private void GridAdjacencyMatrix_CellClick(object sender, DataGridViewCellEventArgs e)
{
foreach (var arc in digraph.Arcs)
{
if (arc.StartVertex != e.RowIndex || arc.EndVertex != e.ColumnIndex)
{
continue;
}
ArcName.SelectedIndex = ArcName.Items.IndexOf(arc.ToString());
ArcLength.Text = arc.Length.ToString(CultureInfo.CurrentCulture);
return;
}
GridAdjacencyMatrix.ClearSelection();
ArcName.Text = (e.RowIndex + 1) + @"-" + (e.ColumnIndex + 1);
ArcLength.Text = @"Error";
}
private void ArcName_TextChanged(object sender, EventArgs e)
{
try
{
int start = int.Parse(ArcName.Text[0].ToString()) - 1;
int end = int.Parse(ArcName.Text[2].ToString()) - 1;
GridAdjacencyMatrix[end, start].Selected = true;
if (GridAdjacencyMatrix[end, start].Value.ToString() == "0")
{
ArcLength.Text = @"Error";
GridAdjacencyMatrix.ClearSelection();
}
else
{
ArcLength.Text = GridAdjacencyMatrix[end, start].Value.ToString();
}
}
catch (Exception) { ArcLength.Text = @"Error"; }
}