WPF实现能自由改变形状的四边形和六边形

效果图

实现步骤

程序的C#部分，使用简单的三角函数实现正六边形的确定

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 path
{
  /// <summary>
  /// Interaction logic for MainWindow.xaml
  /// </summary>
  public partial class MainWindow : Window
  {
      public MainWindow()
      {
          InitializeComponent();
          LineSegment line1 = new LineSegment(new Point(0.5 + 0.5 * Math.Cos(Math.PI / 6), 0.5 + 0.5 * Math.Cos(Math.PI / 3)), true);
          LineSegment line2=new LineSegment(new Point(0.5+0.5*Math.Cos(Math.PI/6), 0.5-0.5*Math.Cos(Math.PI/3)), true);

          PathFigure figure1 = new PathFigure();
          figure1.StartPoint = new Point(0.5 - 0.5 * Math.Cos(Math.PI / 6), 0.5 - 0.5 * Math.Cos(Math.PI / 3));
          figure1.Segments.Add(line1);
          PathFigure figure2 = new PathFigure();
          figure2.StartPoint = new Point(0.5 - 0.5 * Math.Cos(Math.PI / 6), 0.5 + 0.5 * Math.Cos(Math.PI / 3));
          figure2.Segments.Add(line2);

          PathGeometry path1 = new PathGeometry();
          path1.Figures.Add(figure1);
          PathGeometry path2 = new PathGeometry();
          path2.Figures.Add(figure2);

          x1.Geometry = path1;
          x2.Geometry = path2;
      }

      private void Slider1_ValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)
      {
          ChangeGeometry();
      }
      private void Slider2_ValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)
      {
          ChangeGeometry();
      }
      private void Slider3_ValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)
      {
          ChangeGeometry();
      }
      private void Slider4_ValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)
      {
          ChangeGeometry();
      }

      private void ChangeGeometry()
      {
          LineSegment l1 = new LineSegment(new Point(0.5, (100 - s1.Value) / 200), true);
          LineSegment l2 = new LineSegment(new Point((100 - s3.Value) / 200, 0.5), true);
          LineSegment l3 = new LineSegment(new Point(0.5, (100 + s2.Value) / 200), true);
          LineSegment l4 = new LineSegment(new Point((100 + s4.Value) / 200, 0.5), true);

          PathFigure pathFigure = new PathFigure();
          pathFigure.StartPoint = new Point(0.5, (100 - s1.Value) / 200);
          pathFigure.Segments.Add(l2);
          pathFigure.Segments.Add(l3);
          pathFigure.Segments.Add(l4);
          pathFigure.Segments.Add(l1);

          PathGeometry pathGeometry = new PathGeometry();
          pathGeometry.Figures.Add(pathFigure);

          gd.Geometry = pathGeometry;
          gd.Pen = new Pen(new SolidColorBrush(Colors.Black), 0.005);
      }
      private void Slider61_ValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)
      {
          ChangeGeometry6();
      }
      private void Slider62_ValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)
      {
          ChangeGeometry6();
      }
      private void Slider63_ValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)
      {
          ChangeGeometry6();
      }
      private void Slider64_ValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)
      {
          ChangeGeometry6();
      }
      private void Slider65_ValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)
      {
          ChangeGeometry6();
      }
      private void Slider66_ValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)
      {
          ChangeGeometry6();
      }
      private void ChangeGeometry6()
      {
          LineSegment l1 = new LineSegment(new Point(0.5, (100 - s61.Value) / 200), true);
          LineSegment l2 = new LineSegment(new Point(s62.Value * Math.Cos(Math.PI / 6) / 200 + 0.5, 0.5 - s62.Value * Math.Cos(Math.PI / 3) / 200), true);
          LineSegment l3 = new LineSegment(new Point(s63.Value * Math.Cos(Math.PI / 6) / 200 + 0.5, 0.5 + s63.Value * Math.Cos(Math.PI / 3) / 200), true);
          LineSegment l4 = new LineSegment(new Point(0.5, (100 + s64.Value) / 200), true);
          LineSegment l5 = new LineSegment(new Point(0.5 - s65.Value * Math.Cos(Math.PI / 6) / 200, 0.5 + s65.Value * Math.Cos(Math.PI / 3) / 200), true);
          LineSegment l6 = new LineSegment(new Point(0.5 - s66.Value * Math.Cos(Math.PI / 6) / 200, 0.5 - s66.Value * Math.Cos(Math.PI / 3) / 200), true);

