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An application sends an EM_LINEFROMCHAR message to retrieve the index of the line that contains the specified character index in a multiline edit control. A character index is the number of characters from the beginning of the edit control.


wParam = (WPARAM) ich;  // character index 

lParam = 0;             // not used; must be zero 



Value of wParam. Specifies the character index of the character contained in the line whose number is to be retrieved. If the ich parameter is -1, either the line number of the current line (the line containing the caret) is retrieved or, if there is a selection, the line number of the line containing the beginning of the selection is retrieved.

Return Values

The return value is the zero-based line number of the line containing the character index specified by ich.


In a rich edit control, if the character index is greater than 64K, use the message EM_EXLINEFROMCHAR.

See Also


file: /Techref/os/win/api/win32/mess/src/msg05_18.htm, 1KB, , updated: 2000/4/7 12:19, local time: 2022/8/17 22:09,

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