WPF自定义选择年月控件详解

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：

来源：http://www.cnblogs.com/s0611163/p/7573774.html