TCustomGrid

type TCustomGrid = class(TCustomControl)

protected

  fGridState: TGridState;

fGridState - local variable to hold current state of the grid (whether being edited, updated etc)

protected

  class procedure WSRegisterClass; override;

WSRegisterClass - Register this Class for the current Widget Set

protected

  procedure AdjustEditorBounds(); virtual;

AdjustEditorBounds - method to adjust the editor's bounds to include a new row and column

  procedure AssignTo(); override;

  procedure AutoAdjustColumn(); virtual;

AutoAdjustColumn - automatically adjust column properties to accommodate largest object

  procedure BeforeMoveSelection(); virtual;

BeforeMoveSelection - method to use before a selection is moved

  function BoxRect();

  procedure CalcAutoSizeColumn(); virtual;

CalcAutoSizeColumn - method for automatically calculating the size of a column

  procedure CalcFocusRect();

CalcFocusRect - method for calculating the bounds of a focused rectangle

  function CanEditShow; virtual;

CanEditShow - returns True if the editing data can be shown

  function CanGridAcceptKey(); virtual;

CanGridAcceptKey - returns True is the grid is able to accept the given key

  procedure CellClick(); virtual;

CellClick - method for processing a click in a cell

  procedure CheckLimits();

CheckLimits - method for checking limits of specified cell

  procedure CheckLimitsWithError();

CheckLimitsWithError - method for checking limits of specified cel, with error trapping

  procedure CMMouseLeave(); message;

CMMouseLeave - Control Message for a mouse leaving a cell

  procedure ColRowDeleted(); virtual;

ColRowDeleted - method for dealing with deletion of either a column or a row (depending on value of IsCol)

  procedure ColRowExchanged(); virtual;

ColRowExchanged - method for exchanging the current Column or Row (depending on value of IsCol) with the indexed other column or row

  procedure ColRowInserted(); virtual;

ColRowInserted - method for dealing with insertion of a column or row (depending on value of IsCol)

  procedure ColRowMoved(); virtual;

ColRowMoved - the column or row (determined by IsColumn) is moved from one index to another

  function ColRowToOffset();

ColRowToOffset - method for moving column or row (depending on value of IsCol); if Relative is True, moves by the amount of Index, otherwise moves from StartPos to EndPos. Returns True if successful

  function ColumnIndexFromGridColumn();

ColumnIndexFromGridColumn - extracts the index of the specified grid column

  function ColumnFromGridColumn();

ColumnFromGridColumn - returns the actual grid column given its index

  procedure ColumnsChanged();

ColumnsChanged - method for dealing with changed columns

  procedure ColWidthsChanged; virtual;

ColWidthsChanged - method for dealing with changes in column width

  function CreateColumns; virtual;

CreateColumns - returns the identity of the created columns

  procedure CheckNewCachedSizes(); virtual;

CheckNewCachedSizes - check the new values of cached sizes

  procedure CreateWnd; override;

CreateWnd - Creates the Window

  procedure CreateParams(); override;

CreateParams - create parameters for this windowed class

  procedure Click; override;

Click - a procedure that allows the programmer to simulate a mouse click over the control, and initiates the same Action as that associated with the OnClick event

  procedure DblClick; override;

DblClick - a procedure that allows the programmer to simulate a mouse double-click over the control, and initiates the same Action as that associated with the OnDblClick event

  procedure DefineProperties(); override;

  procedure DestroyHandle; override;

DestroyHandle - removes the handle for this window

  function DoCompareCells(); virtual;

DoCompareCells - perform the comparison of two or more cells in a grid

  procedure DoCopyToClipboard; virtual;

DoCopyToClipboard - copy the selected data to the clipboard, leaving the original data in place

  procedure DoCutToClipboard; virtual;

DoCutToClipboard - cut the data from its current site and place it on the clipboard

  procedure DoEditButtonClick(); virtual;

  procedure DoEditorHide; virtual;

DoEditorHide - hide the data in the editor

  procedure DoEditorShow; virtual;

DoEditorShow - show the data in the editor

  procedure DoExit; override;

