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<!DOCTYPE chapter SYSTEM "../../dtd/dblite.dtd">
<sect1 id="tmerge-dug-open">
  <title>Open Files</title>
  <?dbhh topicname="HIDD_OPENDLG"?>
  <para>
    When you start TortoiseMerge without any command line switches then
    you have to open the files manually, using
    <menuchoice>
      <guimenu>File</guimenu>
      <guimenuitem>Open</guimenuitem>
    </menuchoice>.
  </para>
  <figure id="tmerge-dug-dia-open">
    <title>The Open Dialog</title>
    <graphic fileref="images/TMerge_Open.png"/>
  </figure>
  <para>
    The first thing you have to do is to decide whether you just want
    to compare/merge files, or whether you want to apply a patch file.
    Depending on what you choose, the corresponding edit boxes and
    browse buttons are activated.
  </para>
  <sect2 id="tmerge-dug-open-view">
    <title>Viewing / Merging</title>
    <para>
      If you want to compare / merge files you have to set at least two
      of the three possible paths for <literal>Base</literal>,
      <literal>Mine</literal> and <literal>Theirs</literal>.
      If you select only two files, then TortoiseMerge will show
      you the differences between those two files, either in a two
      pane view or in a one pane view.
    </para>
    <para>
      If you want to merge three files, TortoiseMerge
      will show you the differences in a three pane view. This view
      is generally used if you need to resolve conflicted files.
      The output file is not named in this case and you will have to
      use the
      <menuchoice>
        <guimenu>File</guimenu>
        <guimenuitem>Save As...</guimenuitem>
      </menuchoice>.
      to save the results.
    </para>
  </sect2>
  <sect2 id="tmerge-dug-open-patch">
    <title>Applying Patches</title>
    <para>
      If you want to apply a patch file you have to set both the path
      to the patch file itself and the path to the folder where the
      patch file should be applied.
    </para>
  </sect2>
</sect1>
