REVO7000ClearMessagesBoxHistory1 Pon openStack set the destroyMode of stack "ClearMessagesBoxHistory" to true copy btn "BtnClear" of this stack to stack "revMenuBar" set the topleft of btn "BtnClear" of stack "revmenuBar" to 620,4 close stack "ClearMessagesBoxHistory" end openStack v=   cREVLoadInfo loadstartupinMenutrue cREVGeneral breakpointstates breakpointsbreakpointconditionsscripteditorselection256 scalefactor?scripteditorvscroll @v:BtnClearepon mouseUp answer question "Clear Message Box History" with "No" and "Yes" if it is "No" then exit to top else set the IDESingleLineMessageHistory of stack "revpreferences" to empty end if end mouseUp 5;CEmpty Message Box History MSB Clear  cREVGeneral scripteditorvscrollscripteditorselection10 CopyEp on mouseUp pMouseButton set the destroyMode of stack "ClearMessagesBoxHistory" to true copy btn "BtnClear" of this stack to stack "revMenuBar" set the topleft of btn "BtnClear" of stack "revmenuBar" to 620,4 close stack "ClearMessagesBoxHistory" end mouseUp /R  cREVGeneral scripteditorvscrollscripteditorselection265 revOnline | RunRev