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C/C++ API Documentation | 2025.2

# MonItem - base class for performance counters

The MonItem class contains the infrastructure for mapping counters between variables in code, their registered MonItem forms, and the memory representation that will be written to, and read from, the memory-mapped file.

Enums | Values
--- | ---
`MonItemFlags` `MonItem` modifiers (bit mapped) | `MI_HIDDEN (1)` - Hidden counter: used for internal only use, not a performance counter. `MI_CUMULATIVE(2)` - Cumulative counter: values will always increase.
`MonItemTypes` `MonItem` subclass type | `MIT_NONE (1)` - A plain `MonItem` `MIT_INT (2)` - A `MonInteger` `MIT_INTMAX (3)` - A `MonIntMax`

Constructors
`MonItem( const char *name, int flags = 0 )` Constructs a new `MonItem` with the provided name and flags (defaulting to none) or type `MIT_NONE (1)` Should only be called by a constructor in a subclass
`MonItem( const MonItem & )` Default copy constructor

Static Method
`MonItem *Find(const char *name)` Finds a `MonItem` in the registry by name or returns `NULL` if no matches are found

Operator
`MonItem &operator =( const MonItem & )` Copy a `MonItem`

Methods
`StrRef Name() const` Returns the name of the `MonItem` object
`int Flags() const` Returns the `MonItemFlags` of the `MonItem` object
`bool Active() const` Returns `true` if the `MonItem` is mapped to shared memory

Virtual Methods
`int DataSize()` const The number of bytes used to store the data of the `MonItem` type
`int Alignment() const` The number of bytes to use for alignment padding.
`int ItemId() const` The MonItemTypes of the `MonItem` type
`void Display( StrBuf * ) const` Renders the data of the `MonItem` object as a string

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