在WPF应用程序自定义组合框 [英] custom combobox in wpf Application

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本文介绍了在WPF应用程序自定义组合框的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

进出口新的WPF应用程序。我需要自定义组合框我喜欢这个形象。

Im new to WPF Application. I need to customize my combobox like this image.

我已经试过这个例子
http://www.eidias.com/Blog/2012/2/20/customizing-wpf-combo-box-style

    <Window x:Class="win.Window1"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="Window1"  Height="300" Width="300" Background="Red">
    <Window.Resources>
        <ControlTemplate x:Key="CustomToggleButton" TargetType="ToggleButton">
            <Grid>
                <Border Name="Border" />
                <Border Name="SmallBorder" />
                <Path Name="Arrow" />
            </Grid>
        </ControlTemplate>
        <Style TargetType="{x:Type ComboBoxItem}">
            <Setter Property="FrameworkElement.OverridesDefaultStyle" Value="True" />
            <Setter Property="Control.Template">
                <Setter.Value>
                    <ControlTemplate TargetType="{x:Type ComboBoxItem}">
                        <Border>
                            <ContentPresenter />
                        </Border>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>
        <Style TargetType="{x:Type ComboBox}">
            <Setter Property="FrameworkElement.OverridesDefaultStyle" Value="True" />
            <Setter Property="Control.Template">
                <Setter.Value>
                    <ControlTemplate TargetType="ComboBox">
                        <Grid>
                            <ToggleButton Template="{StaticResource CustomToggleButton}" />
                            <ContentPresenter />
                            <TextBox />
                            <Popup>
                                <Grid>
                                    <Border>
                                        <ScrollViewer>
                                            <ItemsPresenter />
                                        </ScrollViewer>
                                    </Border>
                                </Grid>
                            </Popup>
                        </Grid>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>
    </Window.Resources>
    <Grid>
        <ComboBox Grid.Column="1" Height="40" Width="200" >
            <ComboBoxItem Name="item1">item1</ComboBoxItem>
            <ComboBoxItem Name="item2">item2</ComboBoxItem>
            <ComboBoxItem Name="item3">item3</ComboBoxItem>
        </ComboBox>
    </Grid>
</Window>

这像输出作品textbox.Please帮我家伙!

This output works like textbox.Please help me guys!

推荐答案

我也喜欢的格式,并决定剽窃/重现。请看以下XAML。希望它可以帮助别人...

I also liked the format and decided to plagiarise/reproduce it. Please find the XAML below. Hope it helps someone...

<Window x:Class="ComboStyle.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="MainWindow" Height="350" Width="525">

<Window.Resources>
    <ControlTemplate x:Key="ComboBoxToggleButton" TargetType="{x:Type ToggleButton}">
        <Grid>
            <Grid.ColumnDefinitions>
                <ColumnDefinition />
                <ColumnDefinition Width="20" />
            </Grid.ColumnDefinitions>
            <Border
                  x:Name="Border" 
                  Grid.ColumnSpan="2"
                  CornerRadius="0"
                  Background="#FF3F3F3F"
                  BorderBrush="#FF97A0A5"
                  BorderThickness="1" />
            <Border 
                  Grid.Column="0"
                  CornerRadius="0" 
                  Margin="1" 
                  Background="#FF3F3F3F" 
                  BorderBrush="#FF97A0A5"
                  BorderThickness="0,0,1,0" />
            <Path 
                  x:Name="Arrow"
                  Grid.Column="1"     
                  Fill="White"
                  HorizontalAlignment="Center"
                  VerticalAlignment="Center"
                  Data="M0,0 L0,2 L4,6 L8,2 L8,0 L4,4 z"
                />
        </Grid>
        <!--<ControlTemplate.Triggers>
            <Trigger Property="ToggleButton.IsMouseOver" Value="true">
                <Setter TargetName="Border" Property="Background" Value="#808080" />
            </Trigger>
            <Trigger Property="ToggleButton.IsChecked" Value="true">
                <Setter TargetName="Border" Property="Background" Value="#E0E0E0" />
            </Trigger>
            <Trigger Property="IsEnabled" Value="False">
                <Setter TargetName="Border" Property="Background" Value="#EEEEEE" />
                <Setter TargetName="Border" Property="BorderBrush" Value="#AAAAAA" />
                <Setter Property="Foreground" Value="#888888"/>
                <Setter TargetName="Arrow" Property="Fill" Value="#888888" />
            </Trigger>
        </ControlTemplate.Triggers>-->
    </ControlTemplate>

    <ControlTemplate x:Key="ComboBoxTextBox" TargetType="{x:Type TextBox}">
        <Border x:Name="PART_ContentHost" Focusable="False" Background="{TemplateBinding Background}" />
    </ControlTemplate>

