| nameID | Property name ID, use Shader.PropertyToID to get it. |
| name | Property name, e.g. "_SrcBlend". |
| value | The desired lock state. |
Sets the lock state of a property for this material.
If a property is locked by the material, any Material Variant inheriting from this Material will be unable to change the value of the property. Note that this method is Editor-only.
See Also: Material.GetPropertyLock, Material.IsPropertyLockedByAncestor.