Sets the character value of the AnsiChar at index i.
Notes: This preserves the colouring and styling of the AnsiChar, as we're simply changing its value.
The character to use.
The index of the ansi character to change.
See Implementation
Sets the character value of the AnsiChar at index i.
Notes: This preserves the colouring and styling of the AnsiChar, as we're simply changing its value.