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我在选择树控件中有三个功能。我希望独立选择和安装功能 2 和 3,但如果选择安装功能 1,我希望自动选择功能 2,因为功能 1 依赖于它。当我的选择树显示时,我看到:

[-] All Features
    [x] Feature 1 (requires Feature 2)
    [x] Feature 2        
    [x] Feature 3

其中 [-] 代表“将安装在本地硬盘上”的图标,[x] 代表“整个功能将不可用”的图标。

当我选择要安装的功能 1 时,我看到:

[-] All Features
    [-] Feature 1 (requires Feature 2)
    [x] Feature 2
    [x] Feature 3

但是当我选择功能 1 时,我希望自动选择功能 2,所以它看起来像这样:

[-] All Features
    [-] Feature 1 (requires Feature 2)
    [-] Feature 2
    [x] Feature 3

我不想自动选择功能 3,因为功能 1 不需要它。有没有办法做到这一点?这似乎是一个简单的问题,但我找不到任何有关如何执行此操作的文档或示例。我尝试在 Feature2 中使用如下条件,但由于只选择了 Feature 1,因此从未测试过该条件:

<Feature Id="ProductFeature" Title="All Features" Display="expand" Level="1">
  <Feature Id="Feature1" ConfigurableDirectory="APPLICATIONFOLDER"
           Title="Feature 1 (requires Feature 2)" Level="2">
    <ComponentRef Id="file1.txt" />
  </Feature>
  <Feature Id="Feature2" ConfigurableDirectory="APPLICATIONFOLDER"
           Title="Feature 2" Level="2">
    <ComponentRef Id="file2.txt" />
    <Condition Level="1">MsiSelectionTreeSelectedFeature="Feature1"</Condition>
  </Feature>
  <Feature Id="Feature3" ConfigurableDirectory="APPLICATIONFOLDER"
           Title="Feature 3" Level="2">
    <ComponentRef Id="file3.txt" />
  </Feature>
</Feature>

如果只选择了功能 1,有没有办法“告诉它”将功能 2 的级别属性设置为 1,以便选择树中的功能 2 显示图标,表明它也将被安装?如果尝试设置 Feature2 的 Level 属性不是正确的方法,是否有另一种方法可以用来完成我想要的行为?

如果您想尝试,这是我的完整程序:

<?xml version="1.0" encoding="UTF-8"?>
<Wix xmlns="http://schemas.microsoft.com/wix/2006/wi">
    <Product Id="41788c15-290e-426f-934e-e5b3bf875013" Name="WixUI_FeatureTree" 
           Language="1033" Version="1.0.0.0" Manufacturer="WixUI_FeatureTree" 
           UpgradeCode="5f5d4f80-96f5-4060-a718-539b547d8a29">
        <Package InstallerVersion="200" Compressed="yes" />
        <Media Id="1" Cabinet="media1.cab" EmbedCab="yes" />
        <?define FeatureTree=1?>
    <UIRef Id="MyWixUI_FeatureTree" />

        <Directory Id="TARGETDIR" Name="SourceDir">
            <Directory Id="ProgramFilesFolder">
                <Directory Id="APPLICATIONFOLDER" Name="WixUI_FeatureTree">
                </Directory>
            </Directory>
        </Directory>

        <DirectoryRef Id="APPLICATIONFOLDER">
      <Component Id="file1.txt" Guid="FEBD6C0C-1BDF-413C-B7B1-A4E18AC7A6FA">
        <File Id="file1.txt" Source="file1.txt" KeyPath="yes" Checksum="yes"/>
      </Component>
      <Component Id="file2.txt" Guid="FEBD6C0C-1BDF-413C-B7B1-A4E18AC7A6FB">
        <File Id="file2.txt" Source="file2.txt" KeyPath="yes" Checksum="yes"/>
      </Component>
      <Component Id="file3.txt" Guid="FEBD6C0C-1BDF-413C-B7B1-A4E18AC7A6FC">
        <File Id="file3.txt" Source="file3.txt" KeyPath="yes" Checksum="yes"/>
      </Component>
        </DirectoryRef>

    <Feature Id="ProductFeature" Title="All Features" Display="expand" Level="1">
      <Feature Id="Feature1" ConfigurableDirectory="APPLICATIONFOLDER"
               Title="Feature 1 (requires Feature 2)" Level="2">
        <ComponentRef Id="file1.txt" />
      </Feature>
      <Feature Id="Feature2" ConfigurableDirectory="APPLICATIONFOLDER"
               Title="Feature 2" Level="2">
        <ComponentRef Id="file2.txt" />
        <Condition Level="1">MsiSelectionTreeSelectedFeature="Feature1"</Condition>
      </Feature>
      <Feature Id="Feature3" ConfigurableDirectory="APPLICATIONFOLDER"
               Title="Feature 3" Level="2">
        <ComponentRef Id="file3.txt" />
      </Feature>
    </Feature>

  </Product>
</Wix>
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