EM_FILELINEINDEX message (CommCtrl.h)
Gets the character index of the first character of a specified line 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 zero-based line number. A value of -1 specifies the current line number (the line that contains the caret).
-
lParam
-
This parameter is not used.
Return value
The return value is the character index of the line specified in the wParam parameter, independently of how lines are displayed on the screen, or it is -1 if the specified line number is greater than the number of lines in the edit control.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows 10, 1809 [desktop apps only] |
| Minimum supported server |
Windows Server 2019 [desktop apps only] |
| Header |
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