QNodeId Class | Qt 3D 6.4.3

- Qt 6.4
- Qt 3D
- C++ Classes
- Qt3DCore
- QNodeId
- Qt 6.4.3 Reference Documentation

# QNodeId Class

class Qt3DCore::QNodeId

Uniquely identifies a QNode. More...

Header: | #include <Qt3DCore/QNodeId>
CMake: | find_package(Qt6 REQUIRED COMPONENTS 3dcore) target_link_libraries(mytarget PRIVATE Qt6::3dcore)
qmake: | QT += 3dcore

- List of all members, including inherited members

## Public Functions

int | id() const
bool | isNull() const
bool | operator bool() const
bool | operator!=(QNodeId other) const
bool | operator<(QNodeId other) const
bool | operator==(QNodeId other) const
bool | operator>(QNodeId other) const

## Related Non-Members

int | qHash(QNodeId id, int seed = 0)

## Detailed Description

## Member Function Documentation

### int QNodeId::id() const

Returns

### bool QNodeId::isNull() const

Returns

### bool QNodeId::operator bool() const

Returns

### bool QNodeId::operator!=(QNodeId other) const

Returns `true` if `this` != other.

### bool QNodeId::operator<(QNodeId other) const

Returns `true` if `this` < other.

### bool QNodeId::operator==(QNodeId other) const

Returns `true` if `this` == other.

### bool QNodeId::operator>(QNodeId other) const

Returns `true` if `this` > other.

## Related Non-Members

### int qHash(QNodeId id, int seed = 0)

Returns hash of node with id and optional seed.