WPF实现窗体中的悬浮按钮

WPF实现窗体中的悬浮按钮实现窗体中的悬浮按钮

主要为大家详细介绍了WPF实现窗体中的悬浮按钮，具有一定的参考价值，感兴趣的小伙伴们可以参考一下

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"

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>

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;

{

/// <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 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);

}

_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;

if (_move)

{

_move = false;

Point pos = ee.GetPosition(parent);