WPF实现窗体中的悬浮按钮
WPF实现窗体中的悬浮按钮,按钮可拖动,吸附停靠在窗体边缘。
控件XAML代码:
<Button x:Class="SunCreate.Common.Controls.FloatButton" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" mc:Ignorable="d" d:DesignHeight="300" d:DesignWidth="300" Width="50" Height="50" Margin="0" HorizontalAlignment="Left" VerticalAlignment="Top" x:Name="btn" Loaded="btn_Loaded" Click="btn_Click" > <Button.Template> <ControlTemplate> <Grid MouseLeftButtonDown="Border_MouseLeftButtonDown"> <Border CornerRadius="25" Background="#022938" Opacity="0.2" > </Border> <Border CornerRadius="20" Width="40" Height="40" Background="#022938" Opacity="0.3" > </Border> <Border CornerRadius="14" Width="28" Height="28" Background="#b06919" Opacity="0.8" > </Border> </Grid> </ControlTemplate> </Button.Template> </Button>
控件cs代码:
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading; 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.Animation; using System.Windows.Media.Imaging; using System.Windows.Navigation; using System.Windows.Shapes; namespace SunCreate.Common.Controls { /// <summary> /// 悬浮按钮 /// </summary> public partial class FloatButton : Button { public event EventHandler ClickEvent; private bool _move = false; double _distance = 200; double _distanceNew = 5; private Point _lastPos; private Point _newPos; private Point _oldPos; public FloatButton() { InitializeComponent(); } private void btn_Loaded(object sender, RoutedEventArgs e) { if (this.Parent != null && this.Parent is FrameworkElement) { FrameworkElement parent = this.Parent as FrameworkElement; double left = parent.ActualWidth - this.ActualWidth - this._distanceNew; double top = parent.ActualHeight - this.ActualHeight - this._distanceNew; this.Margin = new Thickness(left, top, 0, 0); } } private void Border_MouseLeftButtonDown(object sender, MouseButtonEventArgs e) { if (this.Parent != null && this.Parent is FrameworkElement) { FrameworkElement parent = this.Parent as FrameworkElement; _move = true; _lastPos = e.GetPosition(parent); _oldPos = _lastPos; parent.PreviewMouseMove += (s, ee) => { if (_move) { Point pos = ee.GetPosition(parent); double left = this.Margin.Left + pos.X - this._lastPos.X; double top = this.Margin.Top + pos.Y - this._lastPos.Y; this.Margin = new Thickness(left, top, 0, 0); _lastPos = e.GetPosition(parent); } }; parent.PreviewMouseUp += (s, ee) => { if (_move) { _move = false; Point pos = ee.GetPosition(parent); _newPos = pos; double left = this.Margin.Left + pos.X - this._lastPos.X; double top = this.Margin.Top + pos.Y - this._lastPos.Y; double right = parent.ActualWidth - left - this.ActualWidth; double bottom = parent.ActualHeight - top - this.ActualHeight; if (left < _distance && top < _distance) //左上 { left = this._distanceNew; top = this._distanceNew; } else if (left < _distance && bottom < _distance) //左下 { left = this._distanceNew; top = parent.ActualHeight - this.ActualHeight - this._distanceNew; } else if (right < _distance && top < _distance) //右上 { left = parent.ActualWidth - this.ActualWidth - this._distanceNew; top = this._distanceNew; } else if (right < _distance && bottom < _distance) //右下 { left = parent.ActualWidth - this.ActualWidth - this._distanceNew; top = parent.ActualHeight - this.ActualHeight - this._distanceNew; } else if (left < _distance && top > _distance && bottom > _distance) //左 { left = this._distanceNew; top = this.Margin.Top; } else if (right < _distance && top > _distance && bottom > _distance) //右 { left = parent.ActualWidth - this.ActualWidth - this._distanceNew; top = this.Margin.Top; } else if (top < _distance && left > _distance && right > _distance) //上 { left = this.Margin.Left; top = this._distanceNew; } else if (bottom < _distance && left > _distance && right > _distance) //下 { left = this.Margin.Left; top = parent.ActualHeight - this.ActualHeight - this._distanceNew; } ThicknessAnimation marginAnimation = new ThicknessAnimation(); marginAnimation.From = this.Margin; marginAnimation.To = new Thickness(left, top, 0, 0); marginAnimation.Duration = TimeSpan.FromMilliseconds(200); Storyboard story = new Storyboard(); story.FillBehavior = FillBehavior.Stop; story.Children.Add(marginAnimation); Storyboard.SetTargetName(marginAnimation, "btn"); Storyboard.SetTargetProperty(marginAnimation, new PropertyPath("(0)", Border.MarginProperty)); story.Begin(this); this.Margin = new Thickness(left, top, 0, 0); } }; } } private void btn_Click(object sender, RoutedEventArgs e) { if (_newPos.Equals(_oldPos)) { if (ClickEvent != null) { ClickEvent(sender, e); } } } } }
如何使用:
<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:ui="clr-namespace:SunCreate.Common.Controls;assembly=SunCreate.Common.Controls" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="d" x:Class="SunCreate.Common.Controls.Demo.MainWindow" Title="MainWindow" Height="700" Width="1200" Background="#ff10498c" WindowStartupLocation="CenterScreen"> <Grid> <ui:FloatButton x:Name="floatBtn" ></ui:FloatButton> </Grid> </Window>
效果图:
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持我们。
上一篇:C#内插字符串的简单使用
栏 目:C#教程
本文标题:WPF实现窗体中的悬浮按钮
本文地址:https://www.xiuzhanwang.com/a1/C_jiaocheng/5001.html
您可能感兴趣的文章
- 01-10C#通过反射获取当前工程中所有窗体并打开的方法
- 01-10WinForm限制窗体不能移到屏幕外的方法
- 01-10C#实现txt定位指定行完整实例
- 01-10WinForm实现仿视频播放器左下角滚动新闻效果的方法
- 01-10C#实现清空回收站的方法
- 01-10C#实现读取注册表监控当前操作系统已安装软件变化的方法
- 01-10C#实现多线程下载文件的方法
- 01-10C#实现Winform中打开网页页面的方法
- 01-10C#实现远程关闭计算机或重启计算机的方法
- 01-10C#自定义签名章实现方法
阅读排行
本栏相关
- 01-10C#通过反射获取当前工程中所有窗体并
- 01-10关于ASP网页无法打开的解决方案
- 01-10WinForm限制窗体不能移到屏幕外的方法
- 01-10WinForm绘制圆角的方法
- 01-10C#实现txt定位指定行完整实例
- 01-10WinForm实现仿视频播放器左下角滚动新
- 01-10C#停止线程的方法
- 01-10C#实现清空回收站的方法
- 01-10C#通过重写Panel改变边框颜色与宽度的
- 01-10C#实现读取注册表监控当前操作系统已
随机阅读
- 01-11Mac OSX 打开原生自带读写NTFS功能(图文
- 01-10SublimeText编译C开发环境设置
- 01-11ajax实现页面的局部加载
- 01-10使用C语言求解扑克牌的顺子及n个骰子
- 04-02jquery与jsp,用jquery
- 01-10delphi制作wav文件的方法
- 08-05dedecms(织梦)副栏目数量限制代码修改
- 08-05织梦dedecms什么时候用栏目交叉功能?
- 08-05DEDE织梦data目录下的sessions文件夹有什
- 01-10C#中split用法实例总结