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服务器之家 - 编程语言 - C# - WPF自定义选择年月控件详解

WPF自定义选择年月控件详解

2022-01-24 13:37秋荷雨翔 C#

这篇文章主要为大家详细介绍了WPF自定义选择年月控件的相关资料，具有一定的参考价值，感兴趣的小伙伴们可以参考一下

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：

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<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：

 

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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：

WPF自定义选择年月控件详解

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服务器之家。

原文链接：http://www.cnblogs.com/s0611163/p/7573774.html

  • WPF
  • 年月控件

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