WPF 实现带蒙版的 MessageBox 消息提示框

WPF 实现带蒙版的 MessageBox 消息提示框

WPF 实现带蒙版的 MessageBox 消息提示框插图

WPF 实现带蒙版的 MessageBox 消息提示框

作者:WPFDevelopersOrg

原文链接: https://github.com/WPFDevelopersOrg/WPFDevelopers.Minimal

  • 框架使用大于等于.NET40
  • Visual Studio 2022;
  • 项目使用 MIT 开源许可协议;
  • Nuget Install-Package WPFDevelopers.Minimal 3.2.6-preview

MessageBox

  • 实现MessageBoxShow五种方法;
    • Show(string messageBoxText) 传入Msg参数;
    • Show(string messageBoxText, string caption) 传入Msg标题参数;
    • Show(string messageBoxText, string caption, MessageBoxButton button) 传入Msg标题操作按钮参数;
    • Show(string messageBoxText, string caption, MessageBoxImage icon) 传入Msg标题消息图片参数;
    • Show(string messageBoxText, string caption, MessageBoxButton button, MessageBoxImage icon) 传入Msg标题操作按钮消息图片参数;
  • 拿到父级Window窗体的内容Content,放入一个Grid里,再在容器里放入一个半透明的Grid,最后将整个Grid赋给父级Window窗体的内容Content

一、MessageBox.cs 代码如下;

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;

namespace WPFDevelopers.Minimal.Controls
{
    public static class MessageBox
    {
        public static MessageBoxResult Show(string messageBoxText)
        {
            var msg = new WPFMessageBox(messageBoxText);
            return GetWindow(msg);
        }
        public static MessageBoxResult Show(string messageBoxText, string caption)
        {
            var msg = new WPFMessageBox(messageBoxText, caption);
            return GetWindow(msg);
        }
        public static MessageBoxResult Show(string messageBoxText, string caption, MessageBoxButton button)
        {
            var msg = new WPFMessageBox(messageBoxText, caption, button);
            return GetWindow(msg);
        }
        public static MessageBoxResult Show(string messageBoxText, string caption, MessageBoxImage icon)
        {
            var msg = new WPFMessageBox(messageBoxText, caption, icon);
            return GetWindow(msg);
        }
        public static MessageBoxResult Show(string messageBoxText, string caption, MessageBoxButton button, MessageBoxImage icon)
        {
            var msg = new WPFMessageBox(messageBoxText, caption,button,icon);
            return GetWindow(msg);
        }

        static MessageBoxResult GetWindow(WPFMessageBox msg)
        {
            msg.WindowStartupLocation = WindowStartupLocation.CenterOwner;
            Window win = null;
            if (Application.Current.Windows.Count > 0)
                win = Application.Current.Windows.OfType().FirstOrDefault(o => o.IsActive);
            if (win != null)
            {
                var layer = new Grid() { Background = new SolidColorBrush(Color.FromArgb(128, 0, 0, 0)) };
                UIElement original = win.Content as UIElement;
                win.Content = null;
                var container = new Grid();
                container.Children.Add(original);
                container.Children.Add(layer);
                win.Content = container;
                msg.Owner = win;
                msg.ShowDialog();
                container.Children.Clear();
                win.Content = original;
            }
            else
                msg.Show();
            return msg.Result;
        }
    }
}

二、Styles.MessageBox.xaml 代码如下;


    
    
        
        
    

    


                

三、WPFMessageBox.cs 代码如下;

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using System.Windows.Shapes;

namespace WPFDevelopers.Minimal.Controls
{
    [TemplatePart(Name = TitleTemplateName, Type = typeof(TextBlock))]
    [TemplatePart(Name = CloseButtonTemplateName, Type = typeof(Button))]
    [TemplatePart(Name = MessageTemplateName, Type = typeof(TextBlock))]
    [TemplatePart(Name = ButtonCancelTemplateName, Type = typeof(Button))]
    [TemplatePart(Name = ButtonCancelTemplateName, Type = typeof(Button))]
    [TemplatePart(Name = PathTemplateName, Type = typeof(Path))]
    public sealed class WPFMessageBox : Window
    {

        private const string TitleTemplateName = "PART_Title";
        private const string CloseButtonTemplateName = "PART_CloseButton";
        private const string MessageTemplateName = "PART_Message";
        private const string ButtonCancelTemplateName = "PART_ButtonCancel";
        private const string ButtonOKTemplateName = "PART_ButtonOK";
        private const string PathTemplateName = "PART_Path";

        private string _messageString;
        private string _titleString;
        private Geometry _geometry;
        private SolidColorBrush _solidColorBrush;
        private Visibility _cancelVisibility = Visibility.Collapsed;
        private Visibility _okVisibility;

        private TextBlock _title;
        private TextBlock _message;
        private Button _closeButton;
        private Button _buttonCancel;
        private Button _buttonOK;
        private Path _path;


        static WPFMessageBox()
        {
            DefaultStyleKeyProperty.OverrideMetadata(typeof(WPFMessageBox), new FrameworkPropertyMetadata(typeof(WPFMessageBox)));
        }
        public override void OnApplyTemplate()
        {
            base.OnApplyTemplate();
            _title = GetTemplateChild(TitleTemplateName) as TextBlock;
            _message = GetTemplateChild(MessageTemplateName) as TextBlock;

            if (_title == null || _message == null)
                throw new InvalidOperationException("the title or message control is null!");

