Callbacks

Defining Your Own Action Functions

Defines actions to be performed repeatedly in response to a mouse-down event in a control part.

Defining Your Own Control Definition Function

ControlDefProcPtr If you wish to define new, nonstandard controls for your application, you must write a control definition function and store it in a resource file as a resource of type 'CDEF'.

Defining Your Own Key Filter Function

ControlKeyFilterProcPtr

The key filter function allows for the interception and possible changing of keystrokes destined for a control.

Defining Your Own Text Validation Function

ControlEditTextValidationProcPtr

Ensures that the content of an editable text control is valid.

Defining Your Own User Pane Functions

ControlUserPaneActivateProcPtr	Handles activate and deactivate event processing.
ControlUserPaneBackgroundProcPtr	Sets the background color or pattern for user panes that support embedding.
ControlUserPaneDrawProcPtr	Draws the content of your user pane control in the rectangle of user pane control.
ControlUserPaneFocusProcPtr	Handles keyboard focus.
ControlUserPaneHitTestProcPtr	Returns the part code of the control that the point was in when the mouse-down event occurred.
ControlUserPaneIdleProcPtr	Performs idle processing.
ControlUserPaneKeyDownProcPtr	Handles keyboard event processing.
ControlUserPaneTrackingProcPtr	Tracks a control while the user holds down the mouse button.

Miscellaneous

ControlCNTLToCollectionProcPtr
ControlColorProcPtr
ControlNotificationProcPtr
DataBrowserAcceptDragProcPtr
DataBrowserAddDragItemProcPtr
DataBrowserCompareProcPtr
DataBrowserDrawItemProcPtr
DataBrowserEditItemProcPtr
DataBrowserGetContextualMenuProcPtr
DataBrowserGetHelpContentProcPtr
DataBrowserGetSetItemDataProcPtr
DataBrowserHitTestProcPtr
DataBrowserItemAcceptDragProcPtr
DataBrowserItemDragRgnProcPtr
DataBrowserItemNotificationProcPtr
DataBrowserItemProcPtr
DataBrowserItemReceiveDragProcPtr
DataBrowserPostProcessDragProcPtr
DataBrowserReceiveDragProcPtr
DataBrowserSelectContextualMenuProcPtr
DataBrowserTrackingProcPtr
PreFilterEventProc