<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">Hi all,<BR>Some strange behaviors occurs especially on QVTKWidget: when I show a QVTKWidget with a 3D volume, for example, the widget are shown simply<BR>are transparent, showing the contents of the windows that are behind, for example a WordPad window until it is completely rendered.<BR>How can I avoid this strange behaviors ? (Ideally a black background instead of showing the contents of the windows that are behind)<BR>Thank you.<BR><BR></td></tr></table><br>