hiGetTextCharAtLoc

hiGetTextCharAtLoc(
w_windowId
x_location 
) 
=> c_text / nil

Returns the character of the specified character index location for a window.

w_windowId	Specifies the window ID.
x_location	Character index location. If not specified, the current cursor index location is the default`.`

c_text	The character at the specified location.
`nil`	w_windowId is invalid or the specified location is out of range. A warning is also issued.