an="2" style="background:LightYellow;">  NPPM_HIDETABBAR
</td>
<td width="10%" style="background:khaki"> wParam:
</td>
<td width="30%" style="background:SeaShell;"> 0
</td></tr>
<tr>
<td width="10%" style="background:khaki"> lParam:
</td>
<td>  [in] BOOL hideOrNot
</td></tr>
<tr>
<td colspan="3" style="background:#E8F8E8;">  If hideOrNot == TRUE, then this message will hide the tabbar, otherwise it makes tabbar shown. The returned value is the previous status before this operation.
</td></tr></tbody></table