EM_LINEINDEX message (Winuser.h)
Gets the character index of the first character of a specified line in a multiline edit control. A character index is the zero-based index of the character from the beginning of the edit control. You can send this message to either an edit control or a rich 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, or it is -1 if the specified line number is greater than the number of lines in the edit control.
Remarks
Rich Edit: Supported in Microsoft Rich Edit 1.0 and later. For information about the compatibility of rich edit versions with the various system versions, see About Rich Edit Controls.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows Vista [desktop apps only] |
| Minimum supported server |
Windows Server 2003 [desktop apps only] |
| Header |
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