Vcl.Controls.TWinControl Fields
InheritedProtected
| FAnchorMove | protected | Specifies whether the control must keep its dimensions when it is moved, while being anchored to the form. | 
| FAnchorOrigin | protected | Specifies the coordinates of the anchor associated with the control. | 
| FAnchorRules | protected | Specifies the original coordinates of the anchor associated with the control. | 
| FAsyncList | protected | Internal TList that stores pending asynchronous method calls for the control. | 
| FComponentStyle | protected | FComponentStyle is the field of the ComponentStyle read-only property. | 
| FDesignSize | protected | Specifies the design-time dimensions of the control. | 
| FDoubleBuffered | protected | The internal field corresponding to the DoubleBuffered property | 
| FExplicitHeight | protected | Specifies the explicit vertical size of the control in pixels. | 
| FExplicitLeft | protected | Specifies the explicit horizontal pixel coordinate of the left edge of a component. The coordinate is relative to the component’s parent. | 
| FExplicitTop | protected | Specifies the explicit vertical pixel coordinate of the top edge of a component. The coordinate is relative to the component's parent. | 
| FExplicitWidth | protected | Specifies the explicit horizontal size of the control in pixels. | 
| FInImeComposition | protected | Specifies whether the IME is in the process of generating the composition string. | 
| FOriginalParentSize | protected | Specifies the original size of the parent to which the control is anchored. | 
| FReserved | protected | FReserved is an internal Delphi variable and should not be used. |