<a name="l1"></a><span class=cF0>There is one </span><a href="/Wb/Kernel/KernelA.HH#l1367"><span class=cF4>CDoc</span></a><span class=cF0> for the task's border: </span><span class=cF2>Fs->border_doc</span><span class=cF0>. There is a pair for
<a name="l2"></a>the task's client area: </span><span class=cF2>Fs->put_doc</span><span class=cF0> and </span><span class=cF2>Fs->display_doc</span><span class=cF0>. You can, optionally,
<a name="l3"></a>do double buffering, otherwise </span><span class=cF2>Fs->put_doc</span><span class=cF0> is the same as </span><span class=cF2>Fs->display_doc</span><span class=cF0>. See </span><span class=cF4>