The LVM_INSERTCOLUMN message inserts a new column in a list view control. You can send this message explicitly or by using the ListView_InsertColumn macro.
LVM_INSERTCOLUMN
wParam = (WPARAM) (int) iCol;
lParam = (LPARAM) (const LV_COLUMN FAR *) pcol;
Parameters
iCol
Index of the new column.
pcol
Pointer to an LV_COLUMN structure that contains the attributes of the new column.
Return Values
Returns the index of the new column if successful or -1 otherwise.
See Also