84 lines
5.1 KiB
Markdown
84 lines
5.1 KiB
Markdown
---
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title: CheckComboBox 复选组合框
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---
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可选选中多个项目的组合框.
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```cs
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[TemplatePart(Name = ElementPanel, Type = typeof(Panel))]
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[TemplatePart(Name = ElementSelectAll, Type = typeof(CheckComboBoxItem))]
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public class CheckComboBox : ListBox, IDataInput
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```
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# 属性
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|属性|描述|默认值|备注|
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|VerifyFunc|数据验证委托|||
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|IsError|数据是否错误|false||
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|ErrorStr|错误提示|||
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|TextType|文本类型|||
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|ShowClearButton|是否显示清除按钮|false||
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|MaxDropDownHeight|下拉内容最大高度|||
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|IsDropDownOpen|下拉框是否展开|false||
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|TagStyle|选中标记样式|||
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|ShowSelectAllButton|是否显示选中所有按钮|false|||
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# 附加属性
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|属性|描述|默认值|备注|
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|-|-|-|-|
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|InfoElement.Placeholder|占位符|||
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|InfoElement.Necessary|是否必填|false||
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|InfoElement.Symbol|必填标记|●||
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|InfoElement.ContentHeight|内容高度|30|标题在上时可用|
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|InfoElement.MinContentHeight|最小内容高度|30|标题在上时可用|
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|TitleElement.Title|标题|||
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|TitleElement.TitlePlacement|标题对齐方式|TitlePlacementType.Top||
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|TitleElement.TitleWidth|标题宽度|120||
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|DropDownElement.ConsistentWidth|下拉内容是否和下拉框宽度一致|false|||
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# 方法
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|方法|描述|备注|
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|-|-|-|
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|VerifyData|验证数据|可手动触发验证|
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# 样式
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|样式|描述|
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|-|-|
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|CheckComboBoxBaseStyle|默认样式|
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|CheckComboBoxExtendBaseStyle|默认扩展样式|
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|CheckComboBoxPlusBaseStyle|默认增强样式|
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|CheckComboBoxExtend|扩展样式|
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|CheckComboBoxPlus|增强样式|
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# 案例
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```xml
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<StackPanel Margin="32" Orientation="Horizontal">
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<StackPanel>
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<hc:CheckComboBox ShowClearButton="True" MaxWidth="380" ItemsSource="{Binding DataList}" ShowSelectAllButton="True"/>
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<hc:CheckComboBox MaxWidth="380" ItemsSource="{Binding DataList}" Style="{StaticResource CheckComboBoxExtend}" Margin="0,16,0,0" IsEnabled="False" ShowSelectAllButton="True"/>
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<hc:CheckComboBox ShowClearButton="True" MaxWidth="380" ItemsSource="{Binding DataList}" Style="{StaticResource CheckComboBoxExtend}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0" ShowSelectAllButton="True"/>
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<hc:CheckComboBox MaxWidth="380" 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}}" Style="{StaticResource CheckComboBoxExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
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<hc:CheckComboBox ShowClearButton="True" Width="380" ItemsSource="{Binding DataList}" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" Style="{StaticResource CheckComboBoxExtend}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0" ShowSelectAllButton="True"/>
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<hc:CheckComboBox Width="380" ItemsSource="{Binding DataList}" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource CheckComboBoxExtend}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
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</StackPanel>
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<StackPanel Margin="32,0,0,0">
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<hc:CheckComboBox ShowClearButton="True" MaxWidth="380" ItemsSource="{Binding DataList}" Style="{StaticResource CheckComboBoxPlus}" ShowSelectAllButton="True"/>
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<hc:CheckComboBox MaxWidth="380" ItemsSource="{Binding DataList}" Margin="0,16,0,0" IsEnabled="False" Style="{StaticResource CheckComboBoxPlus}"/>
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<hc:CheckComboBox MaxWidth="380" ShowClearButton="True" ItemsSource="{Binding DataList}" Style="{StaticResource CheckComboBoxPlus}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr1}}" Margin="0,32,0,0" ShowSelectAllButton="True"/>
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<hc:CheckComboBox MaxWidth="380" 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}}" Style="{StaticResource CheckComboBoxPlus}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
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<hc:CheckComboBox MaxWidth="380" ItemsSource="{Binding DataList}" ShowClearButton="True" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" Style="{StaticResource CheckComboBoxPlus}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Margin="0,32,0,0" ShowSelectAllButton="True"/>
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<hc:CheckComboBox MaxWidth="380" ItemsSource="{Binding DataList}" Width="380" hc:InfoElement.TitleWidth="140" hc:InfoElement.TitlePlacement="Left" hc:InfoElement.Placeholder="{ex:Lang Key={x:Static langs:LangKeys.PlsEnterContent}}" hc:InfoElement.Title="{ex:Lang Key={x:Static langs:LangKeys.TitleDemoStr3}}" Style="{StaticResource CheckComboBoxPlus}" hc:InfoElement.Necessary="True" Margin="0,16,0,0"/>
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</StackPanel>
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</StackPanel>
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```
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