这篇文章主要为大家详细介绍了WPF如何实现能自由改变形状的四边形和六边形，文中的示例代码讲解详细，感兴趣的小伙伴可以跟随小编一起学习一下
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 { /// /// Interaction logic for MainWindow.xaml /// 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 e) { ChangeGeometry(); } private void Slider2_ValueChanged(object sender, RoutedPropertyChangedEventArgs e) { ChangeGeometry(); } private void Slider3_ValueChanged(object sender, RoutedPropertyChangedEventArgs e) { ChangeGeometry(); } private void Slider4_ValueChanged(object sender, RoutedPropertyChangedEventArgs 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 e) { ChangeGeometry6(); } private void Slider62_ValueChanged(object sender, RoutedPropertyChangedEventArgs e) { ChangeGeometry6(); } private void Slider63_ValueChanged(object sender, RoutedPropertyChangedEventArgs e) { ChangeGeometry6(); } private void Slider64_ValueChanged(object sender, RoutedPropertyChangedEventArgs e) { ChangeGeometry6(); } private void Slider65_ValueChanged(object sender, RoutedPropertyChangedEventArgs e) { ChangeGeometry6(); } private void Slider66_ValueChanged(object sender, RoutedPropertyChangedEventArgs 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="
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