          PathFigure pathFigure = new PathFigure();
          pathFigure.StartPoint = new Point(0.5, (100 - s61.Value) / 200);
          pathFigure.Segments.Add(l2);
          pathFigure.Segments.Add(l3);
          pathFigure.Segments.Add(l4);
          pathFigure.Segments.Add(l5);
          pathFigure.Segments.Add(l6);
          pathFigure.Segments.Add(l1);

          PathGeometry pathGeometry = new PathGeometry();
          pathGeometry.Figures.Add(pathFigure);

          gd6.Geometry = pathGeometry;
          gd6.Pen = new Pen(new SolidColorBrush(Colors.Black), 0.005);
      }
  }
}

C#的xaml部分

<Window x:Class="path.MainWindow"
      xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
      xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
      xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
      xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
      xmlns:local="clr-namespace:path"
      mc:Ignorable="d"
      Title="MainWindow" Height="500" Width="500">
  <Window.Resources>
  	<!-- 自定义slider -->
      <Style x:Key="RepeatButtonLeftTransparent" TargetType="{x:Type RepeatButton}">
          <Setter Property="OverridesDefaultStyle" Value="true"/>
          <Setter Property="Focusable" Value="false"/>
          <Setter Property="IsTabStop" Value="false"/>
          <Setter Property="Template">
              <Setter.Value>
                  <ControlTemplate TargetType="{x:Type RepeatButton}">
                      <Border Background="RoyalBlue" Height="4"/>
                  </ControlTemplate>
              </Setter.Value>
          </Setter>
      </Style>
      <Style x:Key="RepeatButtonRightTransparent" TargetType="{x:Type RepeatButton}">
          <Setter Property="OverridesDefaultStyle" Value="true"/>
          <Setter Property="Focusable" Value="false"/>
          <Setter Property="IsTabStop" Value="false"/>
          <Setter Property="Template">
              <Setter.Value>
                  <ControlTemplate TargetType="{x:Type RepeatButton}">
                      <Border Background="Transparent" Height="4"/>
                  </ControlTemplate>
              </Setter.Value>
          </Setter>
      </Style>
      <SolidColorBrush x:Key="SliderThumb.Static.Background" Color="#FFF0F0F0"/>
      <SolidColorBrush x:Key="SliderThumb.Static.Border" Color="#FFACACAC"/>
      <SolidColorBrush x:Key="SliderThumb.Static.Foreground" Color="#FFE5E5E5"/>
      <SolidColorBrush x:Key="SliderThumb.MouseOver.Background" Color="#FFDCECFC"/>
      <SolidColorBrush x:Key="SliderThumb.MouseOver.Border" Color="#FF7Eb4EA"/>
      <SolidColorBrush x:Key="SliderThumb.Pressed.Background" Color="#FFDAECFC"/>
      <SolidColorBrush x:Key="SliderThumb.Pressed.Border" Color="#FF569DE5"/>
      <SolidColorBrush x:Key="SliderThumb.Disabled.Background" Color="#FFF0F0F0"/>
      <SolidColorBrush x:Key="SliderThumb.Disabled.Border" Color="#FFD9D9D9"/>
      <SolidColorBrush x:Key="SliderThumb.Track.Background" Color="#FFE7EAEA"/>
      <SolidColorBrush x:Key="SliderThumb.Track.Border" Color="#FFD6D6D6"/>
      <ControlTemplate x:Key="SliderThumbHorizontalDefault" TargetType="{x:Type Thumb}">
          <Grid HorizontalAlignment="Center" UseLayoutRounding="True" VerticalAlignment="Center">
              <Ellipse Width="12" Height="12" StrokeThickness="1" Fill="White">
                  <Ellipse.Effect>
                      <DropShadowEffect ShadowDepth="0" Color="LightGray" BlurRadius="4"/>
                  </Ellipse.Effect>
              </Ellipse>
          </Grid>
          <ControlTemplate.Triggers>
              <Trigger Property="IsMouseOver" Value="True">
                  <Setter Property="Effect">
                      <Setter.Value>
                          <DropShadowEffect ShadowDepth="0" Color="Gray" BlurRadius="4"/>
                      </Setter.Value>
                  </Setter>
                  <Setter Property="Cursor" Value="Hand"/>
