[Overview][Constants][Types][Classes][Procedures and functions][Index] |
[Properties (by Name)] [Methods (by Name)] [Events (by Name)]
TDBLookupListBox, a data-aware listbox for presenting lookup list information from a database
Source position: dbctrls.pp line 429
type TDBLookupListBox = class(TCustomDBListBox) end; |
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protected |
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procedure DataChange(); override; |
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DataChange - triggered by a change in the data: finds the index of the field containing th changed value |
procedure DoSelectionChange(); override; |
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procedure InitializeWnd; override; |
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procedure DestroyWnd; override; |
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procedure KeyDown(); override; |
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procedure Loaded; override; |
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procedure UpdateData(); override; |
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UpdateData - method for applying any pending changes to the data |
public |
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constructor Create(); override; |
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Create - constructor for TDBLookupListBox: calls inherited Create then creates lookup and forms linkd |
property KeyValue: Variant; [rw] |
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published |
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Specifies the placement of the control inside its Parent. |
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The set of anchor definitions for this control. |
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property BiDiMode: TBiDiMode; |
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property BorderSpacing: TControlBorderSpacing; |
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Determines the inner and outer border spacing for this control. |
property BorderStyle: TBorderStyle; |
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Allows to show a border (line) around the control, |
property DataField: string; |
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The name of the DataField to which the listbox belongs |
property DataSource: TDataSource; |
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The identity of the DataSource from which the lookup data will be fetched |
property DragCursor: TCursor; |
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The cursor shape shown while the control is dragged. |
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Allows the user to drag the control. |
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property KeyField: string; [rw] |
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The KeyField holding the data |
property ListField: string; [rw] |
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The ListField for the data |
property ListFieldIndex: Integer; [rw] |
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ListFieldIndex - the index value for the listfield |
property ListSource: TDataSource; [rw] |
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ListSource - the data source from which the list is obtained |
property LookupCache: Boolean; [rw] |
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property NullValueKey: TShortCut; [rw] |
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property OnClick: TNotifyEvent; |
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Notification handler for mouse clicks. |
property OnDblClick: TNotifyEvent; |
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Event Handler for double mouse clicks. |
property OnDragDrop: TDragDropEvent; |
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This handler determines the action on an drop onto this control, in a drag-drop operation. |
property OnDragOver: TDragOverEvent; |
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Event handler for a control being dragged over this control. |
property OnEditingDone: TNotifyEvent; |
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property OnEndDrag: TEndDragEvent; |
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Notification handler for the end of a dragging operation. |
property OnEnter: TNotifyEvent; |
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Handler for control receiving the focus. |
property OnExit: TNotifyEvent; |
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Handler for control loosing the focus. This is a good place for checking the finished user input. |
property OnKeyPress: TKeyPressEvent; |
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Handler for a character entered by the user. |
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Handler for keyboard key pressed. |
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Handler for keyboard key released. |
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property OnMouseDown: TMouseEvent; |
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Event handler for mouse button going down. |
property OnMouseEnter: TNotifyEvent; |
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property OnMouseLeave: TNotifyEvent; |
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property OnMouseMove: TMouseMoveEvent; |
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Event handler for mouse movement within the control. |
property OnMouseUp: TMouseEvent; |
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Event handler for mouse button going up. |
property OnMouseWheel: TMouseWheelEvent; |
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property OnMouseWheelDown: TMouseWheelUpDownEvent; |
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property OnMouseWheelUp: TMouseWheelUpDownEvent; |
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property OnResize: TNotifyEvent; |
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Notification handler for a resize of the control. |
property OnStartDrag: TStartDragEvent; |
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Event handler for the start of a dragging operation. |
property OnUTF8KeyPress: TUTF8KeyPressEvent; |
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Handler for a character entered by the user. |
property ParentBiDiMode: Boolean; |
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property ParentShowHint: Boolean; |
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If true, the value of ShowHint for the control will be the same as the one from the Parent. Default is true. |
property PopupMenu: TPopupMenu; |
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A context-sensitive menu that pops up when the right mouse button is clicked over this control |
property ReadOnly: Boolean; |
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ReadOnly - if True, the data can only be read but not written or edited |
property ScrollListDataset: Boolean; [rw] |
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property ShowHint: Boolean; |
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Enables the Hint display. |
property Sorted: Boolean; |
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Determines whether the list entries are sorted. |
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Determines the sequence of controls, reachable when the user presses the Tab key. |
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property TabStop: Boolean; |
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Allows the user to navigate to this control, by pressing the Tab key. |
property TopIndex: Integer; |
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Index of the first visible (topmost) item. |
property Visible: Boolean; |
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Allows to show or hide the control, and all of its children. |
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TDBLookupListBox, a data-aware listbox for presenting lookup list information from a database |
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TCustomDBListBox - base class for TDBListBox, a data-aware listbox for presenting list information from a database |
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The base class for TListBox. |
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The base class for controls which can contain other (child) controls. |
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The base class for visible controls. |
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The base class for LCL components associated with widgets. |
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TComponent |
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TObject |
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