set_task_data
Description:
Associate data with the current serialization operation.
Parameters:
| this |
a `GdkContentSerializer` |
| data |
data to associate with this operation |
| notify |
destroy notify for |
Associate data with the current serialization operation.
| this |
a `GdkContentSerializer` |
| data |
data to associate with this operation |
| notify |
destroy notify for |