The following functions inform the client DLL of changes made to an object in the client document.
| Function | Description |
| OleSetBounds | Informs the client DLL of the new object rectangle. |
| OleSetData | Changes the object's data for a specified format. |
| OleSetHostNames | Provides the client DLL with the object and document names. |
| OleSetLinkUpdateOptions | Changes a linked object between automatic and manual. |
| OleSetTargetDevice | Provides the client DLL with information about the output device. |
These functions are discussed in the following sections.