Invoke the OnExit event handler.

  procedure DoEnter; override;

Invoke the OnEnter event handler.

  function DoMouseWheelDown(); override;

DoMouseWheelDown - performs the action for a downward movement of the mouse wheel; returns True if handled

  function DoMouseWheelUp(); override;

DoMouseWheelUp - performs the action for an upward movement of the mouse wheel; returns True if handled

  procedure DoOnChangeBounds; override;

Calls the OnChangeBounds event handler

  procedure DoOPDeleteColRow();

DoOPDeleteColRow performs the operation for deleting a column or row (depending on value of IsCol)

  procedure DoOPExchangeColRow();

DoOPExchangeColRow - perform the operation for exchanging either the current column or row (depending on value of IsCol) with the column or row specified by WithIndex

  procedure DoOPInsertColRow();

DoOPInsertColRow - perform th eoperation for inserting either a column or a row (depending on the value of IsCol) at th indexed position

  procedure DoOPMoveColRow();

DoOPMoveColRow - performs the operation for moving either a column or a row (depending on the value of IsCol) between FromIndex and ToIndex

  procedure DoPasteFromClipboard; virtual;

DoPasteFromClipboard paste the data from the clipboard to the current location

  procedure DoPrepareCanvas(); virtual;

DoPrepareCanvas - get the canvas ready for drawing

  procedure DoSetBounds(); override;

Perform the actual setting of the boundary rectangle.

  function DoUTF8KeyPress(); override;

DoUTF8KeyPress - issues a LCL message and returns True if there has been a UTF8 key press

  procedure DrawBorder;

DrawBorder - draws the border of the grid

  procedure DrawAllRows; virtual;

DrawAllRows - draws all the rows

  procedure DrawFillRect();

  procedure DrawCell(); virtual;

DrawCell - draws a cell at the given grid location (Col, Row) or in the specified Rectangle

  procedure DrawCellGrid(); virtual;

DrawCellGrid draws a grid of cells at the specified location

  procedure DrawTextInCell(); virtual;

  procedure DrawThemedCell();

  procedure DrawCellText(); virtual;

DrawCellText - draws the given text string in the cell specified by Col, Row or by Rectangle

  procedure DrawGridCheckboxBitmaps(); virtual;

DrawGridCheckboxBitmaps - draws checkbox bitmaps in the nominated rectangle with the specified checkbox state

  procedure DrawButtonCell();

  procedure DrawColRowMoving;

DrawColRowMoving - draw a column or row while it is moving

  procedure DrawColumnText(); virtual;

DrawColumnText - draw the text of the specified column

  procedure DrawColumnTitleImage();

DrawColumnTitleImage - draw the title image of the specified column

  procedure DrawEdges;

DrawEdges of the current grid

  procedure DrawFocusRect(); virtual;

DrawFocusRect - draw a rectangle with focus in the nominated cell

  procedure DrawRow(); virtual;

DrawRow - draws the specified row

  procedure EditButtonClicked();

EditButtonClicked - calls OnEditButtonClick

  procedure EditordoGetValue; virtual;

EditordoGetValue - method for geting a value in the Editor

  procedure EditordoSetValue; virtual;

EditordoSetValue - method for specifying a value in the Editor

  function EditorCanAcceptKey(); virtual;

EditorCanAcceptKey - returns True if the Editor is able to accept the nominated (UTF8) key

  function EditorIsReadOnly; virtual;

EditorIsReadOnly - returns True if the Editor has Read Only status

  procedure EditorHide; virtual;

EditorHide - method for hiding the editor

  function EditorLocked;

EditorLocked - returns True if the Editor is locked, ie unable to accept input or make changes

  function EditingAllowed(); virtual;

EditingAllowed - Returns true if grid and current column allow editing

  procedure EditorSelectAll;

EditorSelectAll - editor procedure to Select All

  procedure EditorShow(); virtual;

EditorShow - shows the cell contents in the Editor

  procedure EditorShowInCell(); virtual;

