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删除现有产品，然后重新安装。使用示例代码指导我

• 问答

如果安装程序第二次运行，我想添加功能，它将首先删除现有产品。没有版本功能。请指导我如何确保产品已经存在。安装程序将首先将其删除，然后在安装启动应用程序后再次安装。 要么 如果已经存在具有相同版本的产品，请启动安装程序。 如果有示例代码，也请分享。谢谢。

<?xml version="1.0" encoding="UTF-8"?>
<Wix xmlns="http://schemas.microsoft.com/wix/2006/wi">
  <?define EmbeddApp_TargetDir=$(var.EmbeddApp.TargetDir)?>
  <Product Id="*" Name="Troytec_TestEngine" Language="1033" Version="1.0.0.0" Manufacturer="TroyTec" UpgradeCode="c28ad43a-4fe4-4d14-ba4f-6422c00b13c2">
    <Package Id="*" InstallerVersion="200" Compressed="yes" InstallScope="perMachine" />

    <!--<Majorupgrade AllowDowngrades="yes" />-->
    <MediaTemplate />

    <Property Id="PREVIOUSVERSIONSINSTALLED" Secure="yes" />
<Upgrade Id="a61287ef-e184-421b-ac76-d8b91e489a6d">  
   <UpgradeVersion
      Minimum="1.0.0.0" Maximum="99.0.0.0"
      Property="PREVIOUSVERSIONSINSTALLED"
      IncludeMinimum="yes" IncludeMaximum="no" />
</Upgrade>

    <Feature Id="ProductFeature" Title="Troytec_TestEngine" Level="1">
      <ComponentGroupRef Id="ProductComponents" />
      <ComponentRef Id="ApplicationShortcut" />
      <ComponentRef Id="ApplicationShortcutDesktop" />
      <ComponentRef Id="CMP_MyEmptyDir" />
      <ComponentRef Id="CMP_MyEmptyDir2" />
      <ComponentRef Id="CMP_MyEmptyDir3" />
    </Feature>


     <!--Step 2: Add UI to your installer / Step 4: Trigger the custom action--> 
    <!--<UI>
      <UIRef Id="WixUI_Minimal" />
      <Publish Dialog="ExitDialog"
          Control="Finish"
          Event="Doaction"
          Value="LaunchApplication">WIXUI_EXITDIALOGOPTIONALCHECKBOX = 1 and NOT Installed</Publish>
    </UI>-->
    <Property Id="WIXUI_EXITDIALOGOPTIONALCHECKBOXTEXT" Value="Launch My Application Name" />

     <!--Step 3: Include the custom action--> 
    <!--<Property Id="WixShellExecTarget" Value="[EmbeddApp.exe]" />-->
    <Customaction Id="LaunchApplication"
        BinaryKey="WixCA"
        DllEntry="WixShellExec"
        Impersonate="yes" />




  </Product>
  <!--<Fragment>
    <InstallExecuteSequence>
      <Custom action='902bc339-5cef-4f74-9d04-07941afa8ba1' Before='6d48fcc2-99cb-4ab6-867a-79f0484db05c'>
        (NOT UPGRADINGPRODUCTCODE) AND (REMOVE="ALL")
      </Custom>
    </InstallExecuteSequence>
  </Fragment>-->






  <Fragment>
    <Directory Id="TARGETDIR" Name="SourceDir">
      <Directory Id="ProgramFilesFolder">
        <Directory Id="INSTALLFOLDER" Name="Troytec_TestEngine" >
          <Directory Id="FOLDER1" Name="GPUCache">
          </Directory>
            <Directory Id="FOLDER2" Name="locales">
              </Directory>
          <Directory Id="FOLDER3" Name="swiftshader">
            </Directory>
      </Directory>
    </Directory>
      <Directory Id="ProgramMenuFolder">
        <Directory Id="ApplicationProgramsFolder" Name="Troytec_TestEngine" />
      </Directory>
      <Directory Id="DesktopFolder" Name="Desktop"/>

