local onekeymode = true

				RunBinding("SCREENSHOT");
				return
			end

			-- change behavior to bind only one key for one button
			if #self.button.bindings > 0 and onekeymode then
				for i = 1, #self.button.bindings do
					SetBinding(self.button.bindings[i])
				end
				self:Update(self.button, self.spellmacro)
				if self.spellmacro~="MACRO" then GameTooltip:Hide() end
			end

			if key == "ESCAPE" or key == "RightButton" then
				for i = 1, #self.button.bindings do

[08:07:14] Interface\AddOns\ncHoverBind\ncHoverBind.lua:185: attempt to get length of field 'bindings' (a nil value)
[C]: ?
Interface\AddOns\ncHoverBind\ncHoverBind.lua:185: in function `Listener'
Interface\AddOns\ncHoverBind\ncHoverBind.lua:37: in function <Interface\AddOns\ncHoverBind\ncHoverBind.lua:37>

					elseif self.button.action < 49 and self.button.action > 36 then
						self.button.bindstring = "MULTIACTIONBAR4BUTTON"..modact
					elseif self.button.action < 37 and self.button.action > 24 then
						self.button.bindstring = "MULTIACTIONBAR3BUTTON"..modact
					end
				end

				GameTooltip:AddLine("Trigger")
				GameTooltip:Show()
				-- fix can't bind anykey when a macro isn't available with #showtooltip
				-- such as "#showtooltip /use Conjured Mana Strudel", we couldn't bind any key to it when we haven't Conjured Mana Strudel
				bind.button.bindings = {GetBindingKey(bind.button.bindstring)}

				GameTooltip:SetScript("OnHide", function(self)
					self:SetOwner(bind, "ANCHOR_NONE")
					self:SetPoint("BOTTOM", bind, "TOP", 0, 1)
					self:AddLine(bind.button.name, 1, 1, 1)
				--	move the following line to front, comment it or delete it.
				--	bind.button.bindings = {GetBindingKey(bind.button.bindstring)}

self.button.id = SpellBook_GetSpellBookSlot(self.button)
self.button.name = GetSpellBookItemName(self.button.id, SpellBookFrame.bookType)

bind:SetScript("OnKeyUp", function(self, key) self:Listener(key) end)
bind:SetScript("OnMouseUp", function(self, key) self:Listener(key) end)

-- chaged the following two Script from OnKeyUp to OnKeyDown to fix can't bind a combine key such as SHFT+T, ALT+SHIFT+Q
bind:SetScript("OnKeyDown", function(self, key) self:Listener(key) end)
bind:SetScript("OnMouseDown", function(self, key) self:Listener(key) end)

-- fix can't bind anykey when a macro isn't available
-- must comment the line in OnHide function
-- such as you are Fury Warrior and you have a macro
-- #showtooltip /cast BladeStorm
-- you can't bind any key to this button because OnHide is not called forever
bind.button.bindings = {GetBindingKey(bind.button.bindstring)}
GameTooltip:SetScript("OnHide", function(self)
self:SetOwner(bind, "ANCHOR_NONE")

		function bind:Listener(key)
			-- fix bind the SCREENSHOT key, now press SCREENSHOT key will take a screen shot
			-- GetBindingFromClick
			if GetBindingByKey(key) == "SCREENSHOT" then
				RunBinding("SCREENSHOT");
				return
			end

			-- change behavior to bind only one key for one button
			if #self.button.bindings > 0 then
				for i = 1, #self.button.bindings do
					SetBinding(self.button.bindings[i])
				end
				self:Update(self.button, self.spellmacro)
				if self.spellmacro~="MACRO" then GameTooltip:Hide() end
			end

	if not bind.enabled then
		bind:Activate()
		StaticPopup_Show("KEYBIND_MODE")
		-- fix issue that enter /hb it doesn't display bind tooltip when mouse is over action button
		local stance = ShapeshiftButton1:GetScript("OnClick")
		local pet = PetActionButton1:GetScript("OnClick")
		local button = SecureActionButton_OnClick
		local focus = GetMouseFocus()
		if focus.IsProtected and focus.GetObjectType and focus.GetScript and focus:GetObjectType()=="CheckButton" and focus:IsProtected() then
			local script = focus:GetScript("OnClick")
			if script==button then
				bind:Update(focus)
			elseif script==stance then
				bind:Update(focus, "STANCE")
			elseif script==pet then
				bind:Update(focus, "PET")
			end
		end
	end

-- or key == "MiddleButton"

if key == "MiddleButton" then key = "BUTTON3" end