{x:Static lvc:DefaultAxes.CleanSeparator}">
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</lvc:Axis>
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</lvc:CartesianChart.AxisX>
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</lvc:CartesianChart>
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</Grid>
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</UserControl>
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using System;
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using System.ComponentModel;
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using System.Windows;
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using System.Windows.Controls;
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using LiveCharts;
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using Wpf.Annotations;
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namespace Wpf.CartesianChart.ManualZAndP
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{
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public partial class ManualZAndPExample : UserControl, INotifyPropertyChanged
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{
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private double _to;
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private double _from;
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public ManualZAndPExample()
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{
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InitializeComponent();
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Values = new ChartValues<double>();
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var r = new Random();
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for (var i = 0; i < 100; i++)
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{
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Values.Add(r.Next(0, 10));
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}
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//In this case we are paginating the data only showing the first 25 records
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//clicking the buttons previous and next changes the page
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From = 0;
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To = 25;
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DataContext = this;
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}
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public ChartValues<double> Values { get; set; }
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public double From
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{
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get { return _from; }
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set
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{
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_from = value;
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OnPropertyChanged("From");
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}
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}
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public double To
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{
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get { return _to; }
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set
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{
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_to = value;
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OnPropertyChanged("To");
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}
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}
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public event PropertyChangedEventHandler PropertyChanged;
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protected virtual void OnPropertyChanged(string propertyName = null)
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{
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if (PropertyChanged != null)
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PropertyChanged.Invoke(this, new PropertyChangedEventArgs(propertyName));
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}
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private void NextOnClick(object sender, RoutedEventArgs e)
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{
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From += 25;
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To += 25;
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}
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private void PrevOnClick(object sender, RoutedEventArgs e)
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{
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From -= 25;
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To -= 25;
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}
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private void ManualZoom(object sender, RoutedEventArgs e)
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{
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//you only need to change the axis limits to zoom in/out any axis.
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From = 5;
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To = 10;
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}
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}
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}
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