This message copies a line from the edit control.
| Parameter | Description |
| wParam | Specifies the line number of the line in the control, where the line number of the first line is zero. | |
| lParam | Points to the buffer where the line will be stored. The first word of the buffer specifies the maximum number of bytes to be copied to the buffer. The copied line is not null-terminated. |
The return value is the number of bytes actually copied. This message is not processed by single-line edit controls.