Interface nsIFactoryType

A class factory allows the creation of nsISupports derived components without specifying a concrete base class.

Hierarchy

Methods

AddRef QueryInterface Release createInstance

Methods

AddRef

  • Increases the reference count for this interface. The associated instance will not be deleted unless the reference count is returned to zero.

    Returns

    The resulting reference count.

    Returns number

QueryInterface

  • Parameters

    • aIID: object
    • Optional aInstancePtr: object

    Returns any

  • A run time mechanism for interface discovery.

    Returns

    NS_OK if the interface is supported by the associated instance, NS_NOINTERFACE if it is not.

    aInstancePtr must not be null.

    Parameters

    • aIID: object

      [in] A requested interface IID

    • aInstancePtr: object

      [out] A pointer to an interface pointer to receive the result.

    Returns void

Release

  • Decreases the reference count for this interface. Generally, if the reference count returns to zero, the associated instance is deleted.

    Returns

    The resulting reference count.

    Returns number

createInstance

  • Creates an instance of a component.

    Throws

    NS_NOINTERFACE - Interface not accessible. NS_ERROR* - Method failure.

    Parameters

    • iid: object

      The IID of the interface being requested in the component which is being currently created.

    • result: object

      [out] Pointer to the newly created instance, if successful.

    Returns void

Settings

Member Visibility

Theme

Generated using TypeDoc