Delphi 常用组件继承关系

运行期可视化组件：

1、Form窗体：

TForm = class(TCustomForm)
TCustomForm = class(TScrollingWinControl) 
TScrollingWinControl = class(TWinControl)
TWinControl = class(TControl)
TControl = class(TComponent)
TComponent = class(TPersistent, IInterface, IInterfaceComponentReference)
Persistent = class(TObject)
TObject = class

2、Edit:

TEdit = class(TCustomEdit)

TCustomEdit = class(TWinControl)

TWinControl = class(TControl)

TControl = class(TComponent)

TComponent = class(TPersistent, IInterface, IInterfaceComponentReference)

TPersistent = class(TObject)

TObject = class

3、Button：

TButton = class(TButtonControl)

TButtonControl = class(TWinControl)

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4、CheckBox：

TCheckBox = class(TCustomCheckBox)

TCustomCheckBox = class(TButtonControl)

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5、Label：

TLabel = class(TCustomLabel)

TCustomLabel = class(TGraphicControl)

TGraphicControl = class(TControl)

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6、Panel：

TPanel = class(TCustomPanel)

TCustomPanel = class(TCustomControl)

TCustomControl = class(TWinControl)

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7、Image：

TImage = class(TGraphicControl)

TGraphicControl = class(TControl)

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运行期不可视组件：

1、Timer：

TTimer = class(TComponent)

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