How to add these two options to any other NPC ?!!

[devdash]

thanks in advance.

[#HB]

This is the function that handles CIF_NPCTalk's textbox GUI, 0x006FCD60.

You can check it out, you'll see some cool stuff, like the color of the textbox depending on state (focused, unfocused), vftable entry class which maybe contains a ptr to button click event n stuff.