This function finds the character at the specified position expressed in
pixels. If the return code is not \texttt{wxTE\_HT\_UNKNOWN} the row and column
of the character closest to this position are returned in the \arg{col} and
This function finds the character at the specified position expressed in
pixels. If the return code is not \texttt{wxTE\_HT\_UNKNOWN} the row and column
of the character closest to this position are returned in the \arg{col} and