Hardcoding chat

[Nonus]

Does anyone have information of how i can force an addon to:
Create a new tab called "Trade" at an predifined position
and edit the options of what messages i want it to show(hide all messages except for Trade channel and System messages)
It is essential that all elements of the chat gets hardcoded(position, editbox etc)

I have tried to search for answers but most addons don't include this feature and one that does this is ElvUI which is an entire suite with custom functions.

[Seerah]

This should get you started: http://wowprogramming.com/docs/api_categories#chat

Also, look at the API and implementation itself here:
http://wowprogramming.com/utils/xmlbrowser

[Nonus]

		FCF_ResetChatWindows()
			FCF_SetLocked(ChatFrame1, 1)
			FCF_DockFrame(ChatFrame2)
			FCF_SetLocked(ChatFrame2, 1)

			FCF_OpenNewWindow(LOOT)
			FCF_UnDockFrame(ChatFrame3)
			FCF_SetLocked(ChatFrame3, 1)
			ChatFrame3:Show()			

		for i = 1, NUM_CHAT_WINDOWS do
			

			_G["ChatFrame"..i]:SetMovable(true)
			_G["ChatFrame"..i]:SetUserPlaced(true)
			_G["ChatFrame"..i]:SetHeight(135)
			_G["ChatFrame"..i]:SetWidth(414)
			_G["ChatFrame"..i]:ClearAllPoints()
			-- move general bottom left
			if i == 3 then
				_G["ChatFrame"..i]:SetPoint("BOTTOM", 462, 47)
			else
				_G["ChatFrame"..i]:SetPoint("BOTTOM", -462, 47)
			end
			FCF_SavePositionAndDimensions(_G["ChatFrame"..i])
			FCF_SetLocked(_G["ChatFrame"..i], 1)

That is a code snippet of my code, but i have one more problem, when this function runs it positions the general chat and combatlog correctly but the "Loot"(ChatFrame3) stays at the position as if it was docked and only when i manually move the frame; it goes to the correct position when i release the mousebutton.
What do i have to do to force it to be at the given location without interaction?