EditorShowInCell - shows the Editor's content in situ in the Cell

  procedure EditorTextChanged(); virtual;

  procedure EditorWidthChanged(); virtual;

EditorWidthChanged - method for dealing with a change in editor width

  function FirstGridColumn; virtual;

  function FixedGrid;

FixedGrid - returns True if the Grid is fixed

  procedure FontChanged(); override;

FontChanged - method to deal with a change in font

  procedure GetAutoFillColumnInfo(); virtual;

GetAutoFillColumnInfo - finds out information (max, min, priority) about the auto-fill properties of the indexed column

  function GetCells(); virtual;

  function GetColumnAlignment();

GetColumnAlignment - returns the Alignment value for the nominated column

  function GetColumnColor();

GetColumnColor - returns the Colour for the specified column

  function GetColumnFont();

GetColumnFont - returns the font for the specified column

  function GetColumnLayout();

GetColumnLayout - returns the Text Layout value for the specified column

  function GetColumnReadonly();

GetColumnReadonly - returns True if the column is marked ReadOnly

  function GetColumnTitle();

GetColumnTitle - returns the column title string

  function GetColumnWidth();

GetColumnWidth - returns the width of the column

  function GetDeltaMoveNext(); virtual;

GetDeltaMoveNext return the relative cell coordinate of the next cell to which movement will occur

  function GetDefaultColumnAlignment(); virtual;

GetDefaultColumnAlignment - returns the default alignment for the specified column

  function GetDefaultColumnWidth(); virtual;

GetDefaultColumnWidth - returns the default width for the specified column

  function GetDefaultColumnLayout(); virtual;

GetDefaultColumnLayout - returns the default text layout for the nominated column

  function GetDefaultColumnReadOnly(); virtual;

GetDefaultColumnReadOnly - returns the default setting of the ReadOnly flag for the specified column

  function GetDefaultColumnTitle(); virtual;

GetDefaultColumnTitle - returns the default title string for the specified column

  function GetDefaultEditor();

GetDefaultEditor - returns the default editor for the specified column

  function GetDefaultRowHeight; virtual;

GetDefaultRowHeight - returns the default row height

  function GetImageForCheckBox(); virtual;

  function GetScrollBarPosition();

GetScrollBarPosition - returns the position of the scroll bar specified by Which

  procedure GetSBVisibility(); virtual;

GetSBVisibility - finds the values of the visibility flags for the scrollbars

  procedure GetSBRanges(); virtual;

GetSBRanges - finds the ranges of values for the scrollbars, if they are visible

  procedure GetSelectedState(); virtual;

  function GetEditMask(); virtual;

GetEditMask - returns the edit mask string for the specified cell

  function GetEditText(); virtual;

GetEditText - returns the Edit text string for the specified cell

  function GetFixedcolor; virtual;

GetFixedcolor - returns a value for the fixed colour

  function GetFirstVisibleColumn;

  function GetFirstVisibleRow;

  function GetLastVisibleColumn;

  function GetLastVisibleRow;

  function GetSelectedColor; virtual;

GetSelectedColor - returns the value for the colour of tems that have been selected

  function GridColumnFromColumnIndex();

GridColumnFromColumnIndex - returns the number of the column given its column index

  procedure GridMouseWheel(); virtual;

  procedure HeaderClick(); virtual;

HeaderClick - method to deal with a click on the column (if IsColumn is True) or row Header

  procedure HeaderSized(); virtual;

HeaderSized - method to deal with re-sizing of a column (IsColumn True) or row header

  procedure HeaderSizing(); virtual;

  procedure InternalSetColCount();

InternalSetColCount - specify the column count

  procedure InvalidateCell();

InvalidateCell - render a cell non-valid, and redraw if required

  procedure InvalidateFromCol();

InvalidateFromCol - render the grid non-valid from the specified column onwards

  procedure InvalidateGrid;

InvalidateGrid - render the whole grid non-valid

  procedure InvalidateFocused;

InvalidateFocused - render the focused item non-valid

  function GetIsCellTitle(); virtual;

  function GetIsCellSelected(); virtual;