    </Directory>
  </Fragment>

  <Fragment>
    <Icon Id="City.ico" SourceFile="letter-t-24.ico" />
    <DirectoryRef Id="ApplicationProgramsFolder">
      <Component Id="ApplicationShortcut" Guid="9bd13330-6540-406f-a3a8-d7f7c69ae7f9">
        <Shortcut Id="ApplicationStartMenuShortcut" Name="Troytec_TestEngine" Description="MyWpfApplication" Target="[INSTALLFOLDER]EmbeddApp.exe" WorkingDirectory="INSTALLFOLDER" Icon ="City.ico" />
        <RemoveFolder Id="RemoveApplicationProgramsFolder" Directory="ApplicationProgramsFolder" On="uninstall" />
        <RegistryValue Root="HKCU" Key="Software\MyWpfApplication" Name="installed" Type="integer" Value="1" KeyPath="yes" />
      </Component>
    </DirectoryRef>
    <DirectoryRef Id="DesktopFolder">
      <Component Id="ApplicationShortcutDesktop" Guid="cde1e030-eb64-49a5-b7b8-400b379c2d1a">
        <Shortcut Id="ApplicationDesktopShortcut" Name="Troytec_TestEngine" Description="MyWpfApplication" Target="[INSTALLFOLDER]EmbeddApp.exe" WorkingDirectory="INSTALLFOLDER" Icon ="City.ico" />
        <RemoveFolder Id="RemoveDesktopFolder" Directory="DesktopFolder" On="uninstall" />
        <RegistryValue Root="HKCU" Key="Software\Troytec_TestEngine" Name="installed" Type="integer" Value="1" KeyPath="yes" />
      </Component>
    </DirectoryRef>
  </Fragment>


  <Fragment>



</Fragment>




  <Fragment>
    <ComponentGroup Id="ProductComponents" Directory="INSTALLFOLDER">
      <!-- TODO: Remove the comments around this Component element and the ComponentRef below in order to add resources to this installer. -->
      <!-- <Component Id="ProductComponent"> -->
      <!-- TODO: Insert files,registry keys,and other resources here. -->
      <!-- </Component> -->

      <Component Id="EmbeddApp.exe" Guid="85c6f764-7517-4bc6-8e5a-ec52ae6ece1e">
        <File Id="EmbeddApp.exe" Name="EmbeddApp.exe" Source="$(var.EmbeddApp_TargetDir)EmbeddApp.exe" />
      </Component>
      <Component Id="EmbeddApp.exe.config" Guid="8ee125d7-7043-498a-ad65-24055252218a">
        <File Id="EmbeddApp.exe.config" Name="EmbeddApp.exe.config" Source="$(var.EmbeddApp_TargetDir)EmbeddApp.exe.config" />
      </Component>
      <Component Id="CefSharp.WinForms.dll" Guid="9fdb1c25-2275-4a14-8f4f-6832b7a617dc">
        <File Id="CefSharp.WinForms.dll" Name="CefSharp.WinForms.dll" Source="$(var.EmbeddApp_TargetDir)CefSharp.WinForms.dll" />
      </Component>
      <Component Id="CefSharp.dll" Guid="9bdbc9cc-52a6-4213-b941-0248e995aa71">
        <File Id="CefSharp.dll" Name="CefSharp.dll" Source="$(var.EmbeddApp_TargetDir)CefSharp.dll" />
      </Component>
      <Component Id="CefSharp.Core.dll" Guid="0e058c32-f73b-4b3f-acbd-b0c29c019297">
        <File Id="CefSharp.Core.dll" Name="CefSharp.Core.dll" Source="$(var.EmbeddApp_TargetDir)CefSharp.Core.dll" />
      </Component>