              </Trigger>
          </ControlTemplate.Triggers>
      </ControlTemplate>
      <ControlTemplate x:Key="SliderThumbHorizontalTop" TargetType="{x:Type Thumb}">
          <Grid HorizontalAlignment="Center" UseLayoutRounding="True" VerticalAlignment="Center">
              <Path x:Name="grip" Data="M 0,6 C0,6 5.5,0 5.5,0 5.5,0 11,6 11,6 11,6 11,18 11,18 11,18 0,18 0,18 0,18 0,6 0,6 z" Fill="{StaticResource SliderThumb.Static.Background}" Stroke="{StaticResource SliderThumb.Static.Border}" SnapsToDevicePixels="True" Stretch="Fill" StrokeThickness="1" UseLayoutRounding="True" VerticalAlignment="Center"/>
          </Grid>
          <ControlTemplate.Triggers>
              <Trigger Property="IsMouseOver" Value="true">
                  <Setter Property="Fill" TargetName="grip" Value="{StaticResource SliderThumb.MouseOver.Background}"/>
                  <Setter Property="Stroke" TargetName="grip" Value="{StaticResource SliderThumb.MouseOver.Border}"/>
              </Trigger>
              <Trigger Property="IsDragging" Value="true">
                  <Setter Property="Fill" TargetName="grip" Value="{StaticResource SliderThumb.Pressed.Background}"/>
                  <Setter Property="Stroke" TargetName="grip" Value="{StaticResource SliderThumb.Pressed.Border}"/>
              </Trigger>
              <Trigger Property="IsEnabled" Value="false">
                  <Setter Property="Fill" TargetName="grip" Value="{StaticResource SliderThumb.Disabled.Background}"/>
                  <Setter Property="Stroke" TargetName="grip" Value="{StaticResource SliderThumb.Disabled.Border}"/>
              </Trigger>
          </ControlTemplate.Triggers>
      </ControlTemplate>
      <ControlTemplate x:Key="SliderThumbHorizontalBottom" TargetType="{x:Type Thumb}">
          <Grid HorizontalAlignment="Center" UseLayoutRounding="True" VerticalAlignment="Center">
              <Path x:Name="grip" Data="M 0,12 C0,12 5.5,18 5.5,18 5.5,18 11,12 11,12 11,12 11,0 11,0 11,0 0,0 0,0 0,0 0,12 0,12 z" Fill="{StaticResource SliderThumb.Static.Background}" Stroke="{StaticResource SliderThumb.Static.Border}" SnapsToDevicePixels="True" Stretch="Fill" StrokeThickness="1" UseLayoutRounding="True" VerticalAlignment="Center"/>
          </Grid>
          <ControlTemplate.Triggers>
              <Trigger Property="IsMouseOver" Value="true">
                  <Setter Property="Fill" TargetName="grip" Value="{StaticResource SliderThumb.MouseOver.Background}"/>
                  <Setter Property="Stroke" TargetName="grip" Value="{StaticResource SliderThumb.MouseOver.Border}"/>
              </Trigger>
              <Trigger Property="IsDragging" Value="true">
                  <Setter Property="Fill" TargetName="grip" Value="{StaticResource SliderThumb.Pressed.Background}"/>
                  <Setter Property="Stroke" TargetName="grip" Value="{StaticResource SliderThumb.Pressed.Border}"/>
              </Trigger>
              <Trigger Property="IsEnabled" Value="false">
                  <Setter Property="Fill" TargetName="grip" Value="{StaticResource SliderThumb.Disabled.Background}"/>
                  <Setter Property="Stroke" TargetName="grip" Value="{StaticResource SliderThumb.Disabled.Border}"/>
              </Trigger>
          </ControlTemplate.Triggers>
      </ControlTemplate>
      <ControlTemplate x:Key="SliderHorizontal" TargetType="{x:Type Slider}">
          <Border x:Name="border" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" SnapsToDevicePixels="True">
              <Grid>
                  <Grid.RowDefinitions>
                      <RowDefinition Height="Auto"/>
                      <RowDefinition Height="Auto" MinHeight="{TemplateBinding MinHeight}"/>
                      <RowDefinition Height="Auto"/>
                  </Grid.RowDefinitions>