GetIsCellSelected - returns True if the given cell is selected

  procedure KeyDown(); override;

KeyDown - emulate the action of pressing the specified key (makes OnKeyDown respond)

  procedure KeyUp(); override;

KeyUp - emulates the action of a key being released (makes OnKeyUp respond)

  procedure LoadContent(); virtual;

LoadContent - method to load a configuration

  procedure Loaded; override;

  procedure LockEditor;

LockEditor - lock the editor so that it will not accept input or changes

  procedure MouseDown(); override;

MouseDown - a procedure that allows the programmer to simulate a mouse button being down over the control, and initiates the same Action as that associated with the OnMouseDown event

  procedure MouseMove(); override;

MouseMove - a procedure that allows the programmer to simulate a mouse being moved over the control, and initiates the same Action as that associated with the OnMouseMove event

  procedure MouseUp(); override;

MouseUp - a procedure that allows the programmer to simulate a mouse button being Up over the control, and initiates the same Action as that associated with the OnMouseUp event

  function MoveExtend();

MoveExtend - move an extended selection; if Relative is true, use Delta column and row to find position; returns True if successful

  function MoveNextAuto();

MoveNextAuto - move to next cell in automatic sequence; if Relative is True, use delta col and row to find position; returns True if successful

  function MoveNextSelectable();

MoveNextSelectable - move to next selectable cel; use delta col and row if Relative is True; returns True if successful

  procedure MoveSelection; virtual;

MoveSelection - moves the selected text, cell or group of cells

  function OffsetToColRow();

OffsetToColRow - move by the value of Offset to another column or row (determined by the value of IsCol), returning True if successful

  procedure Paint; override;

The default paint handler for the class

  procedure PickListItemSelected();

PickListItemSelected - indicates that an item was selected from the pick-list

  procedure PrepareCanvas(); virtual;

PrepareCanvas - method to get the canvas ready for drawing at the specified location

  procedure ResetEditor;

ResetEditor - resets the current editor for the grid

  procedure ResetOffset();

ResetOffset - resets the offset, checking columns and rows if demanded

  procedure ResetSizes; virtual;

ResetSizes - resets the sizes

  procedure ResizeColumn();

ResizeColumn - resizes the nominated column to the specified width

  procedure ResizeRow();

ResizeRow - resizes the nominated row to the specified height

  procedure RowHeightsChanged; virtual;

RowHeightsChanged - method invoked when row heights are changes

  procedure SaveContent(); virtual;

SaveContent as specified in the XML configuration variable

  procedure ScrollBarRange();

ScrollBarRange - specify the range of the scrollbar; Which determines whether it is horizontal or vertical

  procedure ScrollBarPosition();

ScrollBarPosition - records the position ( Value) of the scrollbar; Which determines horizontal or vertical

  function ScrollBarIsVisible();

ScrollBarIsVisible - Returns True if visible; Which determines whether horizontal or vertical

  procedure ScrollBarPage();

ScrollBarPage - a Page movement of the scrollbar (specified by Which)

  procedure ScrollBarShow();

ScrollBarShow method

  function ScrollBarAutomatic(); virtual;

ScrollBarAutomatic method

  procedure SelectEditor; virtual;

SelectEditor - chooses the editor for current use

  function SelectCell(); virtual;

Is called if a grid cell is highlighted.

  procedure SetCanvasFont();

SetCanvasFont to specified value

  procedure SetColor(); override;

SetColor to specified value

  procedure SetColRow();

SetColRow - specifies the column and row for addressing

  procedure SetEditText(); virtual;

SetEditText - specifies the text-string to be placed in the Editor for processing

  procedure SetBorderStyle(); override;

SetBorderStyle - specifies a new border style

  procedure SetFixedcolor(); virtual;

SetFixedcolor - specifies colour for fixed cells

  procedure SetFixedCols(); virtual;

Write specifier for FixedCols

  procedure SetSelectedColor(); virtual;

SetSelectedColor - specifies colour for cells that have been selected

  procedure SizeChanged(); virtual;

SizeChanged - specifies the old number of columns and rows

  procedure Sort(); virtual;

