| Value | Meaning |
|---|---|
| D2D1_CHANGE_TYPE_NONE0 | <summary> Nothing has changed. </summary> |
| D2D1_CHANGE_TYPE_PROPERTIES1 | <summary> The effect's properties have changed. </summary> |
| D2D1_CHANGE_TYPE_CONTEXT2 | <summary> The internal context has changed and should be inspected. </summary> |
| D2D1_CHANGE_TYPE_GRAPH3 | <summary> A new graph has been set due to a change in the input count. </summary> |