-- var for checking if bone check has been done before:
lastRenderChecked = false 

-- your script: 
-- Create a rollout
rollout roll_SB_Tools "SB Tools V1.0"
(
-- UI STUFF
group "Hide / Unhide (Bones And Helpers)"
(
button btn_SBHide "..:: HIDE ::.." width:85 height:24 align:#left tooltip:"Hide bones and helpers" across:2
button btn_SBUnhide "..:: UNHIDE ::.." width:85 height:24 align:#right tooltip:"UN-Hide bones and helpers"
)
group "Render"
(
button btn_render "..::RENDER::.." width:85 height:24 align:#left tooltip:"Press to start rendering"
)

HyperLink hl_homepage "..:: MY SCRIPTS ::.." address:"http://www.scriptspot.com/users/script-butler/" color:(color 255 255 255) hovercolor:(color 111 111 111) visitedcolor:(color 255 255 255) height:22 align:#center
-------------------------------------------------------------------------------------------------------------------------------------------------------
-- GROUP "Hide / Unhide (bones and helpers)"
-------------------------------------------------------------------------------------------------------------------------------------------------------
on btn_SBHide pressed do
(
hideByCategory.bones = true
hideByCategory.helpers = true
)

on btn_SBUnhide pressed do
(
hideByCategory.bones = false
hideByCategory.helpers = false
)
-------------------------------------------------------------------------------------------------------------------------------------------------------
-- GROUP "Render"
-------------------------------------------------------------------------------------------------------------------------------------------------------
on btn_render pressed do -- I'M UNSURE ON SCRIPTING COMMANDS TO MAKE THE RENDER HAPPEN
(
	lastRenderChecked = true -- disabling the check request window
	destroyDialog roll_SB_Tools -- closing current dialog
	max quick render -- starting the rendering
	lastRenderChecked = false -- enabling the check request window 
)
-------------------------------------------------------------------------------------------------------------------------------------------------------

) -- End of script

--Create the dialog and stuff -- disbaled dialog here:
-- createDialog roll_SB_Tools width:200 height:150








dialogMonitorOps.unRegisterNotification id:#renderConfirm
 
 fn renderConfirmationDialog = (
	
 	local hwnd = dialogMonitorOps.getWindowHandle()
	-- check if rendering is on progress and if bones has been checked before:
 	if (uiAccessor.getWindowText hwnd == "Rendering") and (lastRenderChecked == false) do (
 		if (querybox "Check Bones before Rendering?") do ( 
			-- cancel current rendering:
			uiAccessor.pressButtonByName hwnd "Cancel"
			-- creating dialog with bones
			createDialog roll_SB_Tools width:200 height:150
		)
	) 
 	true
 )
 
 dialogMonitorOps.enabled = true
 dialogMonitorOps.interactive = false
 dialogMonitorOps.registerNotification renderConfirmationDialog id:#renderConfirm