An application sends an EM_GETLINE message to copy a line of text from an edit control and place it in a specified buffer.
EM_GETLINE
wParam = (WPARAM) line; // line number to retrieve
lParam = (LPARAM) (LPCSTR) lpch; // address of buffer for line
Parameters
line
Value of wParam. Specifies the zero-based index of the line to retrieve from a multiline edit control. A value of zero specifies the topmost line. This parameter is ignored by a single-line edit control.
lpch
Value of lParam. Points to the buffer that receives a copy of the line. The first word of the buffer specifies the maximum number of characters that can be copied to the buffer.
Return Values
The return value is the number of characters copied. The return value is zero if the line number specified by the line parameter is greater than the number of lines in the edit control.
Remarks
The copied line does not contain a terminating null character.
See Also