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Public Member Functions | Static Public Member Functions

# MObjectArray Class Reference
OpenMaya - API module for common classes

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## Detailed Description

Array of MObjects data type.

This class implements an array of MObjects. Common convenience functions are available, and the implementation is compatible with the internal Maya implementation so that it can be passed efficiently between plugins and internal maya data structures.

Examples:

  animExportUtil.cpp, apiMeshData.cpp, apiMeshData.h, apiMeshIterator.cpp, apiMeshIterator.h, apiMeshShape.cpp, apiMeshShape.h, apiMeshShapeUI.cpp, apiSimpleShape.cpp, apiSimpleShape.h, apiSimpleShapeIterator.cpp, apiSimpleShapeIterator.h, apiSimpleShapeUI.cpp, cgfxShaderCmd.cpp, cgfxShaderNode.cpp, cgfxShaderNode.h, cleanPerFaceAssignmentCmd.cpp, clusterWeightFunction.cpp, createClipCmd.cpp, cvColorShader.cpp, D3DGeometryItem.cpp, D3DViewportRenderer.cpp, findFileTexturesCmd.cpp, findTexturesPerPolygonCmd.cpp, geometrySurfaceConstraint.cpp, geometrySurfaceConstraint.h, getAttrAffectsCmd.cpp, hairCollisionSolver.cpp, hwManagedTextureShader.cpp, maTranslator.cpp, meshMapUtils.cpp, meshMapUtils.h, meshRemapCmd.cpp, meshRemapTool.h, meshReorderCmd.cpp, meshReorderTool.h, motionTraceCmd.cpp, narrowPolyViewer.h, objExport.cpp, OpenGLViewportRenderer.cpp, polyModifierCmd.cpp, polyWriter.h, and slopeShaderBehavior.cpp.

`#include <MObjectArray.h>`

List of all members.

## Public Member Functions
| MObjectArray ()
| Default constructor.
| MObjectArray (const MObjectArray &other)
| Copy Constructor.
| MObjectArray (unsigned int initialSize, const MObject &initialValue=MObject::kNullObj)
| Create a new array of MObjects of a specified size and initialize all the elements with the given initial value.
| ~MObjectArray ()
| Class Destructor.
MObjectArray & | operator= (const MObjectArray &)
| Assignment operator.
const MObject & | operator[] (unsigned int index) const
| Index operator.
MStatus | set (const MObject &element, unsigned int index)
| Sets the value of the indicated element to the indicated MObject value.
MStatus | setLength (unsigned int length)
| Set the length of the array.
unsigned int | length () const
| Returns the number of elements in the instance.
MStatus | remove (unsigned int index)
| Remove the array element at the given index.
MStatus | insert (const MObject &element, unsigned int index)
| Inserts a new value into the array at the given index.
MStatus | append (const MObject &element)
| Adds a new element to the end of the array.
MStatus | copy (const MObjectArray &source)
| Copy the contents of the source array to this array.
MStatus | clear ()
| Clear the contents of the array.
void | setSizeIncrement (unsigned int newIncrement)
| Set the size by which the array will be expanded whenever expansion is necessary.
unsigned int | sizeIncrement () const
| Return the size by which the array will be expanded whenever expansion is necessary.
| MObjectArray (const MObject src[], unsigned int count)
| NO SCRIPT SUPPORT.
MStatus | get (MObject array[]) const
| NO SCRIPT SUPPORT.
MObject & | operator[] (unsigned int index)
| NO SCRIPT SUPPORT.
## Static Public Member Functions
static const char * | className ()
| Returns the name of this class.

## Constructor & Destructor Documentation

MObjectArray | ( |  | ) |

Default constructor.

The instance is set to contain no elements.

MObjectArray | ( | const MObjectArray & | other | ) |

Copy Constructor.

Parameters:

  [in] | other | the array with which to initialize this instance

MObjectArray | ( | unsigned int | initialSize,
|  | const MObject & | initialValue = `MObject::kNullObj`
| ) |  |

Create a new array of MObjects of a specified size and initialize all the elements with the given initial value.

Parameters:

  [in] | initialSize | the initial size of the array
  [in] | initialValue | the initial value of each element

MObjectArray | ( | const MObject | src[],
|  | unsigned int | count
| ) |  |

NO SCRIPT SUPPORT.

Create a new array of MObjects and initialize it with the given MObjects elements.

Parameters:

  [in] | src | an array of MObjects
  [in] | count | the number of elements in the src array

## Member Function Documentation

MObjectArray & operator= | ( | const MObjectArray & | source | ) |

Assignment operator.

Copies the source MObjectArray into the destination.

Parameters:

  [in] | source | Source array to be copied.

Returns:
  The destination array.

const MObject & operator[] | ( | unsigned int | index | ) | const

Index operator.

Returns the value of the element at the given index. No range checking is done - valid indices are 0 to length()-1.

