| Parameter | Reference | Type | Length | Default | Optional | Text |
|---|---|---|---|---|---|---|
| HANDLE | CNTL_HANDLE | 0 | Handle for Tree Control | |||
| NO_FLUSH | C | C | 0 | X |
| Parameter | Reference | Type | Length | Text |
|---|---|---|---|---|
| HEADER_NAME | TREEV_HDR-NAME | C | 72 | Header Name |
| Exception | Text |
|---|---|
| CNTL_SYSTEM_ERROR | |
| FAILED | General Error |
| INSTANCE_NOT_FOUND | |
| TREE_HAS_NO_HEADERS | Tree Control Has No Header |