/// <summary>
/// Adds the specified number of rows to the bottom of the table.
/// </summary>
/// <param name="count">The number of rows to add to the bottom of the table.</param>
/// <param name="headerTexts">Optional strings to apply to the header labels of the new rows.</param>
/// <exception cref="ArgumentOutOfRangeException">Thrown when <paramref name="count"/> is less than 0.</exception>
public void AddRows(int count, params string[] headerTexts)
{
if (count < 0)
{
throw new ArgumentOutOfRangeException("count", "Value cannot be less than 0.");
}
var list = RowHeaders.ToList();
int currentCount = list.Count;
for (int i = 0; i < count; i++)
{
var label = new Label();
label.Text = headerTexts != null && headerTexts.Length > i ? headerTexts[i] : null;
label.HorizontalAlignment = HorizontalAlignment.Left;
label.VerticalAlignment = VerticalAlignment.Center;
NativeCell.AddChild(label);
list.Add(label);
}
RowHeaders = new ReadOnlyCollection <Label>(list);
for (int i = 0; i < columnControls.Length; i++)
{
var cc = columnControls[i];
Array.Resize(ref cc, RowCount);
}
}
/// <summary>
/// Removes the specified number of rows from the bottom of the table.
/// </summary>
/// <param name="count">The number of rows to remove from the bottom of the table.</param>
/// <exception cref="ArgumentOutOfRangeException">Thrown when <paramref name="count"/> is less than 0 -or-
/// when <paramref name="count"/> is greater than the number of rows currently in the table.</exception>
public void RemoveRows(int count)
{
if (count < 0)
{
throw new ArgumentOutOfRangeException("count", "Value cannot be less than 0.");
}
if (count > RowCount)
{
throw new ArgumentOutOfRangeException("count", "Value cannot be greater than the number of rows currently in the table.");
}
var list = RowHeaders.ToList();
for (int i = list.Count - 1; i >= list.Count - count; i--)
{
NativeCell.RemoveChild(list[i]);
list.RemoveAt(i);
foreach (var cc in columnControls)
{
NativeCell.RemoveChild(cc[i]);
}
}
for (int i = 0; i < columnControls.Length; i++)
{
Array.Resize(ref columnControls[i], RowCount - count);
}
RowHeaders = new ReadOnlyCollection <Label>(list);
}
private void Button_Click(object sender, RoutedEventArgs e)
{
var random = new Random();
var row = random.Next(50, 100);
var col = random.Next(50, 100);
RowHeaders.Clear();
Enumerable.Range(0, row).ToList()
.ForEach(r => RowHeaders.Add($"R{r}"));
ColumnHeaders.Clear();
Enumerable.Range(0, col).ToList()
.ForEach(c => ColumnHeaders.Add($"C{c}"));
Items.Clear();
RowHeaders.ToList()
.ForEach(r => Items.Add(new ObservableCollection <string>(ColumnHeaders.Select(c => $"{c}-{r}"))));
}