      <!--other files-->

      <Component Id="cef.pak" Guid="283c053a-c66e-4889-9c6b-2884b50b8cbb">
        <File Id="cef.pak" Name="cef.pak" Source="$(var.EmbeddApp_TargetDir)cef.pak" />
      </Component>
      <Component Id="cef_100_percent.pak" Guid="12342b21-68e4-4874-ac3f-87ac8a9f40c2">
        <File Id="cef_100_percent.pak" Name="cef_100_percent.pak" Source="$(var.EmbeddApp_TargetDir)cef_100_percent.pak" />
      </Component>
      <Component Id="cef_200_percent.pak" Guid="b261180b-0fa2-41ea-ba8d-63d329f2d047">
        <File Id="cef_200_percent.pak" Name="cef_200_percent.pak" Source="$(var.EmbeddApp_TargetDir)cef_200_percent.pak" />
      </Component>
      <Component Id="cef_extensions.pak" Guid="a4a0a9d0-0308-46be-b24a-7de985018039">
        <File Id="cef_extensions.pak" Name="cef_extensions.pak" Source="$(var.EmbeddApp_TargetDir)cef_extensions.pak" />
      </Component>
      <Component Id="CefSharp.BrowserSubprocess.Core.dll" Guid="f3e2f9bc-066a-43f0-9e14-445d7af00243">
        <File Id="CefSharp.BrowserSubprocess.Core.dll" Name="CefSharp.BrowserSubprocess.Core.dll" Source="$(var.EmbeddApp_TargetDir)CefSharp.BrowserSubprocess.Core.dll" />
      </Component>
      <Component Id="CefSharp.BrowserSubprocess.Core.pdb" Guid="6127f13d-4b77-4a7f-992d-5b49abb2dfee">
        <File Id="CefSharp.BrowserSubprocess.Core.pdb" Name="CefSharp.BrowserSubprocess.Core.pdb" Source="$(var.EmbeddApp_TargetDir)CefSharp.BrowserSubprocess.Core.pdb" />
      </Component>
      <Component Id="CefSharp.BrowserSubprocess.exe" Guid="4b029801-a97e-47a0-8f37-0a0540bed89e">
        <File Id="CefSharp.BrowserSubprocess.exe" Name="CefSharp.BrowserSubprocess.exe" Source="$(var.EmbeddApp_TargetDir)CefSharp.BrowserSubprocess.exe" />
      </Component>
      <Component Id="CefSharp.BrowserSubprocess.pdb" Guid="d47f6d16-c6f5-4cf3-98a8-a342444e225f">
        <File Id="CefSharp.BrowserSubprocess.pdb" Name="CefSharp.BrowserSubprocess.pdb" Source="$(var.EmbeddApp_TargetDir)CefSharp.BrowserSubprocess.pdb" />
      </Component>
      <Component Id="CefSharp.Core.pdb" Guid="f9ae3c06-3c49-40af-8047-da555d43304b">
        <File Id="CefSharp.Core.pdb" Name="CefSharp.Core.pdb" Source="$(var.EmbeddApp_TargetDir)CefSharp.Core.pdb" />
      </Component>
      <Component Id="CefSharp.Core.xml" Guid="71e6a1c8-e1c2-4f41-bf09-c664cd62b0a7">
        <File Id="CefSharp.Core.xml" Name="CefSharp.Core.xml" Source="$(var.EmbeddApp_TargetDir)CefSharp.Core.xml" />
      </Component>
      <Component Id="CefSharp.pdb" Guid="1f6df66a-972c-4945-a675-ab7f6bff3207">
        <File Id="CefSharp.pdb" Name="CefSharp.pdb" Source="$(var.EmbeddApp_TargetDir)CefSharp.pdb" />
      </Component>
      <Component Id="CefSharp.WinForms.pdb" Guid="9f9aa753-8be7-4349-bf90-3799c9cb8560">
        <File Id="CefSharp.WinForms.pdb" Name="CefSharp.WinForms.pdb" Source="$(var.EmbeddApp_TargetDir)CefSharp.WinForms.pdb" />
      </Component>
      <Component Id="CefSharp.WinForms.xml" Guid="56dc62fa-e64e-4f92-a8df-3415423e65cd">
        <File Id="CefSharp.WinForms.xml" Name="CefSharp.WinForms.xml" Source="$(var.EmbeddApp_TargetDir)CefSharp.WinForms.xml" />
      </Component>
      <Component Id="CefSharp.xml" Guid="c567fe97-a411-477d-8f5b-82432593c090">
        <File Id="CefSharp.xml" Name="CefSharp.xml" Source="$(var.EmbeddApp_TargetDir)CefSharp.xml" />
      </Component>
      <Component Id="chrome_elf.dll" Guid="8272cf27-65c6-499e-b503-b56ed9f80db1">
        <File Id="chrome_elf.dll" Name="chrome_elf.dll" Source="$(var.EmbeddApp_TargetDir)chrome_elf.dll" />
      </Component>
      <Component Id="d3dcompiler_47.dll" Guid="3405163c-2405-41e7-aeef-3f4f65df1dd2">
        <File Id="d3dcompiler_47.dll" Name="d3dcompiler_47.dll" Source="$(var.EmbeddApp_TargetDir)d3dcompiler_47.dll" />
      </Component>
      <Component Id="devtools_resources.pak" Guid="e2ffd1f6-9283-442f-b83f-fde86ddf1553">
        <File Id="devtools_resources.pak" Name="devtools_resources.pak" Source="$(var.EmbeddApp_TargetDir)devtools_resources.pak" />
      </Component>
      <Component Id="EmbeddApp.pdb" Guid="e040e421-d4b4-4916-9089-f2efb1459594">
        <File Id="EmbeddApp.pdb" Name="EmbeddApp.pdb" Source="$(var.EmbeddApp_TargetDir)EmbeddApp.pdb" />
      </Component>
      <Component Id="icudtl.dat" Guid="a14f1e18-8813-42c1-bad6-f40ad21d1b25">
        <File Id="icudtl.dat" Name="icudtl.dat" Source="$(var.EmbeddApp_TargetDir)icudtl.dat" />
      </Component>
      <Component Id="libcef.dll" Guid="22493d08-ed8f-4bf3-9708-ace297e0d2d7">
        <File Id="libcef.dll" Name="libcef.dll" Source="$(var.EmbeddApp_TargetDir)libcef.dll" />
      </Component>
      <Component Id="libEGL.dll" Guid="8ffc6d72-f929-4162-b7d4-49b8229aeb32">
        <File Id="libEGL.dll" Name="libEGL.dll" Source="$(var.EmbeddApp_TargetDir)libEGL.dll" />
      </Component>
      <Component Id="libGLESv2.dll" Guid="8e759d91-3e4c-4a02-9ba7-6dfaf4c0fa7e">
        <File Id="libGLESv2.dll" Name="libGLESv2.dll" Source="$(var.EmbeddApp_TargetDir)libGLESv2.dll" />
      </Component>
      <Component Id="natives_blob.bin" Guid="15c51480-6cf0-4127-a949-d899ba5a3422">
        <File Id="natives_blob.bin" Name="natives_blob.bin" Source="$(var.EmbeddApp_TargetDir)natives_blob.bin" />
      </Component>
      <Component Id="snapshot_blob.bin" Guid="50f987cb-551e-4734-9d15-b59e0fa7f868">
        <File Id="snapshot_blob.bin" Name="snapshot_blob.bin" Source="$(var.EmbeddApp_TargetDir)snapshot_blob.bin" />
      </Component>
      <Component Id="v8_context_snapshot.bin" Guid="492bb45e-1cdf-4ee1-992f-5479edff99e9">
        <File Id="v8_context_snapshot.bin" Name="v8_context_snapshot.bin" Source="$(var.EmbeddApp_TargetDir)v8_context_snapshot.bin" />
      </Component>
    <!--<Component Id="data_0" Guid="b2f7d81e-587b-4e5e-835a-e29b394ae574">
        <File Id="data_0" Name="data_0" Source="$(var.EmbeddApp_TargetDir)GPUCache\data_0" />
      </Component>-->

