https://learn.microsoft.com/en-us/dotnet/api/microsoft.toolkit.mvvm.messaging.imessenger.send?view=win-comm-toolkit-dotnet-7.1
IMessenger.SendTMessage,TToken(TMessage, TToken) Method (Microsoft.Toolkit.Mvvm.Messaging) |...
Sends a message of the specified type to all registered recipients.
microsoft toolkitmethodmvvmmessaging
https://root.cern.ch/doc/v620/TMessage_8h_source.html
ROOT: net/net/inc/TMessage.h Source File
rootinchsourcefile
https://root.cern.ch/doc/v620/TMessage_8cxx_source.html
ROOT: net/net/src/TMessage.cxx Source File
rootsrccxxsourcefile