private void Arrange(GridItemViewModel item)
{
int col;
int row;
int colSpan;
int rowSpan = 1;
do
{
col = random.Next(5);
colSpan = random.Next(4 - col) + 1;
row = random.Next(5);
} while (!EmptyCells(col, colSpan, row, rowSpan));
item.Col = col;
item.ColSpan = colSpan;
item.Row = row;
item.RowSpan = rowSpan;
}
public void DeleteItem(GridItemViewModel item)
{
items.Remove(item);
}