RAD Studio VCL Reference
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Classes

The following table lists classes in this documentation.

 
Name 
Description 
 
TBaseDragControlObject object provides support for drag-and-drop or drag-and-dock operations. 
 
TControl is the base class for all components that are visible at runtime. 
 
This is class Controls.TControlAction. 
 
TControlActionLink links action objects to clients that descend from TControl
 
TControlCanvas is a specialized canvas object associated with a control. 
 
Base class for controls that wrap Windows screen objects but perform their own rendering. 
 
This is class Controls.TCustomControlAction. 
 
TCustomListControl is the base class for controls that display a list of items. 
 
TCustomMultiSelectListControl is the base class for list controls that allow multiple items to be selected. 
 
This is an abstract base class that is used as an ancestor for users to implement a custom panning window. 
 
Base class for transparent controls. 
 
TDockTree is the default docking manager for TWinControl
 
This is class Controls.TDockZone. 
 
TDragControlObject object provides for normal drag and drop operations. 
 
TDragControlObjectEx object provides for normal drag and drop operations. 
 
Contains drag-and-dock information for a control. 
 
Contains drag-and-dock information for a control. 
 
TDragImageList represents a set of images that appear during drag operations. 
 
TDragObject is a base class used for managing drag operations. 
 
TDragObjectEx is a base class used for managing drag operations. 
 
TGraphicControl is the base class for all lightweight controls. 
 
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 represents a collection of same-sized images, each of which can be referred to by its index. 
 
Contains margins for the control. 
 
TMouse surfaces information about the mouse and specifies how the application responds to mouse messages. 
 
Contains the padding for the control. 
 
Contains size constraints for a control. 
 
TWinControl is the base class for all controls that are wrappers for Microsoft Windows screen objects. 
 
TWinControlActionLink is an action link used by descendants of TWinControl
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