正文

WPF自定义选择年月控件详解

︶ㄣSDDLL学院 メ
SDDLL学院V管理员 / 阅读
0708
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

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：

?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
<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：

 

?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
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米米素材网。

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