OnDirtyChannel flags These flags are given as an argument to the callbacks.OnDirtyChannel() callback. CE_New module-attribute CE_New = 0 A channel was added. CE_Delete module-attribute CE_Delete = 1 A channel was removed. CE_Replace module-attribute CE_Replace = 2 A channel was replaced. CE_Rename module-attribute CE_Rename = 3 A channel was renamed. CE_Select module-attribute CE_Select = 4 The channel selection was changed.