| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| type(c_ptr), | value | :: | viewer |
viewer handle (vkf_viewer_create) |
||
| integer(kind=c_int), | value | :: | enabled |
1 on, 0 off |
Turn the viewer's default light on or off. Returns 0, or -1 on failure.