    </ComponentGroup>


  <Customaction Id="EXECUTE_AFTER_FINALIZE"                  
              Execute="immediate" 
              Impersonate="no"
              Return="asyncNoWait"
              FileKey="EmbeddApp.exe"
              ExeCommand="" />

<InstallExecuteSequence>

  <RemoveExistingProducts Before="InstallInitialize" Overridable="yes" />
  <Custom action="EXECUTE_AFTER_FINALIZE" After="InstallFinalize">NOT Installed</Custom>
<!--<RemoveExistingProducts Overridable="yes" Sequence="1" />
  <Custom action="EXECUTE_AFTER_FINALIZE" After="InstallFinalize">NOT Installed</Custom>-->
</InstallExecuteSequence>


  </Fragment>





  <!--<Fragment>
    <ComponentGroup Id="ProductSubComponents" Directory="FOLDER1">
      <Component Id="data_0" Guid="b2f7d81e-587b-4e5e-835a-e29b394ae574">
        <File Id="data_0" Name="data_0" Source="$(var.EmbeddApp_TargetDir)GPUCache\data_0" />
      </Component>
    </ComponentGroup>
  </Fragment>-->


</Wix>
dengluxinqing 回答：删除现有产品，然后重新安装。使用示例代码指导我
暂时没有好的解决方案，如果你有好的解决方案，请发邮件至：iooj@foxmail.com
wixwix3wix3.6
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