his will reset all default KGuiItem of all button.
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</p><dl compact><dt><b>Parameters:</b></dt><dd>
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<tr><td></td><td valign="top"><em>buttonMask</em>&nbsp;</td><td> Specifies what buttons will be made.
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</p></div></div><a class="anchor" name="setButtonsOrientation"></a>
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<td class="memname"> setButtonsOrientation</td>
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