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WPF自定义控件（五）の用户控件（完结）

2021-05-12 16:27

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标签：mes   private   http   xaml   类型   tool   依赖   targe   pst   

用户控件，WPF中是继承自UserControl的控件，我们可以在里面融合我们的业务逻辑。

示例：（一个厌恶选择的用户控件）

后端：

using iMicClassBase;
using iMicClassBase.BaseControl;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Forms;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace iMicClassUI.HomeToolControls
{
    /**
     * @控件名：HomeToolBackgroundPanel
     * @功能  ：切换黑板界面背景
     * @作者  ：tjer
     * @时间  ：2017.05.19
     * **/

    /// 
    /// HomeToolBackgroundPanel.xaml 的交互逻辑
    /// 
    public partial class HomeToolBackgroundPanel : System.Windows.Controls.UserControl
    {
        #region 委托及事件
        /// 
        /// 背景改变事件委托
        /// 
        /// 源
        /// 类型
        /// 改变对象
        public delegate void BackGroundSelectedChangeDelegate(object sender, BBBackGroundType type,object ChangeObj);

        /// 
        /// 背景改变事件
        /// 
        public BackGroundSelectedChangeDelegate BackGroundSelectedChange = null;

        /// 
        /// 选项卡改变事件
        /// 
        public static readonly RoutedEvent TabItemChangeEvent = EventManager.RegisterRoutedEvent
        ("TabItemChange", RoutingStrategy.Bubble, typeof(RoutedEventArgs), typeof(HomeToolBackgroundPanel));
        public event RoutedEventHandler TabItemChange
        {
            add { AddHandler(TabItemChangeEvent, value); }
            remove { RemoveHandler(TabItemChangeEvent, value); }
        }
        #endregion

        #region 变量
        /// 
        /// 调用系统颜色框
        /// 
        private ColorDialog SysColorDia = new ColorDialog();
        #endregion

        #region 属性及依赖属性
        /// 
        /// 当前选项卡背景类型
        /// 
        public BBBackGroundType SelectedOption
        {
            get;
            set;
        } = BBBackGroundType.ColorType;

        /// 
        /// 当前颜色
        /// 
        public static readonly DependencyProperty CurrentColorProperty =
            DependencyProperty.Register("CurrentColor", typeof(System.Windows.Media.Color), typeof(HomeToolBackgroundPanel), new PropertyMetadata((Color)ColorConverter.ConvertFromString("#FF18311B"), OnCurrentColorChanged));
        [Description("当前颜色"), Browsable(false)]        
        public System.Windows.Media.Color CurrentColor
        {
            get { return (System.Windows.Media.Color)GetValue (CurrentColorProperty); }
            set { SetValue(CurrentColorProperty, value); }
        }

        /// 
        /// 当前本地图片背景，从1开始，默认是无效0
        /// 
        public static readonly DependencyProperty CurrentSysBgIndexProperty =
            DependencyProperty.Register("CurrentSysBgIndex", typeof(int), typeof(HomeToolBackgroundPanel), new PropertyMetadata(0, OnCurrentSysBgIndexChanged));

        [Description("当前系统图片背景索引"), Browsable(false)]
        public int CurrentSysBgIndex
        {
            get { return (int)GetValue(CurrentSysBgIndexProperty); }
            set { SetValue(CurrentSysBgIndexProperty ,value); }
        }

        /// 
        /// 当前本地图片路径
        /// 
        public static readonly DependencyProperty CurrentLocalImageBgURIProperty =
            DependencyProperty.Register("CurrentLocalImageBgURI", typeof(string), typeof(HomeToolBackgroundPanel), new PropertyMetadata(string.Empty, OnCurrentLocalImageBgURIChanged));
        [Description("当前本地图片路径"), Browsable(false)]
        public string CurrentLocalImageBgURI
        {
            get { return (string)GetValue(CurrentLocalImageBgURIProperty); }
            set { SetValue(CurrentLocalImageBgURIProperty, value); }
        }
        #endregion

        #region 窗体事件
        /// 
        /// 构造
        /// 
        public HomeToolBackgroundPanel()
        {
            InitializeComponent();
        }

        /// 
        /// 初始化，每次显示的时候调用，可以展示当前黑板背景状态
        /// 
        /// 当前黑板背景类型
        /// 背景内容对象
        public void Init(BBBackGroundType type,object obj)
        {
            switch (type)
            {
                case BBBackGroundType.ColorType:
                    tabPanel.SelectedIndex = 0;
                    CurrentColor = (System.Windows.Media.Color)obj ;
                    break;
                case BBBackGroundType.ImageType:
                    tabPanel.SelectedIndex = 1;
                    CurrentSysBgIndex = (int)obj;
                    break;
                case BBBackGroundType.LocalType:
                    tabPanel.SelectedIndex = 2;
                    CurrentLocalImageBgURI = (string)obj;
                    break;
            }
        }
        #endregion

        #region 依赖事件
        /// 
        /// 颜色改变事件
        /// 
        /// 依赖对象
        /// 事件
        private static void OnCurrentColorChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            if (e.OldValue == e.NewValue)
            {
                return;
            }

            if ((Color)e.NewValue== (Color)ColorConverter.ConvertFromString("#FF18311B"))
            {
                return;
            }

            HomeToolBackgroundPanel control = (HomeToolBackgroundPanel)d;
            control.CurrentSysBgIndex = 0;
            control.CurrentLocalImageBgURI = string.Empty;
            control.BackGroundSelectedChange?.Invoke(control, BBBackGroundType.ColorType,control.CurrentColor);
        }