Sort method

  procedure TopLeftChanged; virtual;

TopLeftChanged - the top left cell has changed

  function TryMoveSelection();

TryMoveSelection - attempts to move the selection by the specified offset; returns True if sucessful

  procedure UnLockEditor;

UnLockEditor - frees a previously locked Editor

  procedure UpdateHorzScrollBar(); virtual;

UpdateHorzScrollBar - updates the scrollbar in the given range by the given page, if it is visible

  procedure UpdateSelectionRange;

UpdateSelectionRange - updates the range of the current selection

  procedure UpdateVertScrollbar(); virtual;

UpdateVertScrollbar - updates the scrollbar in the given range by the given page, if it is visible

  procedure UpdateBorderStyle;

UpdateBorderStyle - brings the border style up to date

  function ValidateEntry(); virtual;

  procedure VisualChange; virtual;

VisualChange - a change in the visual properties

  procedure WMHScroll(); message;

WMHScroll - system message for horizontal scrolling

  procedure WMVScroll(); message;

WMVScroll - system message for vertical scrolling

  procedure WMKillFocus(); message;

WMKillFocus - LCL Message to kill focus

  procedure WMSetFocus(); message;

WMSetFocus - LCL Message to set focus

  procedure WndProc(); override;

WndProc - message handler for the procedure of this window

  property AllowOutboundEvents: Boolean; [rw]

AllowOutboundEvents - permits mouse click on an imaginary (out-of-bounds) cell; moves cursor to nearest valid cell

  property AlternateColor: TColor; [rws]

The colour to be used for the background on alternate rows of the grid. Having alternate rows in different colours can make the grid easier to read.

  property AutoAdvance: TAutoAdvance; [rw]

Automatically advance down the grid on successive mouse clicks or presses of the ENTER or TAB key

  property AutoEdit: Boolean; [rw]

Whether the Edit mode is automatically entered when a cell is selected

  property AutoFillColumns: Boolean; [rw]

Automatically resize columns so they fill all grid's visible area

  property BorderStyle: TBorderStyle; [rw]

BorderStyle - none, or single

  property BorderColor: TColor; [rw]

The colour of the border for this control

  property Col: Integer; [rw]

Current column index.

  property ColCount: Integer; [rw]

Number of columns of the grid.

  property Columns: TGridColumns; [rws]

The properties of the columns in this grid

  property ColWidths: Integer; [rw]

Column widths for the grid.

  property DefaultColWidth: Integer; [rw]

Default value for the width of newly created grid columns.

  property DefaultRowHeight: Integer; [rws]

Default value for the height of newly created grid rows.

  property DefaultDrawing: Boolean; [rw]

Is the default drawing method to be used for this grid? Default is TRUE

  property DefaultTextStyle: TTextStyle; [rw]

Default style for displaying text - includes alignment, layout, single or multi-lines

  property DragDx: Integer; [rw]

DragDx - the amount (DeltaX) by which an object should be dragged

  property Editor: TWinControl; [rw]

The editor to be used for modifying information in the cells of the grid

  property EditorBorderStyle: TBorderStyle; [rw]

The border style for the editor used in this grid

  property EditorMode: Boolean; [rw]

Is grid ready to accept edits? (EditorMode True)

  property EditorKey: Boolean; [rw]

EditorKey - is the current key available to the editor?

  property EditorOptions: Integer; [rw]

The set of options available for the grid's editor

  property EditorShowing: Boolean; [rw]

Is the editor for the grid displayed?

  property ExtendedColSizing: Boolean; [rw]

ExtendedColSizing - the sizing to be used for extended columns

  property ExtendedRowSizing: Boolean; [rw]

ExtendedRowSizing - the sizing to be used for extended rows

  property ExtendedSelect: Boolean; [rw]

ExtendedSelect - the ability to select cells beyond the boundary of the visible part of the grid

  property FastEditing: Boolean; [rw]

Is the FastEditing method being used?

  property AltColorStartNormal: Boolean; [rw]

