TGridDataCache

type TGridDataCache = record

  FixedWidth: Integer;

Sum of the column widths for fixed cells in a grid.

  FixedHeight: Integer;

Sum of the row heights for fixed cells in a grid.

  GridWidth: Integer;

Sum of the column widths for all cells in a grid.

  GridHeight: Integer;

Sum of the row heights for all cells in a grid.

  ClientWidth: Integer;

Width of the grid control minus the width for the vertical scroll bar.

  ClientHeight: Integer;

Height of the grid control minus the width of the horizontal scroll bar.

  ClientRect: TRect;

  ScrollWidth: Integer;

The difference between ClientWidth and FixedWidth.

  ScrollHeight: Integer;

The difference between ClientHeight and FixedHeight.

  HScrollBarNetRange: Integer;

Difference between the scroll bar range and the grid page size.

  VisibleGrid: TRect;

Visible non-fixed cell coordinates rectangle.

  MaxClientXY: Tpoint;

Bottom/Right coordinates in (pixels) for the visible parts of a grid.

  ValidRows: Boolean;

True when there are no fixed columns to display in a grid.

  ValidCols: Boolean;

True when there are no fixed rows to display in the grid.

  ValidGrid: Boolean;

True when there are no fixed cells for columns or rows in a grid.

  AccumWidth: TIntegerList;

Cumulative preceding width per grid column.

  AccumHeight: TIntegerList;

Cumulative preceding height per grid row.

  TLColOff: Integer;

Offset in pixels for the Top/Left column in a grid.

  TLRowOff: Integer;

Offset in pixels for the Top/Left row in a grid.

  MaxTopLeft: TPoint;

Cell coordinates for the last cell that can be used as the grid visual origin.

  MaxTLOffset: TPoint;

Max Top left offset for the last cell in the grid.

  HotCell: TPoint;

The current "hot" cell in the grid.

  HotCellPainted: Boolean;

True if the current "hot" cell has already been painted.

  HotGridZone: TGridZone;

GridZone for the last MouseMove.

  ClickCell: TPoint;

Cell coordinates for the last mouse click event.

  ClickMouse: TPoint;

Mouse coordinates for the last mouse click event.

  PushedCell: TPoint;

Cell coordinates for the cell drawn in the pushed state.

  PushedMouse: TPoint;

Mouse Coordinates for the cell drawn in the pushed state.

  ClickCellPushed: Boolean;

Indicates if the header cell is currently drawn in the pushed state.

  FullVisibleGrid: TRect;

Visible cells excluding partially visible cells.

  MouseCell: TPoint;

Cell which contains the mouse pointer.

  OldMaxTopLeft: TPoint;

Previous MaxTopleft (before column sizing).

end;

TCustomGrid.GCache

Contains cached data about the visual layout and state for the grid control.