WPF自定义选择年月控件详解
更新时间:2020年6月25日 11:18 点击:2166
本文实例为大家分享了WPF自定义选择年月控件的具体代码,供大家参考,具体内容如下
封装了一个选择年月的控件,XAML代码:
<UserControl x:Class="SunCreate.CombatPlatform.Client.DateMonthPicker" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Height="23" Loaded="UserControl_Loaded"> <UserControl.Resources> <ResourceDictionary> <ResourceDictionary.MergedDictionaries> <ResourceDictionary Source="/SunCreate.CombatPlatform.Client.Resources;Component/Resource/DateTimePickerResource.xaml" /> </ResourceDictionary.MergedDictionaries> <Style TargetType="ToggleButton" x:Key="stlToggleButton"> <Setter Property="Foreground" Value="White"></Setter> <Setter Property="Template"> <Setter.Value> <ControlTemplate> <Border x:Name="Back" Background="Transparent" BorderThickness="0" BorderBrush="Transparent"> <Path Name="PathFill" Fill="#1b94e0" Width="8" Height="6" StrokeThickness="0" Data="M5,0 L10,10 L0,10 z" RenderTransformOrigin="0.5,0.5" Stretch="Fill"> <Path.RenderTransform> <TransformGroup> <ScaleTransform/> <SkewTransform/> <RotateTransform Angle="180"/> <TranslateTransform/> </TransformGroup> </Path.RenderTransform> </Path> </Border> <ControlTemplate.Triggers> <Trigger Property="IsMouseOver" Value="True"> <Setter TargetName="PathFill" Property="Fill" Value="#1b94e0"></Setter> <Setter TargetName="Back" Property="Background" Value="Transparent"></Setter> <Setter TargetName="Back" Property="BorderBrush" Value="Transparent"></Setter> </Trigger> </ControlTemplate.Triggers> </ControlTemplate> </Setter.Value> </Setter> </Style> <Style TargetType="ComboBox" x:Key="stlComboBox"> <Setter Property="SnapsToDevicePixels" Value="True"/> <Setter Property="ScrollViewer.HorizontalScrollBarVisibility" Value="Auto"/> <Setter Property="ScrollViewer.VerticalScrollBarVisibility" Value="Auto"/> <Setter Property="ScrollViewer.CanContentScroll" Value="True"/> <Setter Property="HorizontalAlignment" Value="Left"></Setter> <Setter Property="Foreground" Value="Black"></Setter> <Setter Property="Height" Value="30"></Setter> <Setter Property="Margin" Value="0,0,0,0"></Setter> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="ComboBox"> <Grid> <Grid.Background> <ImageBrush ImageSource="/SunCreate.CombatPlatform.Client.Resources;component/Image/Face/1比n人脸比对/输入框.png"/> </Grid.Background> <Grid.ColumnDefinitions> <ColumnDefinition Width="0.7*"/> <ColumnDefinition Width="0.3*" MaxWidth="30" MinWidth="18"/> </Grid.ColumnDefinitions> <TextBox Grid.Column="0" IsReadOnly="True" Foreground="#1ba4f6" BorderThickness="1" BorderBrush="Transparent" Text="{TemplateBinding Text}" Background="Transparent"></TextBox> <Border Grid.Column="0" BorderThickness="0" Background="Transparent"> </Border> <Border Grid.Column="1" BorderThickness="0" CornerRadius="0,1,1,0" Background="Transparent"> <ToggleButton Style="{StaticResource stlToggleButton}" IsChecked="{Binding Path=IsDropDownOpen, Mode=TwoWay, RelativeSource={RelativeSource TemplatedParent}}" ClickMode="Press"></ToggleButton> </Border> <Popup IsOpen="{TemplateBinding IsDropDownOpen}" Placement="Bottom" x:Name="Popup" Focusable="False" AllowsTransparency="True" PopupAnimation="Slide"> <Border CornerRadius="1" MaxHeight="{TemplateBinding MaxDropDownHeight}" MinWidth="{TemplateBinding ActualWidth}" x:Name="DropDown" SnapsToDevicePixels="True" Background="Transparent"> <Border.Effect> <DropShadowEffect Color="#1ba4f6" BlurRadius="2" ShadowDepth="0" Opacity="0.5"/> </Border.Effect> <ScrollViewer Margin="4,6,4,6" Style="{DynamicResource ScrollViewerStyle}" MaxHeight="{TemplateBinding MaxDropDownHeight}" SnapsToDevicePixels="True" HorizontalScrollBarVisibility="Auto" VerticalScrollBarVisibility="Auto" CanContentScroll="True"> <!