[Overview][Constants][Types][Classes][Procedures and functions][Index] |
[Properties (by Name)] [Methods (by Name)] [Events (by Name)]
TDBGroupBox - a data-aware version of TGroupBox, allowing a number of data-aware objects to be grouped together on a form
Source position: dbctrls.pp line 919
type TDBGroupBox = class(TCustomGroupBox) |
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FDataLink - local variable storing the identity of the Field Data Link |
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function GetDataField; |
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GetDataField - returns the name of the data field |
function GetDataSource; |
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GetDataSource - returns the identity of the data source |
function GetField; |
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GetField - returns the identity of the field to which the group box is atttached |
procedure SetDataField(); |
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SetDataField - specifies the data field to which the group box is attached |
procedure SetDataSource(); |
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SetDataSource - specifies the data source to be used by the group box |
procedure CMGetDataLink(); message; |
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CMGetDataLink - control message for finding the data link |
protected |
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procedure DataChange(); virtual; |
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DataChange - if Data changed, loads the new data into the caption |
procedure Loaded; override; |
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procedure Notification(); override; |
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public |
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constructor Create(); override; |
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Create - constructor for TDBGroupBox: calls inherited Create then sets up datalinks and actions |
destructor Destroy; override; |
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Destroy - destructor for TDBGroupBox: frees datalinks then calls inherited Destroy |
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The field in the DataSet to which this control is to be linked. Can be referred to by name, or as an index |
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published |
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property Align; |
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Used to align the control to the top, bottom, left or right of its client. |
property Anchors; |
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The set of anchor definitions for this control |
property BorderSpacing; |
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Determines the border spacing for this control |
property Caption; |
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Caption - the text-string appearing on the Control, usually used to identify its function |
property ClientHeight; |
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ClientHeight - determines the height of the client within which the control exists |
property ClientWidth; |
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ClientWidth - determines the width of the client within which the control exists |
property Color; |
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Determine the colour for the current control |
property Constraints; |
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Determine Constraints (max and min height and width) for this control |
property DataField: String; [rw] |
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The name of the field, as a string (ie cannot be referred to as an Index) |
property DataSource: TDataSource; [rw] |
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The DataSource from which information is obtained to display in this control. Usually the result of a SQLQuery |
property DragCursor; |
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DragCursor - the style of cursor to be used during the Drag process |
property DragMode; |
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DragMode - whether manual or automatic |
property Enabled; |
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Whether the control is Enabled (read/write). If not, it usually appears 'greyed-out' |
property Font; |
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The font to be used for text in this control (read/write). |
property OnClick; |
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Event Handler for mouse click |
property OnDblClick; |
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Event Handle for mouse double-click |
property OnDragDrop; |
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Event handler for the drop of a control onto this control. |
property OnDragOver; |
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Event handler for the case when a control is dragged over another control |
property OnEndDrag; |
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Event handler for the end of a dragging process |
property OnEnter; |
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OnEnter - event handler for when the mouse enters the control, and the control receives focus |
property OnExit; |
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OnExit - event handler for when the mouse leaves the control and it loses focus |
property OnKeyDown; |
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OnKeyDown - event handler for instance when key is down while control has focus |
property OnKeyPress; |
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OnKeyPress - event controller for a key being pressed while the control has focus. To properly handle national chars use UTF8KeyPress instead. |
property OnKeyUp; |
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OnKeyUp - event handler for instance when a key is up (not pressed) while the control has focus |
property OnMouseDown; |
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Event handler for when a mouse button is pressed down |
property OnMouseMove; |
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Event handler for mouse movement within the current control |
property OnMouseUp; |
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Event handler for when the mouse button is released, ie "up" |
property OnResize; |
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Event Handler for resize of control |
property OnStartDrag; |
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Event handler for start of dragging operation |
property OnUTF8KeyPress; |
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UTF8KeyPress - event controller for a key being pressed while the control has focus. |
property ParentColor; |
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ParentColor - should the control have the same colour as the parent? Default is true |
property ParentFont; |
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ParentFont - should the control use the same font as the parent? Default is true |
property ParentShowHint; |
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ParentShowHint - does the control adopt the same hinting behaviour as its parent? Default is true |
property PopupMenu; |
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PopupMenu - a context-sensitive menu that pops up when the right mouse button is clicked over this control |
property ShowHint; |
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Flag to determine: Is hint to be displayed for this control? |
property TabOrder; |
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The place this control occupies in the list of tabs |
property TabStop; |
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Is the control in the sequence of controls accessed by successive presses of the Tab key? |
property Visible; |
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Visible - can the control be seen? |
end; |
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TDBGroupBox - a data-aware version of TGroupBox, allowing a number of data-aware objects to be grouped together on a form |
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TCustomGroupBox - the base class for TGroupBox, TRadioGroup and TCheckGroup |
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TLCLComponent - base class for LCL components |
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HowToUseDataAwareControls - Hints for accessing databases |
lazarus-ccr.sourceforge.net |