| nameID | プロパティー名 ID。Shader.PropertyToID を使って取得します。 |
| name | プロパティー名。例えば、"_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.