DBGrid - colunas visiveis |
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Para ver quantas colunas tem numa Grid cria-se uma nova grid usando uma propriedade protected chamada VisibleRowCount:
type TMyGrid = class(TCustomGrid) function VisibleRowCount : integer; end;
function TMyGrid.VisibleRowCount : integer; begin result := inherited VisibleRowCount; end;
... ... StatusBar1.SimpleText := IntToStr(TMyGrid(DBgrid1).VisibleRowCount) + ' rows visible'; |