Description:
This enumeration specifies callback types for IG_ARTX_register_callback.
Values:
| IG_ARTX_GUI_ACTION_CB_PRECREATEMARK_NOTIFY | Corresponds to PreCreateNotify callback. |
| IG_ARTX_GUI_ACTION_CB_CREATEMARK_NOTIFY | Corresponds to CreateNotify callback. |
| IG_ARTX_GUI_ACTION_CB_MODIFYMARK_NOTIFY | Corresponds to ModifyNotify callback. |
| IG_ARTX_GUI_ACTION_CB_DELETEMARK_NOTIFY | Corresponds to DeleteNotify callback. |