         /// 
         /// 背景索引改变事件
         /// 
         /// 依赖对象
         /// 事件
        private static void OnCurrentSysBgIndexChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            if (e.OldValue == e.NewValue)
            {
                return;
            }

            if ((int)e.NewValue==0)
            {
                return;
            }
                   
            HomeToolBackgroundPanel control = (HomeToolBackgroundPanel)d;
            control.CurrentColor = (Color)ColorConverter.ConvertFromString("#FF18311B"); 
            control.CurrentLocalImageBgURI = string.Empty;
            control.BackGroundSelectedChange?.Invoke(control, BBBackGroundType.ImageType, control.CurrentSysBgIndex);
        }

        /// 
        /// 本地背景路径改变
        /// 
        /// 依赖对象
        /// 事件
        private static void OnCurrentLocalImageBgURIChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            if (e.OldValue == e.NewValue)
            {
                return;
            }

            if ((string)e.NewValue == string.Empty)
            {
                return;
            }

            HomeToolBackgroundPanel control = (HomeToolBackgroundPanel)d;
            control.CurrentColor = (Color)ColorConverter.ConvertFromString("#FF18311B");
            control.CurrentSysBgIndex = 0;
            control.BackGroundSelectedChange?.Invoke(control, BBBackGroundType.LocalType, control.CurrentLocalImageBgURI);
        }
        #endregion

        #region 内部操作事件
        /// 
        /// 选项卡改变事件
        /// 
        /// 事件源
        /// 事件
        private void TabItem_Select(object sender, RoutedEventArgs e)
        {
            //选项卡改变，背景类型改变
            switch (tabPanel.SelectedIndex)
            {
                case 0:
                    SelectedOption = BBBackGroundType.ColorType;
                    break;
                case 1:
                    SelectedOption = BBBackGroundType.ImageType;
                    break;
                case 2:
                    SelectedOption = BBBackGroundType.LocalType;
                    break;

            }
            RoutedEventArgs routedEventArgs = new RoutedEventArgs(TabItemChangeEvent, e.OriginalSource);
            RaiseEvent(routedEventArgs);
        }

        /// 
        /// 面板颜色值选择
        /// 
        /// 事件源
        /// 事件
        private void ColorPanel_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            colorPanelCurrent.Color = (sender as ColorPanel).Color;
            if ((sender as ColorPanel).Color == (Color)(ColorConverter.ConvertFromString("#FF18311B")))     //保证颜色值是设定色的时候也会触发
            {
                btnBg1.IsSelected = false;
                btnBg2.IsSelected = false;
                btnBg3.IsSelected = false;
                btnBg4.IsSelected = false;
                CurrentSysBgIndex = 0;
                CurrentLocalImageBgURI = string.Empty;
                BackGroundSelectedChange?.Invoke(this, BBBackGroundType.ColorType, CurrentColor);
            }
        }

        /// 
        /// 点击更多颜色
        /// 
        /// 事件源
        /// 事件
        private void btnMoreColor_Click(object sender, RoutedEventArgs e)
        {
            DialogResult result = SysColorDia.ShowDialog();
            if (result == System.Windows.Forms.DialogResult.OK)
            {
                colorPanelCurrent.Color = ColorConverterHelp.ConvertToMediaColor(SysColorDia.Color);
            }
        }

        /// 
        /// 本地背景选择
        /// 
        /// 事件源
        /// 事件
        private void SelectButton_ButtonSelected(object sender, EventArgs e)
        {
            int index = Convert.ToInt32((sender as SelectButton).Tag);

            switch (index)
            {
                case 1:
                    btnBg2.IsSelected = false;
                    btnBg3.IsSelected = false;
                    btnBg4.IsSelected = false;
                    CurrentSysBgIndex = 1;
                    break;
                case 2:
                    btnBg1.IsSelected = false;
                    btnBg3.IsSelected = false;
                    btnBg4.IsSelected = false;
                    CurrentSysBgIndex = 2;
                    break;
                case 3:
                    btnBg1.IsSelected = false;
                    btnBg2.IsSelected = false;
                    btnBg4.IsSelected = false;
                    CurrentSysBgIndex = 3;
                    break;
                case 4:
                    btnBg1.IsSelected = false;
                    btnBg2.IsSelected = false;
                    btnBg3.IsSelected = false;
                    CurrentSysBgIndex = 4;
                    break;
            }

        }

        /// 
        /// 点击选择本地图片
        /// 
        /// 
        /// 
        private void btnAddLoaclImage_Click(object sender, RoutedEventArgs e)
        {
            OpenFileDialog localBg = new OpenFileDialog();
            localBg.DefaultExt = ".png";
            localBg.Filter = "(背景)|*.png";
            if (localBg.ShowDialog() == DialogResult.OK)
            {
                btnBg1.IsSelected = false;
                btnBg2.IsSelected = false;
                btnBg3.IsSelected = false;
                btnBg4.IsSelected = false;
                CurrentSysBgIndex = 0;
                CurrentLocalImageBgURI = System.IO.Path.GetFullPath(localBg.FileName);
            }
        }

        #endregion
    }
}

　　前端：

　　

其实用户控件是我们常用的，没什么可说的，在此做个说明，只想保持博文队形整齐。

自定义控件系列博文链接：

WPF自定义控件（一）の控件分类 
WPF自定义控件（二）の控件分类 
WPF自定义控件（三）の控件分类 
WPF自定义控件（四）の控件分类 
WPF自定义控件（五）の控件分类

 

WPF自定义控件（五）の用户控件（完结）

标签：mes   private   http   xaml   类型   tool   依赖   targe   pst   

原文地址：http://www.cnblogs.com/xietianjiao/p/7569398.html

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