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