Tips and Tricks

Developer Express Components

• Calculating a grid column height, fixed or variable: 2012.04.24
  

  
  
  uses
  	cxGridCustomView, // cxGridTableView, cxDataUtils, 
  	cxGridCommon;
  
  var
  	cxGridLineCount: Integer = 3;
  
  type
  	THackPainter = class(TcxCustomGridPainter);
  
  procedure TForm.tvXXXGetCellHeight(Sender: TcxCustomGridTableView;
  	ARecord: TcxCustomGridRecord; AItem: TcxCustomGridTableItem;
  	ACellViewInfo: TcxGridTableDataCellViewInfo; var AHeight: Integer);
  var
  	h: integer;
  begin
   	if cxGridLineCount > 1 then // fixed ?
   	begin
  		h := AItem.CalculateDefaultCellHeight(THackPainter(Sender.Painter).Canvas, ACellViewInfo.Params.Font);
   		h := h - (2 * cxGridCommon.cxGridEditOffset);
  		AHeight := (h * cxGridLineCount);
  	end
  	else
  	begin // variable ?
  	end
  end;