AltColorStartNormal - using a second colour to display alternate rows, but starting the first row with the normal colour

  property FixedCols: Integer; [rw]

Number of the fixed columns of the grid (ie the columns containing title or identifier material, that don't get scrolled when the rest of the grid moves).

  property FixedRows: Integer; [rw]

Number of the fixed rows of the grid (ie the rows containing title or identifier material, that don't get scrolled when the rest of the grid moves).

  property FixedColor: TColor; [rw]

The color for the fixed cells of the grid.

  property FixedHotColor: TColor; [rw]

FixedHotColor - the 'Hot' colour for the active (selected, etc) fixed cells of the grid

  property Flat: Boolean; [rw]

Is the cell to be displayed Flat, ie with no texturing or raised/lowered effect

  property FocusColor: TColor; [rw]

The colour to be used for the cell receiving focus

  property FocusRectVisible: Boolean; [rw]

FocusRectVisible - is the rectangle receiving focus visible?

  property GCache: TGridDataCache; [r]

GCache - the cache to be used for grid data

  property GridFlags: TGridFlags; [rw]

GridFlags - the flags that are set for the grid

  property GridHeight: Integer; [r]

GridHeight - the height of the grid

  property GridLineColor: TColor; [rw]

Colour to be used for GridLines

  property GridLineStyle: TPenStyle; [rw]

Style to be used for GridLines

  property GridLineWidth: Integer; [rw]

Width (thickness) of GridLines

  property GridWidth: Integer; [r]

Width of the whole Grid

  property HeaderHotZones: TGridZoneSet; [rw]

HeaderHotZones - the zones of the header that are under the cursor, so are capable of being selected or pushed (or not!)

  property HeaderPushZones: TGridZoneSet; [rw]

HeaderPushZones - the zones of the header that have been selected by the cursor, or pushed

  property TitleImageList: TImageList; [rw]

TitleImageList - the list of images to be used with the titles

  property InplaceEditor: TWinControl; [r]

InplaceEditor - the editor to be used in-place, ie in the cell itself instead of outside the grid

  property IsCellSelected: Boolean; [r]

IsCellSelected - is the cell specified by aCol, aRow selected?

  property LeftCol: Integer; [rw]

LeftCol - the left-most column

  property Options: TGridOptions; [rw]

The options available for use in this grid

  property Row: Integer; [rw]

The current Row (record) within the grid

  property RowCount: Integer; [rw]

Number of rows in the grid

  property RowHeights: Integer; [rw]

The row heights for the grid.

  property SaveOptions: TSaveOptions; [rw]

The set of options for saving information from the grid (design, attributes, content or position)

  property SelectActive: Boolean; [rw]

SelectActive - if True, the current active cell is selected

  property SelectedColor: TColor; [rw]

Colour to be used for selected cells

  property SelectedColumn: TGridColumn; [r]

The column (field) currently selected

  property Selection: TGridRect; [rw]

The current selection (rows and columns) in the grid

  property ScrollBars: TScrollStyle; [rw]

The ScrollBars to be used with this grid

  property StrictSort: Boolean; [rw]

StrictSort - is strict sorting to be used?

  property TitleFont: TFont; [rw]

The font to be used in the grid's title

  property TitleStyle: TTitleStyle; [rw]

The style to be used for the grid's title

  property TopRow: Integer; [rw]

The first row (record) in the grid

  property UseXORFeatures: Boolean; [rw]

UseXORFeatures: When True, the dotted focus rectangle is painted using the XOR raster operation

  property VisibleColCount: Integer; [rs]

The number of visible columns

  property VisibleRowCount: Integer; [rs]

The number of visible rows

  property OnBeforeSelection: TOnSelectEvent; [rw]

OnBeforeSelection - event handler for use before a selection is made

  property OnCheckboxToggled: TToggledCheckboxEvent; [rw]

  property OnCompareCells: TOnCompareCells; [rw]

Event handler for comparing the contents of grid cells

  property OnPrepareCanvas: TOnPrepareCanvasEvent; [rw]

Event handler to prepare the Canvas for drawing

  property OnDrawCell: TOnDrawCell; [rw]