                  <TickBar x:Name="TopTick" Fill="{TemplateBinding Foreground}" Height="4" Margin="0,0,0,2" Placement="Top" Grid.Row="0" Visibility="Collapsed"/>
                  <TickBar x:Name="BottomTick" Fill="{TemplateBinding Foreground}" Height="4" Margin="0,2,0,0" Placement="Bottom" Grid.Row="2" Visibility="Collapsed"/>
                  <Border x:Name="TrackBackground" Background="{StaticResource SliderThumb.Track.Background}" BorderBrush="{StaticResource SliderThumb.Track.Border}" BorderThickness="1" Height="4.0" Margin="5,0" Grid.Row="1" VerticalAlignment="center">
                      <Canvas Margin="-6,-1">
                          <Rectangle x:Name="PART_SelectionRange" Fill="{DynamicResource {x:Static SystemColors.HighlightBrushKey}}" Height="4.0" Visibility="Hidden"/>
                      </Canvas>
                  </Border>
                  <Track x:Name="PART_Track" Grid.Row="1">
                      <Track.DecreaseRepeatButton>
                          <RepeatButton Command="{x:Static Slider.DecreaseLarge}" Style="{StaticResource RepeatButtonLeftTransparent}"/>
                      </Track.DecreaseRepeatButton>
                      <Track.IncreaseRepeatButton>
                          <RepeatButton Command="{x:Static Slider.IncreaseLarge}" Style="{StaticResource RepeatButtonRightTransparent}"/>
                      </Track.IncreaseRepeatButton>
                      <Track.Thumb>
                          <Thumb x:Name="Thumb" Focusable="False" Height="12" OverridesDefaultStyle="True" Template="{StaticResource SliderThumbHorizontalDefault}" VerticalAlignment="Center" Width="12"/>
                      </Track.Thumb>
                  </Track>
              </Grid>
          </Border>
          <ControlTemplate.Triggers>
              <Trigger Property="TickPlacement" Value="TopLeft">
                  <Setter Property="Visibility" TargetName="TopTick" Value="Visible"/>
                  <Setter Property="Template" TargetName="Thumb" Value="{StaticResource SliderThumbHorizontalTop}"/>
                  <Setter Property="Margin" TargetName="TrackBackground" Value="5,2,5,0"/>
              </Trigger>
              <Trigger Property="TickPlacement" Value="BottomRight">
                  <Setter Property="Visibility" TargetName="BottomTick" Value="Visible"/>
                  <Setter Property="Template" TargetName="Thumb" Value="{StaticResource SliderThumbHorizontalBottom}"/>
                  <Setter Property="Margin" TargetName="TrackBackground" Value="5,0,5,2"/>
              </Trigger>
              <Trigger Property="TickPlacement" Value="Both">
                  <Setter Property="Visibility" TargetName="TopTick" Value="Visible"/>
                  <Setter Property="Visibility" TargetName="BottomTick" Value="Visible"/>
              </Trigger>
              <Trigger Property="IsSelectionRangeEnabled" Value="true">
                  <Setter Property="Visibility" TargetName="PART_SelectionRange" Value="Visible"/>
              </Trigger>
              <Trigger Property="IsKeyboardFocused" Value="true">
                  <Setter Property="Foreground" TargetName="Thumb" Value="Blue"/>
              </Trigger>
          </ControlTemplate.Triggers>
      </ControlTemplate>
      <ControlTemplate x:Key="SliderThumbVerticalDefault" TargetType="{x:Type Thumb}">
          <Grid HorizontalAlignment="Center" UseLayoutRounding="True" VerticalAlignment="Center">
              <Path x:Name="grip" Data="M0.5,0.5 L18.5,0.5 18.5,11.5 0.5,11.5z" Fill="{StaticResource SliderThumb.Static.Background}" Stroke="{StaticResource SliderThumb.Static.Border}" Stretch="Fill"/>
          </Grid>
          <ControlTemplate.Triggers>
              <Trigger Property="IsMouseOver" Value="true">
                  <Setter Property="Fill" TargetName="grip" Value="{StaticResource SliderThumb.MouseOver.Background}"/>
                  <Setter Property="Stroke" TargetName="grip" Value="{StaticResource SliderThumb.MouseOver.Border}"/>
