[Overview][Constants][Types][Classes][Procedures and functions][Index] |
[Properties (by Name)] [Methods (by Name)] [Events (by Name)]
Displays a string value stored in a dataset field.
Source position: dbctrls.pp line 278
type TDBText = class(TCustomLabel) |
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protected |
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procedure Notification(); override; |
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Handles a notification when a component is added to or removed from the control. |
class procedure WSRegisterClass; override; |
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Registers the class type used to create new instance of the control for the Widgetset. |
procedure Loaded; override; |
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Performs actions when LCL component streaming has been completed. |
public |
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constructor Create(); override; |
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Constructor for the class instance. |
destructor Destroy; override; |
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Destructor for the class instance. |
function ExecuteAction(); override; |
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Implements support for standard actions in the control. |
function UpdateAction(); override; |
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Updates the specified action to reflect the current state in the linked dataset. |
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Provides access to the field definition for the data-aware control. |
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published |
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Specifies the placement of the control on its Parent control. |
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property Alignment: TAlignment; |
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Horizontal text justification in the control (centered, left- or right-justified). |
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The set of anchor definitions for this control. |
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property AutoSize: Boolean; |
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Allows automatic adjustment of the size for the control, according to its content. |
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Indicates whether text controls use in bi-directional reading. |
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property BorderSpacing: TControlBorderSpacing; |
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Determines the inner and outer border spacing for this control. |
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The background color for the control. |
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property Constraints: TSizeConstraints; |
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Contains the minimum and maximum Width and Height for the control. |
property DataField: string; [rw] |
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The name of the field, as a string (i.e. cannot be referred to as an Index). |
property DataSource: TDataSource; [rw] |
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Provides access to the content displayed in the control. |
property DragCursor: TCursor; |
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The cursor shape shown during a drag operation. |
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Indicates the action performed for a drag operation: drag-and-drop or drag-and-dock. |
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Determines how a drag operation is started for the control. |
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property Enabled: Boolean; |
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Determines whether the control responds to mouse or keyboard input. |
property FocusControl: TWinControl; |
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The control associated with the label and its accelerator key (AccelChar). |
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The font to be used for text display in this control. |
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property Layout: TTextLayout; |
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Vertical alignment for control text (at the top, bottom, or center). |
property ParentBidiMode: Boolean; |
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Indicates whether the BiDiMode settings in the Parent control are used. |
property ParentColor: Boolean; |
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Use the Color from the Parent control, when enabled. |
property ParentFont: Boolean; |
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Indicates if the Font from the Parent control is used in the control. |
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 ShowAccelChar: Boolean; |
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Enables or disables drawing of accelerator or shortcut keys for the label. |
property ShowHint: Boolean; |
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Enables Hint display for the control. |
property Transparent: Boolean; |
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Indicates whether the viewer can see through the control. |
property Visible: Boolean; |
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Indicates if the control is displayed. |
property WordWrap: Boolean; |
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Indicates if text is wrapped at the right edge of the control. |
property OnClick: TNotifyEvent; |
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Notification handler for mouse clicks. |
property OnDblClick: TNotifyEvent; |
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Event handler signalled when a mouse double click occurs in the control. |
property OnDragDrop: TDragDropEvent; |
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Event handler signalled when an object is dropped onto the control. |
property OnDragOver: TDragOverEvent; |
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Event handler signalled when a control is dragged over the control instance. |
property OnEndDrag: TEndDragEvent; |
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Event handler signalled for the end of a drag-drop operation. |
property OnMouseDown: TMouseEvent; |
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Event handler signalled when a mouse down event is handled for the control. |
property OnMouseEnter: TNotifyEvent; |
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Event handler signalled when the mouse pointer has entered the control. |
property OnMouseLeave: TNotifyEvent; |
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Event handler signalled when the mouse pointer has left the control. |
property OnMouseMove: TMouseMoveEvent; |
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Event handler signalled when the mouse pointer is moved in the control. |
property OnMouseUp: TMouseEvent; |
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Event handler signalled when a mouse up event is handled for the control. |
property OnMouseWheel: TMouseWheelEvent; |
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Event handler for mouse wheel turned. |
property OnMouseWheelDown: TMouseWheelUpDownEvent; |
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Event handler signalled for a downward movement of the mouse wheel. |
property OnMouseWheelUp: TMouseWheelUpDownEvent; |
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Event handler signalled for an upward movement of the mouse wheel. |
property OnChangeBounds: TNotifyEvent; |
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Event handler signalled when the Bounds for the control have been changed. |
property OnContextPopup: TContextPopupEvent; |
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Invoked when a context-sensitive pop-up menu is requested. |
property OnResize: TNotifyEvent; |
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Notification handler for a resize of the control. |
property OnStartDrag: TStartDragEvent; |
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Event handler signalled for the start of a dragging operation. |
property OptimalFill: Boolean; |
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If True, the font size is adjusted for optimal fill of the available space. |
end; |
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Displays a string value stored in a dataset field. |
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Control used to show static text optionally using multiple lines. |
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TGraphicControl is the base class for all lightweight controls. |
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The base class for visible controls. |
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The base class for LCL components which have an associated widget. |
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TDBText is a TCustomLabel descendant which implements a component to display the text content in a dataset field in the manner used for a label control. The stored field value is not editable in the control - just like a label component.
Use the Field property to access the field definition used to provide the value for the control.
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Provides access to the field definition for the data-aware control. |
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HowToUseDataAwareControls - Hints for accessing databases. |
Version 3.2 | Generated 2024-02-25 | Home |