    <Style x:Key="{x:Type ComboBox}" TargetType="{x:Type ComboBox}">
        <Setter Property="SnapsToDevicePixels" Value="true"/>
        <Setter Property="OverridesDefaultStyle" Value="true"/>
        <Setter Property="ScrollViewer.HorizontalScrollBarVisibility" Value="Auto"/>
        <Setter Property="ScrollViewer.VerticalScrollBarVisibility" Value="Auto"/>
        <Setter Property="ScrollViewer.CanContentScroll" Value="true"/>
        <Setter Property="MinWidth" Value="120"/>
        <Setter Property="MinHeight" Value="20"/>
        <Setter Property="Foreground" Value="White"/>
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type ComboBox}">
                    <Grid>
                        <ToggleButton 
                            Name="ToggleButton" 
                            Template="{StaticResource ComboBoxToggleButton}" 
                            Grid.Column="2" 
                            Focusable="false"
                            IsChecked="{Binding Path=IsDropDownOpen,Mode=TwoWay,RelativeSource={RelativeSource TemplatedParent}}"
                            ClickMode="Press">
                        </ToggleButton>
                        <ContentPresenter Name="ContentSite" IsHitTestVisible="False"  Content="{TemplateBinding SelectionBoxItem}"
                            ContentTemplate="{TemplateBinding SelectionBoxItemTemplate}"
                            ContentTemplateSelector="{TemplateBinding ItemTemplateSelector}"
                            Margin="3,3,23,3"
                            VerticalAlignment="Center"
                            HorizontalAlignment="Left" />
                        <TextBox x:Name="PART_EditableTextBox"
                            Style="{x:Null}" 
                            Template="{StaticResource ComboBoxTextBox}" 
                            HorizontalAlignment="Left" 
                            VerticalAlignment="Center" 
                            Margin="3,3,23,3"
                            Focusable="True" 
                            Background="#FF3F3F3F"
                            Foreground="Green"
                            Visibility="Hidden"
                            IsReadOnly="{TemplateBinding IsReadOnly}"/>
                        <Popup 
                            Name="Popup"
                            Placement="Bottom"
                            IsOpen="{TemplateBinding IsDropDownOpen}"
                            AllowsTransparency="True" 
                            Focusable="False"
                            PopupAnimation="Slide">

                            <Grid Name="DropDown"
                              SnapsToDevicePixels="True"                
                              MinWidth="{TemplateBinding ActualWidth}"
                              MaxHeight="{TemplateBinding MaxDropDownHeight}">
                                <Border 
                                x:Name="DropDownBorder"
                                Background="#FF3F3F3F"

                                BorderThickness="1"
                                BorderBrush="#888888"/>
                                <ScrollViewer Margin="4,6,4,6" SnapsToDevicePixels="True">
                                    <StackPanel IsItemsHost="True" KeyboardNavigation.DirectionalNavigation="Contained" />
                                </ScrollViewer>
                            </Grid>
                        </Popup>
                    </Grid>
                    <ControlTemplate.Triggers>
                        <Trigger Property="HasItems" Value="false">
                            <Setter TargetName="DropDownBorder" Property="MinHeight" Value="95"/>
                        </Trigger>
                        <Trigger Property="IsEnabled" Value="false">
                            <Setter Property="Foreground" Value="#888888"/>
                        </Trigger>
                        <Trigger Property="IsGrouping" Value="true">
                            <Setter Property="ScrollViewer.CanContentScroll" Value="false"/>
                        </Trigger>
                        <Trigger SourceName="Popup" Property="Popup.AllowsTransparency" Value="true">
                            <Setter TargetName="DropDownBorder" Property="CornerRadius" Value="0"/>
                            <Setter TargetName="DropDownBorder" Property="Margin" Value="0,2,0,0"/>
                        </Trigger>
                        <Trigger Property="IsEditable"  Value="true">
                            <Setter Property="IsTabStop" Value="false"/>
                            <Setter TargetName="PART_EditableTextBox" Property="Visibility" Value="Visible"/>
                            <Setter TargetName="ContentSite" Property="Visibility" Value="Hidden"/>
                        </Trigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
        <Style.Triggers>
        </Style.Triggers>
    </Style>

    <!-- SimpleStyles: ComboBoxItem -->
    <Style x:Key="{x:Type ComboBoxItem}" TargetType="{x:Type ComboBoxItem}">
        <Setter Property="SnapsToDevicePixels" Value="true"/>
        <Setter Property="Foreground" Value="White"/>
        <Setter Property="OverridesDefaultStyle" Value="true"/>
        <Setter Property="Template">
            <Setter.Value>
                <ControlTemplate TargetType="{x:Type ComboBoxItem}">
                    <Border Name="Border"
                              Padding="2"
                              SnapsToDevicePixels="true">
                        <ContentPresenter />
                    </Border>
                    <ControlTemplate.Triggers>
                        <Trigger Property="IsHighlighted" Value="true">
                            <Setter TargetName="Border" Property="Background" Value="#FF4F4F4F"/>
                        </Trigger>
                        <Trigger Property="IsEnabled" Value="false">
                            <Setter Property="Foreground" Value="#888888"/>
                        </Trigger>
                    </ControlTemplate.Triggers>
                </ControlTemplate>
            </Setter.Value>
        </Setter>
    </Style>
</Window.Resources>


<Grid>
    <Border Padding="10" Background="#FF3F3F3F">
         <ComboBox Grid.Column="1" Height="30" Width="250" >
            <ComboBoxItem Name="Item1">Item1</ComboBoxItem>
            <ComboBoxItem Name="Item2">Item2</ComboBoxItem>
            <ComboBoxItem Name="Item3">Item3</ComboBoxItem>
            <ComboBoxItem Name="Item4">Item4</ComboBoxItem>
            <ComboBoxItem Name="Item5">Item5</ComboBoxItem>
            <ComboBoxItem Name="Item6">Item6</ComboBoxItem>
        </ComboBox>           
    </Border>

</Grid>



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