              </Trigger>
              <Trigger Property="IsDragging" Value="true">
                  <Setter Property="Fill" TargetName="grip" Value="{StaticResource SliderThumb.Pressed.Background}"/>
                  <Setter Property="Stroke" TargetName="grip" Value="{StaticResource SliderThumb.Pressed.Border}"/>
              </Trigger>
              <Trigger Property="IsEnabled" Value="false">
                  <Setter Property="Fill" TargetName="grip" Value="{StaticResource SliderThumb.Disabled.Background}"/>
                  <Setter Property="Stroke" TargetName="grip" Value="{StaticResource SliderThumb.Disabled.Border}"/>
              </Trigger>
          </ControlTemplate.Triggers>
      </ControlTemplate>
      <ControlTemplate x:Key="SliderThumbVerticalLeft" TargetType="{x:Type Thumb}">
          <Grid HorizontalAlignment="Center" UseLayoutRounding="True" VerticalAlignment="Center">
              <Path x:Name="grip" Data="M 6,11 C6,11 0,5.5 0,5.5 0,5.5 6,0 6,0 6,0 18,0 18,0 18,0 18,11 18,11 18,11 6,11 6,11 z" Fill="{StaticResource SliderThumb.Static.Background}" Stroke="{StaticResource SliderThumb.Static.Border}" Stretch="Fill"/>
          </Grid>
          <ControlTemplate.Triggers>
              <Trigger Property="IsMouseOver" Value="true">
                  <Setter Property="Fill" TargetName="grip" Value="{StaticResource SliderThumb.MouseOver.Background}"/>
                  <Setter Property="Stroke" TargetName="grip" Value="{StaticResource SliderThumb.MouseOver.Border}"/>
              </Trigger>
              <Trigger Property="IsDragging" Value="true">
                  <Setter Property="Fill" TargetName="grip" Value="{StaticResource SliderThumb.Pressed.Background}"/>
                  <Setter Property="Stroke" TargetName="grip" Value="{StaticResource SliderThumb.Pressed.Border}"/>
              </Trigger>
              <Trigger Property="IsEnabled" Value="false">
                  <Setter Property="Fill" TargetName="grip" Value="{StaticResource SliderThumb.Disabled.Background}"/>
                  <Setter Property="Stroke" TargetName="grip" Value="{StaticResource SliderThumb.Disabled.Border}"/>
              </Trigger>
          </ControlTemplate.Triggers>
      </ControlTemplate>
      <ControlTemplate x:Key="SliderThumbVerticalRight" TargetType="{x:Type Thumb}">
          <Grid HorizontalAlignment="Center" UseLayoutRounding="True" VerticalAlignment="Center">
              <Path x:Name="grip" Data="M 12,11 C12,11 18,5.5 18,5.5 18,5.5 12,0 12,0 12,0 0,0 0,0 0,0 0,11 0,11 0,11 12,11 12,11 z" Fill="{StaticResource SliderThumb.Static.Background}" Stroke="{StaticResource SliderThumb.Static.Border}" Stretch="Fill"/>
          </Grid>
          <ControlTemplate.Triggers>
              <Trigger Property="IsMouseOver" Value="true">
                  <Setter Property="Fill" TargetName="grip" Value="{StaticResource SliderThumb.MouseOver.Background}"/>
                  <Setter Property="Stroke" TargetName="grip" Value="{StaticResource SliderThumb.MouseOver.Border}"/>
              </Trigger>
              <Trigger Property="IsDragging" Value="true">
                  <Setter Property="Fill" TargetName="grip" Value="{StaticResource SliderThumb.Pressed.Background}"/>
                  <Setter Property="Stroke" TargetName="grip" Value="{StaticResource SliderThumb.Pressed.Border}"/>
              </Trigger>
              <Trigger Property="IsEnabled" Value="false">
                  <Setter Property="Fill" TargetName="grip" Value="{StaticResource SliderThumb.Disabled.Background}"/>
                  <Setter Property="Stroke" TargetName="grip" Value="{StaticResource SliderThumb.Disabled.Border}"/>
              </Trigger>
          </ControlTemplate.Triggers>
      </ControlTemplate>
      <ControlTemplate x:Key="SliderVertical" TargetType="{x:Type Slider}">
