EM_FILELINEFROMCHAR message

Gets the index of the line that contains the specified character index in a multiline edit control, independently of how lines are displayed on the screen. A character index is the zero-based index of the character from the beginning of the edit control.

Parameters

wParam

The character index of the character contained in the line whose number is to be retrieved. If this parameter is -1, EM_FILELINEFROMCHAR retrieves either the line number of the current line (the line containing the caret) or, if there is a selection, the line number of the line containing the beginning of the selection.

lParam

This parameter is not used.

Return value

The return value is the zero-based line number of the line containing the character index specified by wParam, independently of how lines are displayed on the screen.

Requirements

Requirement Value
Minimum supported client
Windows 10, 1809 [desktop apps only]
Minimum supported server
Windows Server 2019 [desktop apps only]
Header
CommCtrl.h

See also

Reference

EM_FILELINEINDEX