IWMDMOperation Interface
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This optional, application-implemented IWMDMOperation interface allows the application to control how data is read from or written to the computer during a file transfer.
In addition to the methods inherited from IUnknown, the IWMDMOperation interface exposes the following methods.
| Method | Description |
| BeginRead | Indicates that a "read from device" action is beginning. |
| BeginWrite | Indicates that a "write to device" action is beginning. |
| End | Indicates that a read or write operation is finished. |
| GetObjectAttributes | Allows the application to specify attributes for an object being written to a device. |
| GetObjectName | Allows the application to specify the name of an object being written to the device. |
| GetObjectTotalSize | Retrieves the total size of an object, in bytes. |
| SetObjectAttributes | Assigns the content attributes. This method is currently not called by Windows Media Device Manager. |
| SetObjectName | Assigns a name to the content being read or written. This method is currently not called by Windows Media Device Manager. |
| SetObjectTotalSize | Assigns the total size of an object, in bytes. This method is currently not called by Windows Media Device Manager. |
| TransferObjectData | Transfers a block of data to or from the computer. |
See Also