          <Border x:Name="border" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" SnapsToDevicePixels="True">
              <Grid>
                  <Grid.ColumnDefinitions>
                      <ColumnDefinition Width="Auto"/>
                      <ColumnDefinition MinWidth="{TemplateBinding MinWidth}" Width="Auto"/>
                      <ColumnDefinition Width="Auto"/>
                  </Grid.ColumnDefinitions>
                  <TickBar x:Name="TopTick" Grid.Column="0" Fill="{TemplateBinding Foreground}" Margin="0,0,2,0" Placement="Left" Visibility="Collapsed" Width="4"/>
                  <TickBar x:Name="BottomTick" Grid.Column="2" Fill="{TemplateBinding Foreground}" Margin="2,0,0,0" Placement="Right" Visibility="Collapsed" Width="4"/>
                  <Border x:Name="TrackBackground" Background="{StaticResource SliderThumb.Track.Background}" BorderBrush="{StaticResource SliderThumb.Track.Border}" BorderThickness="1" Grid.Column="1" HorizontalAlignment="center" Margin="0,5" Width="4.0">
                      <Canvas Margin="-1,-6">
                          <Rectangle x:Name="PART_SelectionRange" Fill="{DynamicResource {x:Static SystemColors.HighlightBrushKey}}" Visibility="Hidden" Width="4.0"/>
                      </Canvas>
                  </Border>
                  <Track x:Name="PART_Track" Grid.Column="1">
                      <Track.DecreaseRepeatButton>
                          <RepeatButton Command="{x:Static Slider.DecreaseLarge}" Style="{StaticResource RepeatButtonLeftTransparent}"/>
                      </Track.DecreaseRepeatButton>
                      <Track.IncreaseRepeatButton>
                          <RepeatButton Command="{x:Static Slider.IncreaseLarge}" Style="{StaticResource RepeatButtonRightTransparent}"/>
                      </Track.IncreaseRepeatButton>
                      <Track.Thumb>
                          <Thumb x:Name="Thumb" Focusable="False" Height="11" OverridesDefaultStyle="True" Template="{StaticResource SliderThumbVerticalDefault}" VerticalAlignment="Top" Width="18"/>
                      </Track.Thumb>
                  </Track>
              </Grid>
          </Border>
          <ControlTemplate.Triggers>
              <Trigger Property="TickPlacement" Value="TopLeft">
                  <Setter Property="Visibility" TargetName="TopTick" Value="Visible"/>
                  <Setter Property="Template" TargetName="Thumb" Value="{StaticResource SliderThumbVerticalLeft}"/>
                  <Setter Property="Margin" TargetName="TrackBackground" Value="2,5,0,5"/>
              </Trigger>
              <Trigger Property="TickPlacement" Value="BottomRight">
                  <Setter Property="Visibility" TargetName="BottomTick" Value="Visible"/>
                  <Setter Property="Template" TargetName="Thumb" Value="{StaticResource SliderThumbVerticalRight}"/>
                  <Setter Property="Margin" TargetName="TrackBackground" Value="0,5,2,5"/>
              </Trigger>
              <Trigger Property="TickPlacement" Value="Both">
                  <Setter Property="Visibility" TargetName="TopTick" Value="Visible"/>
                  <Setter Property="Visibility" TargetName="BottomTick" Value="Visible"/>
              </Trigger>
              <Trigger Property="IsSelectionRangeEnabled" Value="true">
                  <Setter Property="Visibility" TargetName="PART_SelectionRange" Value="Visible"/>
              </Trigger>
              <Trigger Property="IsKeyboardFocused" Value="true">
                  <Setter Property="Foreground" TargetName="Thumb" Value="Blue"/>
              </Trigger>
          </ControlTemplate.Triggers>
      </ControlTemplate>
      <Style x:Key="SliderStyle1" TargetType="{x:Type Slider}">
          <Setter Property="Stylus.IsPressAndHoldEnabled" Value="false"/>
          <Setter Property="Background" Value="Transparent"/>
          <Setter Property="BorderBrush" Value="Transparent"/>
