gcSpreadSheet1.Sheets[0].ColumnCount = 7;
gcSpreadSheet1.Sheets[0].RowCount = 34;
gcSpreadSheet1.Sheets[0].Cells[0, 0].Text = "Western";
gcSpreadSheet1.Sheets[0].Cells[0, 1].Text = "Western";
gcSpreadSheet1.Sheets[0].Cells[0, 2].Text = "Western";
gcSpreadSheet1.Sheets[0].Cells[1, 0].Text = "A";
gcSpreadSheet1.Sheets[0].Cells[1, 1].Text = "B";
gcSpreadSheet1.Sheets[0].Cells[1, 2].Text = "C";
gcSpreadSheet1.Sheets[0].Cells[2, 0].Text = "A";
gcSpreadSheet1.Sheets[0].Cells[2, 1].Text = "B";
gcSpreadSheet1.Sheets[0].Cells[2, 2].Text = "C";
gcSpreadSheet1.Sheets[0].RowRangeGroup.Group(0, 2);
//The following code removes the row range group
//gcSpreadSheet1.Sheets[0].RowRangeGroup.Ungroup(0, 2);
gcSpreadSheet1.Sheets[0].ColumnRangeGroup.Group(0, 1);
//The following code removes the column range group
//gcSpreadSheet1.Sheets[0].ColumnRangeGroup.Ungroup(0, 1);
gcSpreadSheet1.Invalidate();
private void button1_Click(object sender, RoutedEventArgs e)
{
gcSpreadSheet1.Sheets[0].RowRangeGroup.Expand(0, false);
gcSpreadSheet1.Sheets[0].ColumnRangeGroup.Expand(0, false);
gcSpreadSheet1.Invalidate();
}