| anonymous enum | 
| Enumerator | |
|---|---|
| TP_MSG_PGROUP_PREREMOVE | Sent before a PGroup is removed in the Thinking Particles settings.   | 
| TP_MSG_PGROUP_TREECHANGED | Sent when the PGroup structure is changed, for example by renaming, adding or reordering the groups.   | 
| TP_MSG_DCHANNEL_PREREMOVE | Sent before a data channel is removed.   | 
| TP_MSG_DCHANNEL_CHANGED | Sent when the data channel list is changed.   | 
| TP_MSG_GET_PSHAPEINTERFACE | Sent to get the PShape interface.   | 
| TP_MSG_GET_COLLISIONINTERFACE | Sent to get the collision interface.   | 
| TP_MSG_OBJECT_GETPARTICLES | Can be sent by anyone to the ParticleGeometry object to get its particles. Used for example by the PyroCluster material.  |