Flex HGroup

介绍

HGroup容器是使用HorizontalLayout类的Group容器。使用HGroup类的属性来修改HorizontalLayout类的特性。

类声明

以下是 spark.components.HGroup 类的声明:

public class HGroup 
   extends Group

公共属性

公共方法

继承的方法

此类继承以下类中的方法:

• spark.components.Group

• Spark.components.supportClasses.GroupBase

• mx.core.UIComponent

• mx.core.FlexSprite

• flash.display.Sprite

• flash.display.DisplayObjectContainer

• flash.display.InteractiveObject

• flash.display.DisplayObject

• flash.events.EventDispatcher

• Object

Flex HGroup示例

让我们按照以下步骤通过创建测试应用程序来检查Flex应用程序中HGroup的使用:

以下是修改后的mxml文件 src / com.tutorialspoint / HelloWorld.mxml 的内容。

<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
   xmlns:s="library://ns.adobe.com/flex/spark"
   xmlns:mx="library://ns.adobe.com/flex/mx"
   width="100%" height="100%" minWidth="500" minHeight="500"
   >  
   <fx:Style source="/com/tutorialspoint/client/Style.css"/>
   <fx:Script>
      <![CDATA[
         private function applyVGroupProperties():void
         {
            mainHGroup.paddingTop = padTopH.value;
            mainHGroup.paddingLeft = padLeftH.value;
            mainHGroup.paddingRight = padRightH.value;
            mainHGroup.paddingBottom = padBottomH.value;
            mainHGroup.gap = gapH.value;
         }		
      ]]>
   </fx:Script>
   <s:BorderContainer width="630" height="480" id="mainContainer" 
      styleName="container">
      <s:VGroup width="100%" height="100%" gap="50" 
         horizontalAlign="center" verticalAlign="middle">
         <s:Label id="lblHeader" text="Layout Panels Demonstration" 
            fontSize="40" color="0x777777" styleName="heading"/>
         <s:Panel id="hGroupPanel" title="Using HGroup" 
            width="500" height="300" includeInLayout="true" visible="true">
            <s:layout>
               <s:HorizontalLayout  gap="10" verticalAlign="middle" 
                  horizontalAlign="center"/>	
            </s:layout>	
            <s:VGroup top="10" left="15">
               <s:HGroup verticalAlign="middle">            
                  <s:Label text="Gap:" width="100"/>
                  <s:NumericStepper id="gapH" maximum="400"/>
               </s:HGroup>                
               <s:HGroup verticalAlign="middle">
                  <s:Label text="Padding Top:" width="100"/>
                  <s:NumericStepper id="padTopH" maximum="400"/>
               </s:HGroup>            
               <s:HGroup verticalAlign="middle">
                  <s:Label text="Padding Left:" width="100"/>
                  <s:NumericStepper id="padLeftH" maximum="400"/>
               </s:HGroup>
               <s:HGroup verticalAlign="middle">
                  <s:Label text="Padding Right:" width="100"/>            
                  <s:NumericStepper id="padRightH" maximum="400"/>
               </s:HGroup>
               <s:HGroup verticalAlign="middle">
                  <s:Label text="Padding Bottom:" width="100"/>
                  <s:NumericStepper id="padBottomH" maximum="400"/>
               </s:HGroup>    
               <s:Button label="Apply Properties" 
               click="applyVGroupProperties()"/>						
            </s:VGroup>
            <s:HGroup left="300" top="25" id="mainHGroup">
               <s:BorderContainer width="50" height="50" 
                  borderWeight="2" color="0x323232" />
               <s:BorderContainer width="50" height="50" 
                  borderWeight="2" color="0x323232" />
               <s:BorderContainer width="50" height="50" 
                  borderWeight="2" color="0x323232" />
            </s:HGroup>    
         </s:Panel>
      </s:VGroup>	 
   </s:BorderContainer>	
</s:Application>

准备好所有更改后，让我们以正常模式编译和运行应用程序，就像在 Flex - 创建应用程序中一样 章节。 如果一切顺利，您的应用程序，这将产生以下结果:[在线试用]