Optional
aInstancePtr: objectA run time mechanism for interface discovery.
NS_OK if the interface is supported by the associated instance, NS_NOINTERFACE if it is not.
aInstancePtr must not be null.
[in] A requested interface IID
[out] A pointer to an interface pointer to receive the result.
Initialize the application chooser picker widget. The application chooser is not valid until this method is called.
nsIDOMWindow parent. This dialog will be dependent on this parent. parent must be non-null.
The title for the file widget
Open application chooser dialog.
content type of file to open
callback fuction to run when dialog is closed
Generated using TypeDoc
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.