Parameters:

  [in] | index | the index of the desired element

Returns:
  A reference to the indicated element

MStatus set | ( | const MObject & | element,
|  | unsigned int | index
| ) |  |

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Sets the value of the indicated element to the indicated MObject value.

Parameters:

  [in] | element | the new value for the indicated element
  [in] | index | the index of the element that is to be set to the the new value

Returns:
  MS::kSuccess if the value was set successfully and MS::kFailure otherwise

MStatus setLength | ( | unsigned int | length | ) |

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Set the length of the array.

This will grow and shrink the array as desired. Elements that are grown have uninitialized values, while those which are shrunk will lose the data contained in the deleted elements (ie. it will release the memory).

Parameters:

  [in] | length | the new size of the array

unsigned int length | ( |  | ) | const

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Returns the number of elements in the instance.

Returns:
  The number of elements in the instance

Examples:
  animExportUtil.cpp, apiMeshShape.cpp, cgfxShaderCmd.cpp, cleanPerFaceAssignmentCmd.cpp, clusterWeightFunction.cpp, cvColorShader.cpp, D3DViewportRenderer.cpp, findFileTexturesCmd.cpp, findTexturesPerPolygonCmd.cpp, getAttrAffectsCmd.cpp, hwManagedTextureShader.cpp, meshMapUtils.cpp, motionTraceCmd.cpp, OpenGLViewportRenderer.cpp, and slopeShaderBehavior.cpp.

MStatus remove | ( | unsigned int | index | ) |

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Remove the array element at the given index.

All array elements following the removed element are shifted toward the first element.

Parameters:

  [in] | index | index of the element to be removed

Returns:
  MS::kSuccess if the remove was successful and MS::kFailure otherwise

MStatus insert | ( | const MObject & | element,
|  | unsigned int | index
| ) |  |

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Inserts a new value into the array at the given index.

The initial element at that index, and all following elements, are shifted towards the last. If the array cannot be expanded in size by 1 element, then the insert will fail and the existing array will remain unchanged.

Parameters:

  [in] | element | the new value to insert into the array
  [in] | index | the index of the element to set to the the new value

Returns:
  MS::kSuccess if the insert was successful and MS::kFailure otherwise

Examples:
  animExportUtil.cpp.

MStatus append | ( | const MObject & | element | ) |

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Adds a new element to the end of the array.

If the array cannot be expanded in size by 1 element, then the append will fail and the existing array will remain unchanged.

Parameters:

  [in] | element | the value for the new last element

Returns:
  MS::kSuccess if the append was successful and MS::kFailure otherwise

Examples:
  animExportUtil.cpp, clusterWeightFunction.cpp, createClipCmd.cpp, findFileTexturesCmd.cpp, geometrySurfaceConstraint.cpp, motionTraceCmd.cpp, polyModifierCmd.cpp, and slopeShaderBehavior.cpp.

MStatus copy | ( | const MObjectArray & | source | ) |

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Copy the contents of the source array to this array.

Parameters:

  [in] | source | array to copy from

Returns:
  MS::kSuccess if the copy was successful and MS::kFailure otherwise

MStatus clear | ( |  | ) |

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Clear the contents of the array.

After this operation the length method will return 0. This does not change the amount of memory allocated to the array, only the number of valid elements in it.

Returns:
  true MS::kSuccess the operation is successful and MS::kFailure otherwise

Examples:
  geometrySurfaceConstraint.cpp, and slopeShaderBehavior.cpp.

void setSizeIncrement | ( | unsigned int | newIncrement | ) |

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Set the size by which the array will be expanded whenever expansion is necessary.

Parameters:

  [in] | newIncrement | the new increment

unsigned int sizeIncrement | ( |  | ) | const

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Return the size by which the array will be expanded whenever expansion is necessary.

Returns:
  The size increment.

MStatus get | ( | MObject | array[] | ) | const

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NO SCRIPT SUPPORT.

Copy the elements of the array into the given array of MObjects.

No checking is done to ensure that the destination array of MObjects is large enough to hold all the elements of the instance.

Parameters:

  [out] | array | the array to populate

Returns:
  MS::kSuccess if the array argument is a non-zero pointer and MS::kFailure otherwise

MObject & operator[] | ( | unsigned int | index | ) |

NO SCRIPT SUPPORT.

Index operator allowing assignment to an element of the array.

Returns a reference to the element at the given index. No range checking is done - valid indices are 0 to length()-1.

Parameters:

  [in] | index | the index of the desired element

Returns:
  A reference to the indicated element

const char * className | ( |  | ) | `[static]`

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Returns the name of this class.

Returns:
  The name of this class.

MObjectArray MObjectArray MObjectArray MObjectArray MObjectArray MObjectArray MObjectArray MObjectArray MObjectArray MObjectArray
MObjectArray MObjectArray MObjectArray MObjectArray MObjectArray MObjectArray MObjectArray MObjectArray MObjectArray MObjectArray