-- StackPanel 用于显示子级,方法是将 IsItemsHost 设置为 True --> <StackPanel IsItemsHost="True" KeyboardNavigation.DirectionalNavigation="Contained" Background="#1ba4f6"/> </ScrollViewer> </Border> </Popup> </Grid> </ControlTemplate> </Setter.Value> </Setter> </Style> </ResourceDictionary> </UserControl.Resources> <Grid> <StackPanel Orientation="Horizontal"> <ComboBox Grid.Column ="2" Grid.Row="0" Name="cbYear" SelectionChanged="cbYear_SelectionChanged" SelectedValuePath="Text" DisplayMemberPath="Text" Height="25" Width="55" Style="{StaticResource stlComboBox}" VerticalAlignment ="Center" > </ComboBox> <TextBlock Text="年" Margin="5 0 5 0" VerticalAlignment="Center" Foreground="#1ba4f6" /> <ComboBox Grid.Column ="2" Grid.Row="0" Name="cbMonth" SelectionChanged="cbMonth_SelectionChanged" SelectedValuePath="Text" DisplayMemberPath="Text" Height="25" Width="40" Style="{StaticResource stlComboBox}" VerticalAlignment ="Center" > </ComboBox> <TextBlock Text="月" Margin="5 0 5 0" VerticalAlignment="Center" Foreground="#1ba4f6" /> </StackPanel> </Grid> </UserControl>
后台代码:
using System; using System.Collections.Generic; using System.Linq; using System.Text; 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.Imaging; using System.Windows.Navigation; using System.Windows.Shapes; using System.ComponentModel; namespace SunCreate.CombatPlatform.Client { /// <summary> /// /// </summary> public partial class DateMonthPicker : UserControl, INotifyPropertyChanged { private DateTime _selectedMonth; public static DependencyProperty selectedTimeProperty; static DateMonthPicker() { selectedTimeProperty = DependencyProperty.Register("SelectedMonth", typeof(DateTime), typeof(DateMonthPicker), new PropertyMetadata(DateTime.Now, new PropertyChangedCallback(SelectedMonthChanged))); } public DateMonthPicker() { InitializeComponent(); int currentYear = DateTime.Now.Year; int currentMonth = DateTime.Now.Month; List<object> yearList = new List<object>(); for (int i = currentYear - 20; i <= currentYear; i++) { yearList.Add(new { Text = i.ToString() }); } cbYear.ItemsSource = yearList; cbMonth.ItemsSource = new List<object>() { new { Text = "1" }, new { Text = "2" }, new { Text = "3" }, new { Text = "4" }, new { Text = "5" }, new { Text = "6" }, new { Text = "7" }, new { Text = "8" }, new { Text = "9" }, new { Text = "10" }, new { Text = "11" }, new { Text = "12" }}; this._selectedMonth = DateTime.Now; } private void UserControl_Loaded(object sender, RoutedEventArgs e) { cbYear.SelectedValue = _selectedMonth.Year.ToString(); cbMonth.SelectedValue = _selectedMonth.Month.ToString(); } private static void SelectedMonthChanged(DependencyObject obj, DependencyPropertyChangedEventArgs e) { (obj as DateMonthPicker).ChangeSelect(e.NewValue); } private void ChangeSelect(object value) { _selectedMonth = (DateTime)value; cbYear.SelectedValue = _selectedMonth.Year.ToString(); cbMonth.SelectedValue = _selectedMonth.Month.ToString(); } public DateTime SelectedMonth { get { return (DateTime)this.GetValue(DateMonthPicker.selectedTimeProperty); } set { this.SetValue(DateMonthPicker.selectedTimeProperty, value); } } public DateTime StartDay { get { return this._selectedMonth.AddDays(1 - this._selectedMonth.Day).Date; } } public DateTime EndDay { get { return this.StartDay.AddMonths(1).AddDays(-1); } } #region INotifyPropertyChanged 成员 public event PropertyChangedEventHandler PropertyChanged; private void SendPropertyChanged(String propertyName) { if (PropertyChanged != null) this.PropertyChanged(this, new PropertyChangedEventArgs(propertyName)); } #endregion private void cbYear_SelectionChanged(object sender, SelectionChangedEventArgs e) { ComboBox cb = sender as ComboBox; if (this._selectedMonth != DateTime.MinValue && cb.SelectedValue != null) { this._selectedMonth = new DateTime(Convert.ToInt32(cb.SelectedValue), this._selectedMonth.Month, 1); SelectedMonth = this._selectedMonth; } } private void cbMonth_SelectionChanged(object sender, SelectionChangedEventArgs e) { ComboBox cb = sender as ComboBox; if (this._selectedMonth != DateTime.MinValue && cb.SelectedValue != null) { this._selectedMonth = new DateTime(this._selectedMonth.Year, Convert.ToInt32(cb.SelectedValue), 1); SelectedMonth = this._selectedMonth; } } } }
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猪先飞。
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