你能从这个xml看出界面实现是用的哪个库吗？解决思路

你能从这个xml看出界面实现是用的哪个库吗？
莫非是自己写的？？
xml文件的后缀是.xfm

XML code

<?xml version="1.0" encoding="utf-8"?><xform xmlns="xform">    <TLabel Name="lblOutputDir" Left="554" Top="24" Width="38" Height="13" Anchors="[akLeft,akBottom]" Caption="Output:" ParentFont="False" Transparent="True" Visible="False">      <Font ClassName="TFont" Charset="DEFAULT_CHARSET" Color="clBlack" Height="-11" Name="Tahoma" Style="[]" />    </TLabel>    <TFSSkinButton Name="btnSplitLine" Left="220" Top="23" Width="5" Height="41" SkinName="MainForm(28)" />    <TFSComboBox Name="cbAfterConvertion" Left="584" Top="479" Width="105" Height="21" DoubleBuffered="True" Transparent="True" Style="csDropDownList" Anchors="[akLeft,akBottom]" Color="clWhite" Ctl3D="False" ItemHeight="13" ItemIndex="0" ParentCtl3D="False" ParentFont="False" TabOrder="17" Text="00" OnDropDown="cbAfterConvertionDropDown">      <Font ClassName="TFont" Charset="DEFAULT_CHARSET" Color="clBlack" Height="-11" Name="Tahoma" Style="[]" />      <Items ClassName="TFSComboBoxStrings">        <Strings ValueType="List" DataType="String">00</Strings>      </Items>    </TFSComboBox></xform>