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sibar

How to remove all rows in a StringGrid and update UI

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I'm not able to clear all rows in a Tw3StringGrid. It doesn't work to set DataGrid.RowCount := 0. All rows are gone but the UI will not update before I add another row.

Below is the code I use now, but always leaves me with one row.

  DataGrid.BeginUpdate();
  try
    DataGrid.RowCount := 0;
  finally
    DataGrid.EndUpdate;
  end;

  DataGrid.BeginUpdate();
  try
    DataGrid.RowCount := 1;
  finally
    DataGrid.EndUpdate;
  end;

 

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