TNamed

Header Files

The following may be needed if not using CINT Shortcuts #include "TNamed.h"

Description

A TNamed object is simply a TObject that has a name and a title. Giving an object a name provides a simple retrieval mechanism, both in memory and on file:-

To locate an object named "MyObject" belonging to class MyClass, the global ROOT object gROOT can be asked to find it:-
```
MyClass *MyObject = (MyClass*) gROOT->FindObject("MyObject");
```
If a TFile object is sent its Write message, it will write out all objects currently in memory using their names as their keys. If, in a subsequent job, the same file is opened using the TFile pointer MyFile, then the object can be read back in by:-
```
MyClass *MyObject = (MyClass*) MyFile->Get("MyObject");
```

Example Use in MINFast

TNamed objects are not used directly by MINFast although it uses many objects that are based on (i.e. inherit from) TNamed. In particular, the Example Macros have a number of examples that exploit the CINT Shortcut that locates undeclared variables by looking for an object with the same name. For example the master MINFast object gMINFast (which inherits directly from TNamed) can be used without declaring it.

For more information see:-

Reading ROOT Class Info.

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If you have any comments about this page please send them to Nick West