In an existing SSRS 2012 application, there is an up or down area that appears sometimes in the paramneter area of the SSRS report. When I hover over the up or down arrow, the tooltip calls this the 'show or hide parameter area'. I have the two parameters set to be visible that can be accessed by the user in this ssrs report. I do not know how to control this arrow.
The best link I can find from a google search is: http://msdn.microsoft.com/en-us/library/ms152835.aspx. However I do not know what part of link would apply to the show or hide parameter area arrow.
Thus can you tell me and/or point me to a reference that tells me how to control when this arrow appears when the ssrs report is running? Can you tell me how to control this show or hide parameter area arrow in bids 2008 r2 or bids 2012 and in ssrs 2012?