TComboBox

type TComboBox = class(TCustomComboBox)

published

  property Align;

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

  property Anchors;

The set of anchor definitions for this control

  property ArrowKeysTraverseList;

ArrowKeysTraverseList - enables the operator to use the keyboard Arrow keys to move through the list as an alternative to using the mouse

  property AutoComplete;

AutoComplete - enables the facility to offer suggestions for completing text-strings

  property AutoCompleteText;

AutoCompleteText : Options for behavior of the Auto-Complete feature

  property AutoDropDown;

AutoDropDown - if True, the drop-down list appears as soon as the cursor moves over the text box

  property AutoSelect;

AutoSelect : Boolean. If True, all contents of Text box are selected when control receives focus

  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 CharCase;

CharCase: indicates whether text is to be displayed as Upper, Lower or Normal case (as entered)

  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;

  property DragMode;

DragMode - whether manual or automatic

  property DropDownCount;

DropDownCount - number of entries in the drop-down list

  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 ItemHeight;

ItemHeight - the height of the current item in the drop-down list

  property ItemIndex;

Index - the number of the currently selected item (starting at zero)

  property Items;

Items - an array of strings that holds the entries of the drop-down list

  property ItemWidth;

ItemWidth - the width of the current item in the drop-down list

  property MaxLength;

MaxLength - the maximum allowed length of a string

  property OnChange;

OnChange - event handler for any change in properties of the combo box

  property OnChangeBounds;

Event handler for a change in bounds of the control

  property OnClick;

Event Handler for mouse click

  property OnCloseUp;

OnCloseUp - event handler for when the drop-down box is closed up again

  property OnContextPopup;

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

  property OnDblClick;

Event Handle for mouse double-click

  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 OnDrawItem;

OnDrawItem - event handler for when an entry is written to the Items list

  property OnEndDrag;

Event handler for the end of a dragging process

  property OnDropDown;

  property OnEditingDone;

Event handler when editing is done

  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 OnGetItems;

OnGetItems - event handler for getting list of items for dropdown box

  property OnKeyDown;

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

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

  property OnMeasureItem;

Event handler when measurement of an item is required

  property OnMouseDown;

Event handler for when a mouse button is pressed down

  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 OnStartDrag;

Event handler for start of dragging process

  property OnSelect;

Event handler when an item or some text is selected

  property OnUTF8KeyPress;

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

  property ParentBidiMode;

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

  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 PopupMenu;

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

  property ReadOnly;

ReadOnly - if True, information in the control can only be Read, not Written or Deleted

  property ShowHint;

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

  property Sorted;

Sorted - whether the entries in the drop-down list have been sorted

  property Style;

Style : may be Simple, a single-line Drop-Down or a Drop-Down list, or some version drawn by the Owner

  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 Text;

Text - the string appearing in the main box. If an item on the drop-down list is selected, it replaces the contents of Text

  property Visible;

Visible - can the control be seen?

end;

TComboBox

TComboBox - a simple combination of text box for free text entry, and a drop-down list allowing one of several options to be chosen.

TCustomComboBox

TCustomComboBox - the base class from which TComboBox is derived

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