            _title.Text = _titleString;
            _message.Text = _messageString;
            _path = GetTemplateChild(PathTemplateName) as Path;
            if (_path != null)
            {
                _path.Data = _geometry;
                _path.Fill = _solidColorBrush;
            }
            _closeButton = GetTemplateChild(CloseButtonTemplateName) as Button;
            if (_closeButton != null)
                _closeButton.Click += _closeButton_Click;
            _buttonCancel = GetTemplateChild(ButtonCancelTemplateName) as Button;
            if (_buttonCancel != null)
            {
                _buttonCancel.Visibility = _cancelVisibility;
                _buttonCancel.Click += _buttonCancel_Click;
            }
            _buttonOK = GetTemplateChild(ButtonOKTemplateName) as Button;
            if (_buttonOK != null)
            {
                _buttonOK.Visibility = _okVisibility;
                _buttonOK.Click += _buttonOK_Click;
            }
            if (Owner == null)
            {
                BorderThickness = new Thickness(1);
                WindowStartupLocation = WindowStartupLocation.CenterScreen;
            }
        }

        private void _buttonOK_Click(object sender, RoutedEventArgs e)
        {
            Result = MessageBoxResult.OK;
            Close();
        }

        private void _buttonCancel_Click(object sender, RoutedEventArgs e)
        {
            Result = MessageBoxResult.Cancel;
            Close();
        }

        private void _closeButton_Click(object sender, RoutedEventArgs e)
        {
            Close();
        }

        protected override void OnClosed(EventArgs e)
        {
            base.OnClosed(e);
            if (Owner == null)
                return;
            var grid = Owner.Content as Grid;
            UIElement original = VisualTreeHelper.GetChild(grid, 0) as UIElement;
            grid.Children.Remove(original);
            Owner.Content = original;
        }

        public MessageBoxResult Result { get; set; }

        public WPFMessageBox(string message)
        {
            
            _messageString = message;
        }

        public WPFMessageBox(string message, string caption)
        {
            _titleString = caption;
            _messageString = message;
           
        }

        public WPFMessageBox(string message, string caption, MessageBoxButton button)
        {
            _titleString = caption;
            _messageString = message; ;
        }

        public WPFMessageBox(string message, string caption, MessageBoxImage image)
        {
            _titleString = caption;
            _messageString = message;
            DisplayImage(image);
        }

        public WPFMessageBox(string message, string caption, MessageBoxButton button, MessageBoxImage image)
        {
            _titleString = caption;
            _messageString = message;
            DisplayImage(image);
            DisplayButtons(button);
        }

        private void DisplayButtons(MessageBoxButton button)
        {
            switch (button)
            {
                case MessageBoxButton.OKCancel:
                case MessageBoxButton.YesNo:
                    _cancelVisibility = Visibility.Visible;
                    _okVisibility = Visibility.Visible;
                    break;
                //case MessageBoxButton.YesNoCancel:
                //    break;
                default:
                    _okVisibility = Visibility.Visible;
                    break;
            }
        }
        private void DisplayImage(MessageBoxImage image)
        {
            switch (image)
            {
                case MessageBoxImage.Warning:
                    _geometry = Application.Current.Resources["PathWarning"] as Geometry;
                    _solidColorBrush = Application.Current.Resources["WarningSolidColorBrush"] as SolidColorBrush;
                    break;
                case MessageBoxImage.Error:
                    _geometry = Application.Current.Resources["PathError"] as Geometry;
                    _solidColorBrush = Application.Current.Resources["DangerSolidColorBrush"] as SolidColorBrush;
                    break;
                case MessageBoxImage.Information:
                    _geometry = Application.Current.Resources["PathWarning"] as Geometry;
                    _solidColorBrush = Application.Current.Resources["SuccessSolidColorBrush"] as SolidColorBrush;
                    break;
                case MessageBoxImage.Question:
                    _geometry = Application.Current.Resources["PathQuestion"] as Geometry;
                    _solidColorBrush = Application.Current.Resources["PrimaryNormalSolidColorBrush"] as SolidColorBrush;
                    break;
                default:
                    break;
            }
        }

    }
}

Nuget Install-Package WPFDevelopers.Minimal

WPF 实现带蒙版的 MessageBox 消息提示框插图1


其他基础控件

1.Window
2.Button
3.CheckBox
4.ComboBox
5.DataGrid
6.DatePicker
7.Expander
8.GroupBox
9.ListBox
10.ListView
11.Menu
12.PasswordBox
13.TextBox
14.RadioButton
15.ToggleButton
16.Slider
17.TreeView
18.TabControl

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