[Overview][Constants][Types][Classes][Procedures and functions][Index] |
[Properties (by Name)] [Methods (by Name)] [Events (by Name)]
TDBCalendar - a data-aware version of TCalendar, for selecting a date to put in a database field
Source position: dbctrls.pp line 1115
type TDBCalendar = class(TCalendar) end; |
||
protected |
||
procedure Notification(); override; |
|
|
public |
||
constructor Create(); override; |
|
Create - constructor for TDBCalendar: calls inherited Create and forms datalinks and actions |
destructor Destroy; override; |
|
Destroy - destructor for TDBCalendar: frees datalinks and calls inherited Destroy |
procedure EditingDone; override; |
|
EditingDone - changes data over the link then calls inherited EditingDone |
function ExecuteAction(); override; |
||
function UpdateAction(); override; |
||
property Field: TField; [r] |
|
The Field to which the calendar is attached |
published |
||
property BorderSpacing: TControlBorderSpacing; |
|
Determines the inner and outer border spacing for this control. |
property DataField: string; [rw] |
|
The name of the DataField as a string |
property DataSource: TDataSource; [rw] |
|
The identity of the DataSource holding the date information |
property Date: string; [ws] |
|
The Date obtained from the Calendar |
property ReadOnly: Boolean; [rw] |
|
ReadOnly - if True, calendar can only be viewed but not changed |
property DisplaySettings: TDisplaySettings; [s] |
|
DisplaySettings - various options governing the appearance of the display |
property DragCursor: TCursor; |
|
The cursor shape shown while the control is dragged. |
|
Allows the user to drag the control. |
|
property Visible: Boolean; |
|
Allows to show or hide the control, and all of its children. |
property OnClick: TNotifyEvent; |
|
Notification handler for mouse clicks. |
property OnDragDrop: TDragDropEvent; |
|
This handler determines the action on an drop onto this control, in a drag-drop operation. |
property OnDragOver: TDragOverEvent; |
|
Event handler for a control being dragged over this control. |
property OnEndDrag: TEndDragEvent; |
|
Notification handler for the end of a dragging operation. |
property OnMouseMove: TMouseMoveEvent; |
|
Event handler for mouse movement within the control. |
property OnMouseDown: TMouseEvent; |
|
Event handler for mouse button going down. |
property OnDayChanged: TNotifyEvent; |
|
OnDayChanged - event handler for a change in Day selected |
property OnMonthChanged: TNotifyEvent; |
|
OnMonthChanged - event handler for a change in month selected |
property OnStartDrag: TStartDragEvent; |
|
Event handler for the start of a dragging operation. |
property OnYearChanged: TNotifyEvent; |
|
OnYearChanged - event handler for a change in the year selected |
|
TDBCalendar - a data-aware version of TCalendar, for selecting a date to put in a database field |
|
| | ||
|
TCalendar - a graphic allowing the user to select a date which is returned as data to the calling routine |
|
| | ||
|
TCustomCalendar - base class for TCalendar, a graphic for selecting a date |
|
| | ||
|
The base class for controls which can contain other (child) controls. |
|
| | ||
|
The base class for visible controls. |
|
| | ||
|
The base class for LCL components associated with widgets. |
|
| | ||
TComponent |
||
? | ||
TObject |
A pop-up calendar appears, and the user can navigate through years, months and days to select the date that is required. When a date is selected, it is inserted into the Date field of the appropriate record in the database.
|
HowToUseDataAwareControls - Hints for accessing databases |
lazarus-ccr.sourceforge.net |