          <Setter Property="Foreground" Value="{StaticResource SliderThumb.Static.Foreground}"/>
          <Setter Property="Template" Value="{StaticResource SliderHorizontal}"/>
          <Style.Triggers>
              <Trigger Property="Orientation" Value="Vertical">
                  <Setter Property="Template" Value="{StaticResource SliderVertical}"/>
              </Trigger>
          </Style.Triggers>
      </Style>
  </Window.Resources>
  <Grid>
      <Grid.ColumnDefinitions>
          <ColumnDefinition Width="1*"/>
          <ColumnDefinition Width="1*"/>
      </Grid.ColumnDefinitions>
      <Grid.RowDefinitions>
          <RowDefinition Height="1*"/>
          <RowDefinition Height="1*"/>
      </Grid.RowDefinitions>
      <Canvas Width="200" Height="200" HorizontalAlignment="Left" VerticalAlignment="Top">
          <Canvas.Background>
              <DrawingBrush Viewport="0,0,1,1" TileMode="None">
                  <DrawingBrush.Drawing>
                      <DrawingGroup>
                          <GeometryDrawing Brush="WhiteSmoke" Geometry="M0,0 0,1 1,1 1,0"/>
                          <GeometryDrawing Brush="Aqua" x:Name="gd"/>
                          <GeometryDrawing Geometry="M0,0.5 1,0.5">
                              <GeometryDrawing.Pen>
                                  <Pen Thickness="0.001" Brush="Gray"/>
                              </GeometryDrawing.Pen>
                          </GeometryDrawing>
                          <GeometryDrawing Geometry="M0.5,0 0.5,1">
                              <GeometryDrawing.Pen>
                                  <Pen Thickness="0.001" Brush="Gray"/>
                              </GeometryDrawing.Pen>
                          </GeometryDrawing>
                      </DrawingGroup>
                  </DrawingBrush.Drawing>
              </DrawingBrush>
          </Canvas.Background>
      </Canvas>
      <StackPanel Orientation="Vertical" Grid.Column="1">
          <StackPanel Orientation="Horizontal">
              <Label Width="60" HorizontalContentAlignment="Right" Content="Top"/>
              <Slider Style="{DynamicResource SliderStyle1}" x:Name="s1" Value="0" Width="100" Maximum="100" VerticalAlignment="Center" ValueChanged="Slider1_ValueChanged"/>
              <TextBox Text="{Binding ElementName=s1,Path=Value,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" VerticalContentAlignment="Center"/>
          </StackPanel>
          <StackPanel Orientation="Horizontal">
              <Label Width="60" HorizontalContentAlignment="Right" Content="Buttom"/>
              <Slider Style="{DynamicResource SliderStyle1}" x:Name="s2" Value="0" Width="100" Maximum="100" VerticalAlignment="Center" ValueChanged="Slider2_ValueChanged"/>
              <TextBox Text="{Binding ElementName=s2,Path=Value,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" VerticalContentAlignment="Center"/>
          </StackPanel>
          <StackPanel Orientation="Horizontal">
              <Label Width="60" HorizontalContentAlignment="Right" Content="Left"/>
              <Slider Style="{DynamicResource SliderStyle1}" x:Name="s3" Value="0" Width="100" Maximum="100" VerticalAlignment="Center" ValueChanged="Slider3_ValueChanged"/>
              <TextBox Text="{Binding ElementName=s3,Path=Value,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" VerticalContentAlignment="Center"/>
          </StackPanel>
          <StackPanel Orientation="Horizontal">
              <Label Width="60" HorizontalContentAlignment="Right" Content="Right"/>
              <Slider Style="{DynamicResource SliderStyle1}" x:Name="s4" Value="0" Width="100" Maximum="100" VerticalAlignment="Center" ValueChanged="Slider4_ValueChanged"/>
              <TextBox Text="{Binding ElementName=s4,Path=Value,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" VerticalContentAlignment="Center"/>
          </StackPanel>
      </StackPanel>

