Effect of setting MaxMessagesPerTask is not clear

I wrote some small tests but I can not see any effect on the outcome.
?

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* ID: 1a5c9b65-3412-f6aa-e86d-6553bdccf126
* Version Independent ID: 80fd81fd-852b-323b-acc1-a540ca9139ed
* Content: [DataflowBlockOptions.MaxMessagesPerTask Property (System.Threading.Tasks.Dataflow)](https://docs.microsoft.com/en-us/dotnet/api/system.threading.tasks.dataflow.dataflowblockoptions.maxmessagespertask?view=netcore-2.2#System_Threading_Tasks_Dataflow_DataflowBlockOptions_MaxMessagesPerTask)
* Content Source: [xml/System.Threading.Tasks.Dataflow/DataflowBlockOptions.xml](https://github.com/dotnet/dotnet-api-docs/blob/master/xml/System.Threading.Tasks.Dataflow/DataflowBlockOptions.xml)
* Product: **dotnet-api**
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* Microsoft Alias: **dotnetcontent**