TCheckBox

type TCheckBox = class(TCustomCheckBox)

published

  property Action;

The action to be associated with this control

  property Align;

Used to align the control to the top, bottom, left or right of its client.

  property AllowGrayed;

Determines whether the check box can be in a "grayed" state.

  property Anchors;

The set of anchor definitions for this control

  property AutoSize;

Whether auto-size is to be used

  property BidiMode;

BiDiMode - enabling bi-directional writing

  property BorderSpacing;

Determines the border spacing for this control

  property Caption;

Caption - the text-string appearing on the Control, usually used to identify its function

  property Checked;

Checked - whether this button has been checked, which signifies selection

  property Color;

Determine the colour for the current control

  property Constraints;

Determine Constraints (max and min height and width) for this control

  property DragCursor;

DragCursor - the style of cursor to be used during the Drag process

  property DragKind;

DragKind - what sort of dragging? Drag or Dock

  property DragMode;

DragMode - whether manual or automatic

  property Enabled;

Whether the control is Enabled. If not, it usually appears 'greyed-out'

  property Font;

The Font to be used for text in this control

  property Hint;

Hint - a small informative pop-up box that appears when the mouse 'hovers' over a control

  property OnChange;

OnChange - event handler for any change in properties of the control

  property OnChangeBounds;

Event handler for a change in bounds of the control

  property OnClick;

Event Handler for mouse click

  property OnContextPopup;

Event handler to supply information when a context-sensitive pop-up menu is required

  property OnDragDrop;

Event handler for the Drag-Drop manoeuvre

  property OnDragOver;

Event handler for the case when a control is dragged over another control

  property OnEditingDone;

Event handler when editing is done

  property OnEndDrag;

Event handler for the end of a dragging process

  property OnEnter;

OnEnter - event handler for when the mouse enters the control, and the control receives focus

  property OnExit;

OnExit - event handler for when the mouse leaves the control and it loses focus

  property OnKeyPress;

OnKeyPress - event controller for a key being pressed while the control has focus. To properly handle national chars use UTF8KeyPress instead.

  property OnKeyDown;

OnKeyDown - event handler for instance when key is down while control has focus

  property OnKeyUp;

OnKeyUp - event handler for instance when a key is up (not pressed) while the control has focus

  property OnMouseDown;

Event handler for when a mouse button is pressed down

  property OnMouseEnter;

Event handler for when the mouse enters the area of the current control

  property OnMouseLeave;

Event handler for when the mouse leaves the area of the current control

  property OnMouseMove;

Event handler for mouse movement within the current control

  property OnMouseUp;

Event handler for when the mouse button is released, ie "up"

  property OnResize;

Event Handler for resize of control

  property OnStartDrag;

Event handler for start of dragging process

  property OnUTF8KeyPress;

UTF8KeyPress - event controller for a key being pressed while the control has focus.

  property ParentColor;

ParentColor - should the control have the same colour as the parent? Default is true

  property ParentFont;

ParentFont - should the control use the same font as the parent? Default is true

  property ParentShowHint;

ParentShowHint - does the control adopt the same hinting behaviour as its parent? Default is true

  property ParentBidiMode;

ParentBiDiMode - does the control follow the BiDiMode settings of its parent?

  property PopupMenu;

PopupMenu - a context-sensitive menu that pops up when the right mouse button is clicked over this control

  property ShowHint;

Flag to determine: Is hint to be displayed for this control?

  property State;

Indicates whether the check box is checked (selected), unchecked (deselected) or grayed.

  property TabOrder;

The place this control occupies in the list of tabs

  property TabStop;

Is the control in the sequence of controls accessed by successive presses of the Tab key?

  property Visible;

Visible - can the control be seen?

end;

TCheckBox

TCheckBox - a small box which can contain a check mark to indicate that it has been selected by a mouse click

TCustomCheckBox

TCustomCheckBox is the ancestor of all check-box components.

TButtonControl

TButtonControl : ancestor class for several Button (including Radio Button) and Check Box classes

TWinControl

TWinControl - the base class for all windowed controls

TControl

TControl - the main ancestor class for visual controls.

TLCLComponent

TObject

HowToUseStdCtrls

How to use StdCtrls, ComCtrls or ExtCtrls