      <Canvas Width="200" Height="200" HorizontalAlignment="Left" VerticalAlignment="Top" Grid.Row="1">
          <Canvas.Background>
              <DrawingBrush Viewport="0,0,1,1" TileMode="None">
                  <DrawingBrush.Drawing>
                      <DrawingGroup>
                          <GeometryDrawing Brush="WhiteSmoke" Geometry="M 0.5,0 A 0.5,0.5 180 1 1 0.5,1 A 0.5,0.5 180 0 1 0.5,0 Z
                                           M 0.5,0.1 A 0.4,0.4 180 1 1 0.5,0.9 A 0.4,0.4 180 0 1 0.5,0.1
                                           M 0.5,0.2 A 0.3,0.3 180 1 1 0.5,0.8 A 0.3,0.3 180 0 1 0.5,0.2
                                           M 0.5,0.3 A 0.2,0.2 180 1 1 0.5,0.7 A 0.2,0.2 180 0 1 0.5,0.3
                                           M 0.5,0.4 A 0.1,0.1 180 1 1 0.5,0.6 A 0.1,0.1 180 0 1 0.5,0.4">
                              <GeometryDrawing.Pen>
                                  <Pen Thickness="0.001" Brush="Gray"/>
                              </GeometryDrawing.Pen>
                          </GeometryDrawing>
                          <GeometryDrawing Brush="#8800FFFF" x:Name="gd6"/>
                          <GeometryDrawing Geometry="M0.5,0 0.5,1">
                              <GeometryDrawing.Pen>
                                  <Pen Thickness="0.001" Brush="Gray"/>
                              </GeometryDrawing.Pen>
                          </GeometryDrawing>
                          <GeometryDrawing x:Name="x1">
                              <GeometryDrawing.Pen>
                                  <Pen Thickness="0.001" Brush="Gray"/>
                              </GeometryDrawing.Pen>
                          </GeometryDrawing>
                          <GeometryDrawing x:Name="x2">
                              <GeometryDrawing.Pen>
                                  <Pen Thickness="0.001" Brush="Gray"/>
                              </GeometryDrawing.Pen>
                          </GeometryDrawing>
                      </DrawingGroup>
                  </DrawingBrush.Drawing>
              </DrawingBrush>
          </Canvas.Background>
      </Canvas>
      <StackPanel Orientation="Vertical" Grid.Row="1" Grid.Column="1">
          <StackPanel Orientation="Horizontal">
              <Label Width="60" HorizontalContentAlignment="Right" Content="上"/>
              <Slider Style="{DynamicResource SliderStyle1}" x:Name="s61" Value="0" Width="100" Maximum="100" VerticalAlignment="Center" ValueChanged="Slider61_ValueChanged"/>
              <TextBox Text="{Binding ElementName=s61,Path=Value,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" VerticalContentAlignment="Center"/>
          </StackPanel>
          <StackPanel Orientation="Horizontal">
              <Label Width="60" HorizontalContentAlignment="Right" Content="右上"/>
              <Slider Style="{DynamicResource SliderStyle1}" x:Name="s62" Value="0" Width="100" Maximum="100" VerticalAlignment="Center" ValueChanged="Slider62_ValueChanged"/>
              <TextBox Text="{Binding ElementName=s62,Path=Value,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" VerticalContentAlignment="Center"/>
          </StackPanel>
          <StackPanel Orientation="Horizontal">
              <Label Width="60" HorizontalContentAlignment="Right" Content="右下"/>
              <Slider Style="{DynamicResource SliderStyle1}" x:Name="s63" Value="0" Width="100" Maximum="100" VerticalAlignment="Center" ValueChanged="Slider63_ValueChanged"/>
              <TextBox Text="{Binding ElementName=s63,Path=Value,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" VerticalContentAlignment="Center"/>
          </StackPanel>
          <StackPanel Orientation="Horizontal">
              <Label Width="60" HorizontalContentAlignment="Right" Content="下"/>
              <Slider Style="{DynamicResource SliderStyle1}" x:Name="s64" Value="0" Width="100" Maximum="100" VerticalAlignment="Center" ValueChanged="Slider64_ValueChanged"/>
              <TextBox Text="{Binding ElementName=s64,Path=Value,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" VerticalContentAlignment="Center"/>
          </StackPanel>
          <StackPanel Orientation="Horizontal">
              <Label Width="60" HorizontalContentAlignment="Right" Content="左下"/>
              <Slider Style="{DynamicResource SliderStyle1}" x:Name="s65" Value="0" Width="100" Maximum="100" VerticalAlignment="Center" ValueChanged="Slider64_ValueChanged"/>
              <TextBox Text="{Binding ElementName=s65,Path=Value,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" VerticalContentAlignment="Center"/>
          </StackPanel>
          <StackPanel Orientation="Horizontal">
              <Label Width="60" HorizontalContentAlignment="Right" Content="左上"/>
              <Slider Style="{DynamicResource SliderStyle1}" x:Name="s66" Value="0" Width="100" Maximum="100" VerticalAlignment="Center" ValueChanged="Slider66_ValueChanged"/>
              <TextBox Text="{Binding ElementName=s66,Path=Value,Mode=TwoWay,UpdateSourceTrigger=PropertyChanged}" VerticalContentAlignment="Center"/>
          </StackPanel>
      </StackPanel>
  </Grid>
</Window>

以上就是WPF实现能自由改变形状的四边形和六边形的详细内容，更多关于WPF四边形 六边形的资料请关注编程宝库其它相关文章！

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