HE_CHAROFFSET
Converts the
logical character position of a character in a control into a byte offset to
the character. Submessage of WM_PENCTL.
Parameters
wParam
HE_CHAROFFSET.
lParam
The low-order
word contains the logical character position. The high-order word is reserved
and must be 0.
Return Value
If the
supplied logical character position is less than the total number of logical
characters in the control, the low-order word of the return value contains the
requested byte offset of the position and the high-order word is 0. Otherwise,
the low-order word contains the length of the text in bytes and the high word
contains 0xFFFF.
Comments
This
submessage is for bedit controls only. Both the logical character position and
the byte offset are zero-based.
See Also