WPF 重写ListBox(透明效果)

mac2022-06-30 28

using System; using System.Collections.Generic; using System.Collections.ObjectModel; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows; using System.Windows.Controls; using System.Windows.Data; using System.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 Kingo.Land.JCJG.Controls { /// <summary> /// UCListBox.xaml 的交互逻辑 /// </summary> public partial class UCListBox : UserControl { private string OracleConn = System.Configuration.ConfigurationManager.AppSettings["OracleConn"]; public XZQModelList XZQ = new XZQModelList(); public UCListBox() { InitializeComponent(); Init(); } public void Init() { DataTable dt0 = GetData("select distinct CMC,CDM from tb_hcqy"); foreach (DataRow item0 in dt0.Rows) { XZQ.Add(new Controls.XZQModel { MC = item0["CMC"].ToString(), DM = item0["CDM"].ToString(), }); DataTable dt1 = GetData("select distinct XMC,XDM from tb_hcqy where CMC='" + item0["CMC"].ToString() + "'"); foreach (DataRow item1 in dt1.Rows) { XZQ.Add(new Controls.XZQModel { MC = item1["XMC"].ToString(), DM = item1["XDM"].ToString(), }); } } //将P1数据绑定给listbox控件 Lbox.ItemsSource = XZQ; } //选中行政区 private void border_MouseLeftButtonDown(object sender, MouseButtonEventArgs e) { var bor = (sender as Border).ToolTip; } public DataTable GetData(string sql) { Kingo.Common.DBOperator.IRDBHelper dbHelper = Kingo.Common.DBOperator.RDBFactory.CreateDbHelper(OracleConn, Kingo.Common.DBOperator.DatabaseType.Oracle); DataTable d = dbHelper.ExecuteDatatable("goodgoodstudy", sql, true); dbHelper.DisConnect(); return d; } } public class XZQModelList : ObservableCollection<XZQModel> { } /// <summary> /// 用来存放原始影像表部分数据 /// </summary> public class XZQModel { /// <summary> /// 行政区标识码 /// </summary> public string BSM { get; set; } /// <summary> /// 行政区名称 /// </summary> public string MC { get; set; } /// <summary> /// 行政区父级Id /// </summary> public string DM { get; set; } } /// <summary> /// 定义转换器，将ListBox中市级的变为加粗字体 /// </summary> [ValueConversion(typeof(string), typeof(FontWeight))] public class FontWeightConverter : IValueConverter { public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { if (value.ToString().Length != 4) return FontWeights.Normal; else return FontWeights.Black; } public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { throw new NotImplementedException(); } } /// <summary> /// 转换器位置 /// </summary> [ValueConversion(typeof(string), typeof(Thickness))] public class ThicknessConverter : IValueConverter { public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { if (value.ToString().Length == 4) return new Thickness(10, 5, 0, 5); else return new Thickness(30, 5, 0, 5); } public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { throw new NotImplementedException(); } } /// <summary> /// 转换器透明度 /// </summary> [ValueConversion(typeof(string), typeof(double))] public class OpacityConverter : IValueConverter { public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { if (value.ToString().Length == 4) return 0.2; else return 0.1; } public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { throw new NotImplementedException(); } } } <UC:UCListBox HorizontalAlignment="Left" Height="500" Width="600"/>

效果：

转载于:https://www.cnblogs.com/SeNaiTes/p/10426819.html

相关资源：wpf listbox notes 样式重写

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