TGridColumn

type TGridColumn = class(TCollectionItem)

protected

  function GetDisplayName; override;

  function GetDefaultAlignment; virtual;

GetDefaultAlignment - returns the default alignment

  function GetDefaultColor; virtual;

GetDefaultColor - returns the default colour

  function GetDefaultLayout; virtual;

GetDefaultLayout - returns the default layout for text

  function GetDefaultMaxSize; virtual;

GetDefaultMaxSize -returns the default maximum size

  function GetDefaultMinSize; virtual;

GetDefaultMinSize - returns the default minimum size

  function GetDefaultReadOnly; virtual;

GetDefaultReadOnly - returns the default value for the ReadOnly property

  function GetDefaultSizePriority;

GetDefaultSizePriority - returns the default value for size priority

  function GetDefaultVisible; virtual;

GetDefaultVisible - returns the default value for the Visible property

  function GetDefaultValueChecked; virtual;

GetDefaultValueChecked - returns the default value for a checked column

  function GetDefaultValueUnchecked; virtual;

GetDefaultValueUnchecked - returns the default value for an unchecked column

  function GetDefaultWidth; virtual;

GetDefaultWidth - returns the default value for width

  function GetPickList; virtual;

GetPickList - returns the picklist as a list of strings

  function GetValueChecked;

GetValueChecked - returns a checked value as a string

  function GetValueUnchecked;

GetValueUnchecked - returns an unchecked value as a string

  procedure ColumnChanged; virtual;

ColumnChanged - method for dealing with change of column

  procedure AllColumnsChange;

AllColumnsChange - method for processing a change in all columns

  function CreateTitle; virtual;

CreateTitle - creates a column title and returns it in the result

  procedure SetIndex(); override;

  property IsDefaultFont: Boolean; [r]

IsDefaultFont - if True, the default font is being used

public

  constructor Create(); override;

Create - constructor for TGridColumn: calls inherited Create, then creates a title and font, initialises a picklist and sets styles

  destructor Destroy; override;

Destroy - destructor for TGridColumn: disposes of various local variables, frees picklist, font and title, then calls inherited Destroy

  procedure Assign(); override;

  procedure FillDefaultFont;

FillDefaultFont - method to fill all cells in the column with the default font

  function IsDefault; virtual;

IsDefault - returns True if this column is the default

  property Grid: TCustomGrid; [r]

The Grid to which this column belongs

  property WidthChanged: Boolean; [r]

WidthChanged - if True, width has been changed

published

  property Alignment: TAlignment; [rws]

Alignment - whether justified, centred etc

  property ButtonStyle: TColumnButtonStyle; [rw]

ButtonStyle - the style of any column button

  property Color: TColor; [rws]

the Color for this column

  property DropDownRows: LongInt; [rw]

DropDownRows - the number of rows in the drop-down list

  property Expanded: Boolean; [rw]

Whether the column has been Expanded

  property Font: TFont; [rws]

The Font for the column

  property Layout: TTextLayout; [rws]

The Layout for text

  property MinSize: Integer; [rws]

MinSize - the minimum size

  property MaxSize: Integer; [rws]

MaxSize - the maximum size

  property PickList: TStrings; [rw]

PickList - the list of items selected from this column

  property ReadOnly: Boolean; [rws]

ReadOnly - if True, only reading (not writing) is allowed

  property SizePriority: Integer; [rws]

SizePriority - the value of the size priority in the sorted order

  property Title: TGridColumnTitle; [rw]

The Title for the column

  property Width: Integer; [rws]

The Width of the column

  property Visible: Boolean; [rws]

Visible - if True, the column can be seen (ie not hidden)

  property ValueChecked: String; [rws]

ValueChecked - a string value of a checked item

  property ValueUnchecked: String; [rws]

ValueUnchecked - a string value of an unchecked item

end;

TGridColumn

TGridColumn - a column of similar data items in a grid

TCollectionItem

TPersistent

TObject