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ComboBox 组合框

doc/source/handycontrol/extend_controls/comboBox/index.md

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Original Source

原生组合框的HC扩展。

cs
public class ComboBox : System.Windows.Controls.ComboBox, IDataInput

属性

属性描述默认值备注
VerifyFunc数据验证委托
IsError数据是否错误false
ErrorStr错误提示
TextType文本类型
ShowClearButton是否显示清除按钮false
AutoComplete是否自动完成输入false

附加属性

属性描述默认值备注
InfoElement.Placeholder占位符
InfoElement.Necessary是否必填false
InfoElement.Symbol必填标记●
InfoElement.ContentHeight内容高度30标题在上时可用
InfoElement.MinContentHeight最小内容高度30标题在上时可用
TitleElement.Title标题
TitleElement.TitlePlacement标题对齐方式TitlePlacementType.Top
TitleElement.TitleWidth标题宽度120
DropDownElement.ConsistentWidth下拉内容是否和下拉框宽度一致false

方法

方法描述备注
VerifyData验证数据可手动触发验证

样式

样式描述
ComboBoxPlusBaseStyle默认样式

案例

原生功能在扩展ComboBox上行为一致。

xml
<StackPanel Margin="32">
    <hc:ComboBox ShowClearButton="True" ItemsSource="{Binding DataList}" SelectedIndex="0"/>
    <hc:ComboBox ItemsSource="{Binding DataList}" Margin="0,16,0,0" SelectedIndex="0" IsEnabled="False"/>
    <hc:ComboBox ShowClearButton="True" ItemsSource="{Binding DataList}" SelectedIndex="0" Margin="0,16,0,0" IsEditable="True"/>

    <hc:ComboBox ItemsSource="{Binding DataList}" SelectedIndex="0" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0" Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}"/>
    <hc:ComboBox ShowClearButton="True" ItemsSource="{Binding DataList}" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr2}}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
    <hc:ComboBox ItemsSource="{Binding DataList}" IsEditable="True" SelectedIndex="0" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0" Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}"/>
    <hc:ComboBox AutoComplete="True" ShowClearButton="True" ItemsSource="{Binding DataList}" IsEditable="True" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr2}}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>

    <hc:ComboBox ItemsSource="{Binding DataList}" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0" Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}"/>
    <hc:ComboBox ShowClearButton="True" ItemsSource="{Binding DataList}" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
    <hc:ComboBox ItemsSource="{Binding DataList}" IsEditable="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0" Text="{ex:Lang Key={x:Static langs:LangKeys.ContentDemoStr}}"/>
    <hc:ComboBox AutoComplete="True" ShowClearButton="True" ItemsSource="{Binding DataList}" IsEditable="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" hc:InfoElement.Necessary="True" Margin="0,32,0,0"/>
</StackPanel>