A GR_UPDATE_TYPE enumeration type identifies the reason for a window receiving an update event. When a window receives a GR_EVENT_TYPE_UPDATE or a GR_EVENT_TYPE_CHILD_UPDATE event the GR_EVENT_UPDATE structure contains a field that specifies the update type.
The following table shows all of the available enumeration values that can be assigned to a GR_UPDATE_TYPE variable.
| Flag | Description |
|---|---|
| GR_UPDATE_MAP | Indicates that the window has been mapped. |
| GR_UPDATE_UNMAP | Indicates that the window has been unmapped. |
| GR_UPDATE_MOVE | Indicates that the window has been moved. |
| GR_UPDATE_SIZE | Indicates that the window has been resized. |
| GR_UPDATE_UNMAPTEMP | Indicates that the window has been temporarily unmapped. A window is temporarily unmapped while it is moved, resized or reparented. |
| GR_UPDATE_ACTIVATE | Indicates that the window has been activated. |
| GR_UPDATE_DESTROY | Indicates that the window has been destroyed. |