我在SharpDevelop的wixproj中有以下wxs。

安装作品。卸载什么也不做，并将安装文件夹和dll保留。有什么问题？

Files.wxs：

<?xml version="1.0"?>
<Wix xmlns="http://schemas.microsoft.com/wix/2006/wi">
    <Fragment>
        <DirectoryRef Id="TARGETDIR">
            <Directory Id="ProgramFilesFolder" Name="PFiles">
                <Directory Id="INSTALLDIR" Name="Client">
                    <Component Id="InteropDll" Guid="AD09F8B9-80A0-46E6-9E36-9618E2023D66" DiskId="1">
                        <File Id="Interop.dll" Name="Interop.dll" Source="..\Interop\bin\$(var.Configuration)\Interop.dll" KeyPath="yes" />
                        <RemoveFile Id="RemoveInterop.dll" Name="Interop.dll" On="uninstall" />
                    </Component>
                </Directory>
            </Directory>
        </DirectoryRef>
    </Fragment>
</Wix>

Setup.wxs：

<?xml version="1.0"?>
<Wix xmlns="http://schemas.microsoft.com/wix/2006/wi">
    <Product Id="*"
        Name="Client Setup"
        Language="1033"
        Version="1.0.0.0"
        UpgradeCode="4A88A3AD-7CB6-46FB-B2FD-F4EADE0218F8"
        Manufacturer="Client Setup">
        <Package Description="#Description"
            Comments="Comments"
            InstallerVersion="200"
            Compressed="yes"/>
        <!--
            Source media for the installation. 
            Specifies a single cab file to be embedded in the installer's .msi. 
        -->
        <Media Id="1" Cabinet="contents.cab" EmbedCab="yes" CompressionLevel="high"/>

        <!-- Installation directory and files are defined in Files.wxs -->
        <Directory Id="TARGETDIR" Name="SourceDir"/>

        <Feature Id="Complete"
                 Title="Client Setup"
                 Description="Client Setup"
                 Level="1">
            <ComponentRef Id="InteropDll" />
        </Feature>

        <!-- 
            Using the Wix UI library

            WixUI_InstallDir does not allow the user to choose 
            features but adds a dialog to let the user choose a 
            directory where the product will be installed
        -->
        <Property Id="WIXUI_INSTALLDIR">INSTALLDIR</Property>

        <UI Id="WixUI_InstallDir">
            <TextStyle Id="WixUI_Font_Normal" FaceName="Tahoma" Size="8" />
            <TextStyle Id="WixUI_Font_Bigger" FaceName="Tahoma" Size="12" />
            <TextStyle Id="WixUI_Font_Title" FaceName="Tahoma" Size="9" Bold="yes" />

            <Property Id="DefaultUIFont" Value="WixUI_Font_Normal" />
            <Property Id="WixUI_Mode" Value="InstallDir" />

            <DialogRef Id="BrowseDlg" />
            <DialogRef Id="DiskCostDlg" />
            <DialogRef Id="ErrorDlg" />
            <DialogRef Id="FatalError" />
            <DialogRef Id="FilesInUse" />
            <DialogRef Id="MsiRMFilesInUse" />
            <DialogRef Id="PrepareDlg" />
            <DialogRef Id="ProgressDlg" />
            <DialogRef Id="ResumeDlg" />
            <DialogRef Id="UserExit" />

            <Publish Dialog="BrowseDlg" Control="OK" Event="DoAction" Value="WixUIValidatePath" Order="3">1</Publish>
            <Publish Dialog="BrowseDlg" Control="OK" Event="SpawnDialog" Value="InvalidDirDlg" Order="4"><![CDATA[WIXUI_INSTALLDIR_VALID<>"1"]]></Publish>

            <Publish Dialog="ExitDialog" Control="Finish" Event="EndDialog" Value="Return" Order="999">1</Publish>

            <Publish Dialog="WelcomeDlg" Control="Next" Event="NewDialog" Value="InstallDirDlg">NOT Installed</Publish>
            <Publish Dialog="WelcomeDlg" Control="Next" Event="NewDialog" Value="VerifyReadyDlg">Installed AND PATCH</Publish>

            <Publish Dialog="InstallDirDlg" Control="Back" Event="NewDialog" Value="WelcomeDlg">1</Publish>
            <Publish Dialog="InstallDirDlg" Control="Next" Event="SetTargetPath" Value="[WIXUI_INSTALLDIR]" Order="1">1</Publish>
            <Publish Dialog="InstallDirDlg" Control="Next" Event="DoAction" Value="WixUIValidatePath" Order="2">NOT WIXUI_DONTVALIDATEPATH</Publish>
            <Publish Dialog="InstallDirDlg" Control="Next" Event="SpawnDialog" Value="InvalidDirDlg" Order="3"><![CDATA[NOT WIXUI_DONTVALIDATEPATH AND WIXUI_INSTALLDIR_VALID<>"1"]]></Publish>
            <Publish Dialog="InstallDirDlg" Control="Next" Event="NewDialog" Value="VerifyReadyDlg" Order="4">WIXUI_DONTVALIDATEPATH OR WIXUI_INSTALLDIR_VALID="1"</Publish>
            <Publish Dialog="InstallDirDlg" Control="ChangeFolder" Property="_BrowseProperty" Value="[WIXUI_INSTALLDIR]" Order="1">1</Publish>
            <Publish Dialog="InstallDirDlg" Control="ChangeFolder" Event="SpawnDialog" Value="BrowseDlg" Order="2">1</Publish>

            <Publish Dialog="VerifyReadyDlg" Control="Back" Event="NewDialog" Value="InstallDirDlg" Order="1">NOT Installed</Publish>
            <Publish Dialog="VerifyReadyDlg" Control="Back" Event="NewDialog" Value="MaintenanceTypeDlg" Order="2">Installed AND NOT PATCH</Publish>
            <Publish Dialog="VerifyReadyDlg" Control="Back" Event="NewDialog" Value="WelcomeDlg" Order="2">Installed AND PATCH</Publish>

            <Publish Dialog="MaintenanceWelcomeDlg" Control="Next" Event="NewDialog" Value="MaintenanceTypeDlg">1</Publish>

            <Publish Dialog="MaintenanceTypeDlg" Control="RepairButton" Event="NewDialog" Value="VerifyReadyDlg">1</Publish>
            <Publish Dialog="MaintenanceTypeDlg" Control="RemoveButton" Event="NewDialog" Value="VerifyReadyDlg">1</Publish>
            <Publish Dialog="MaintenanceTypeDlg" Control="Back" Event="NewDialog" Value="MaintenanceWelcomeDlg">1</Publish>

            <Property Id="ARPNOMODIFY" Value="1" />
        </UI>

        <UIRef Id="WixUI_Common" />
    </Product>
</Wix>