An application sends a CB_DIR message to add a list of filenames to the list box of a combo box.
CB_DIR wParam = (WPARAM) (UINT) uAttrs; // file attributes lParam = (LPARAM) (LPCTSTR) lpszFileSpec; // address of filename
Value |
Meaning |
DDL_ARCHIVE |
Includes archived files. |
DDL_DIRECTORY |
Includes subdirectories. Subdirectory names are enclosed in square brackets ([ ]). |
DDL_DRIVES |
Includes drives. Drives are listed in the form [-x-], where x is the drive letter. |
DDL_EXCLUSIVE |
Includes only files with the specified attributes. By default, read-write files are listed even if DDL_READWRITE is not specified. |
DDL_HIDDEN |
Includes hidden files. |
DDL_READONLY |
Includes read-only files. |
DDL_READWRITE |
Includes read-write files with no additional attributes. |
DDL_SYSTEM |
Includes system files. |
The return value is the zero-based index of the last filename added to the list. If an error occurs, the return value is CB_ERR. If insufficient space is available to store the new strings, it is CB_ERRSPACE.
CB_ADDSTRING, CB_INSERTSTRING, DlgDirList, DlgDirListComboBox