Name 

Description 

 

TBaseDragControlObject 

TBaseDragControlObject object provides support for drag-and-drop or drag-and-dock operations. 

 

TControl 

TControl is the base class for all components that are visible at runtime. 

 

TControlAction 

This is class Controls.TControlAction. 

 

TControlActionLink 

TControlActionLink links action objects to clients that descend from TControl. 

 

TControlCanvas 

TControlCanvas is a specialized canvas object associated with a control. 

 

TCustomControl 

Base class for controls that wrap Windows screen objects but perform their own rendering. 

 

TCustomControlAction 

This is class Controls.TCustomControlAction. 

 

TCustomListControl 

TCustomListControl is the base class for controls that display a list of items. 

 

TCustomMultiSelectListControl 

TCustomMultiSelectListControl is the base class for list controls that allow multiple items to be selected. 

 

TCustomPanningWindow 

This is an abstract base class that is used as an ancestor for users to implement a custom panning window. 

 

TCustomTransparentControl 

Base class for transparent controls. 

 

TDockTree 

TDockTree is the default docking manager for TWinControl. 

 

TDockZone 

This is class Controls.TDockZone. 

 

TDragControlObject 

TDragControlObject object provides for normal drag and drop operations. 

 

TDragControlObjectEx 

TDragControlObjectEx object provides for normal drag and drop operations. 

 

TDragDockObject 

Contains drag-and-dock information for a control. 

 

TDragDockObjectEx 

Contains drag-and-dock information for a control. 

 

TDragImageList 

TDragImageList represents a set of images that appear during drag operations. 

 

TDragObject 

TDragObject is a base class used for managing drag operations. 

 

TDragObjectEx 

TDragObjectEx is a base class used for managing drag operations. 

 

TGraphicControl 

TGraphicControl is the base class for all lightweight controls. 

 

THintWindow 

THintWindow implements the small pop-up window that appears over a control at runtime when the control has its ShowHint property set to true. 

 

TImageList 

TImageList represents a collection of same-sized images, each of which can be referred to by its index. 

 

TMargins 

Contains margins for the control. 

 

TMouse 

TMouse surfaces information about the mouse and specifies how the application responds to mouse messages. 

 

TPadding 

Contains the padding for the control. 

 

TSizeConstraints 

Contains size constraints for a control. 

 

TWinControl 

TWinControl is the base class for all controls that are wrappers for Microsoft Windows screen objects. 

 

TWinControlActionLink 

TWinControlActionLink is an action link used by descendants of TWinControl.