Event handler for drawing a cell

  property OnEditButtonClick: TNotifyEvent; [rw]

Event handler for when the Edit button is clicked

  property OnPickListSelect: TNotifyEvent; [rw]

Event handler for selecting an item from a picklist (eg drop-down list in TComboBox)

  property OnSelection: TOnSelectEvent; [rw]

Event handler for when an area of a grid (one or a group of cells) is selected

  property OnSelectEditor: TSelectEditorEvent; [rw]

Event handler for selecting an editor

  property OnTopLeftChanged: TNotifyEvent; [rw]

Event handler when the top left cell is changed (ie the grid has been scrolled so that a different cell occupies top left)

  property OnUserCheckboxBitmap: TUserCheckBoxBitmapEvent; [rw]

OnUserCheckboxBitmap - event handler for a user accessing a checkbox bitmap

  property OnValidateEntry: TValidateEntryEvent; [rw]

  function FlipRect();

  function FlipPoint();

  function FlipX();

public

  constructor Create(); override;

Create - constructor for TCustomGrid: calls inherited Create, then creates lists of columns and rows, initialises many visual properties and options, creates the various editors and loads any bitmaps required for the display

  destructor Destroy; override;

Destroy - destructor for TCustomGrid: frees various resources including editors, columns, rows, font then calls inherited Destroy

  procedure Invalidate; override;

Render this control non-valid

  procedure EditingDone; override;

EditingDone - what to do when you have finished editing; calls the OnEditingDone event handler if assigned

  procedure AutoAdjustColumns;

AutoAdjustColumns - automatically adjust the columns according to the size of their contents

  procedure BeginUpdate;

Begin updating the grid

  function CellRect();

The coordinates of the current cell (column, row) expressed as a standard rectangle (TRect)

  function CellToGridZone();

Convert the coordinates of the current cell (col, row) to a grid zone

  procedure CheckPosition;

Check the position of the cursor

  procedure Clear;

Clear all cells from the grid.

  function EditorByStyle(); virtual;

Select a cell editor control with the specified style

  procedure EditorKeyDown();

Emulate the OnKeyDown event handler in the cell editor

  procedure EditorKeyPress();

Emulate the OnKeyPress event handler in the cell editor

  procedure EditorKeyUp();

Emulate the OnKeyUp event handler in the cell editor

  procedure EndUpdate();

EndUpdate - Finish updating the grid

  procedure EraseBackground(); override;

Clear the background to the grid

  procedure InvalidateCol();

InvalidateCol - render the specified column non-valid

  procedure InvalidateRange();

InvalidateRange - render a range of the grid non-valid

  procedure InvalidateRow();

InvalidateRow - render the specified row non-valid

  function IscellVisible();

Finds out whether a particular cell is visible

  procedure LoadFromFile();

Load the grid data from a file with the specified name

  function MouseCoord();

Find the mouse coordinates relative to the grid origin

  function MouseToCell();

Convert mouse coordinates to the position of a cell in the grid

  function MouseToLogcell();

Convert mouse coordinates to the position of a logical cell in the grid

  function MouseToGridZone();

MouseToGridZone - convert muse coordinates to a gid zone

  procedure SaveToFile();

Save the data in the grid to a file with specified name

  procedure SetFocus; override;

Set focus on the grid

  property SortOrder: TSortOrder; [rw]

Order of sorting - ascending or descending

  property TabStop;

Is the control in the sequence of controls accessed by successive presses of the Tab key?

end;

TCustomGrid

TCustomGrid - the base class for all grid controls

TCustomControl

TCustomControl - a base class for many window controls

TWinControl

TControl

TLCLComponent

TLCLComponent - base class for LCL components

TComponent,IUnknown,IInterfaceComponentReference

TPersistent

TObject

TStringGrid

TStringGrid - a specialised grid for displaying strings (text material) in a matrix of columns and rows

TDrawGrid

TDrawGrid - a drawn grid. May contain images in its cells

HowToUseGrids

How to use Grids including StringGrids, DrawGrids and DbGrids