• Locating an Application

• Opening Items

• Obtaining Information About an Item

• Getting and Setting Filename Extension Information

• Registering an Application

• Working With Role Handlers

• Functions No Longer Used

• LSCanRefAcceptItem

• LSCanURLAcceptURL

• LSCopyAllHandlersForURLScheme

• LSCopyAllRoleHandlersForContentType

• LSCopyApplicationForMIMEType

• LSCopyApplicationURLsForURL

• LSCopyDefaultHandlerForURLScheme

• LSCopyDefaultRoleHandlerForContentType

• LSCopyDisplayNameForRef

• LSCopyDisplayNameForURL

• LSCopyItemAttribute

• LSCopyItemAttributes

• LSCopyItemInfoForRef

• LSCopyItemInfoForURL

• LSCopyKindStringForMIMEType

• LSCopyKindStringForRef

• LSCopyKindStringForTypeInfo

• LSCopyKindStringForURL

• LSFindApplicationForInfo

• LSGetApplicationForInfo

• LSGetApplicationForItem

• LSGetApplicationForURL

• LSGetExtensionInfo

• LSGetHandlerOptionsForContentType

• LSOpenApplication

• LSOpenCFURLRef

• LSOpenFromRefSpec

• LSOpenFromURLSpec

• LSOpenFSRef

• LSOpenItemsWithRole

• LSOpenURLsWithRole

• LSRegisterFSRef

• LSRegisterURL

• LSSetDefaultHandlerForURLScheme

• LSSetDefaultRoleHandlerForContentType

• LSSetExtensionHiddenForRef

• LSSetExtensionHiddenForURL

• LSSetHandlerOptionsForContentType

• LSApplicationParameters

• LSLaunchFSRefSpec

• LSLaunchURLSpec

• LSItemInfoRecord

• LSKindID

• Roles Mask

• Launch Flags

• Requested-Information Flags

• Item Attribute Constants

• Item-Information Flags

• Acceptance Flags

• Handler Option Constants

• Invalid Extension Index

• Unknown Type or Creator

• Constants No Longer Used

• Deprecated in Mac OS X v10.3

• LSInit

• LSTerm