private void BtnFindNode_Click(object sender, EventArgs e)
{
try
{
CheckTxtBox(TxtInputData.Text);
int data = Int32.Parse(TxtInputData.Text);
RefreshListbox();
string nodeLocated = aNode.Find(data).Data.ToString();
int index = ListBoxOutput.FindString($"[{nodeLocated}");
TxtInputData.Text = null;
TxtInputData.Focus();
ListBoxOutput.SetSelected(index, true);
MessageBox.Show($"Found Data Node [{nodeLocated}]", "Success", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
catch (FormatException ex)
{
MessageBox.Show($"{ex.Message.ToString()}", "Prøv igen", MessageBoxButtons.OK, MessageBoxIcon.Warning);
TxtInputData.SelectAll();
TxtInputData.Focus();
}
catch (NullReferenceException)
{
MessageBox.Show($"Node med nr. {TxtInputData.Text} findes ikke", "Prøv igen", MessageBoxButtons.OK, MessageBoxIcon.Warning);
TxtInputData.SelectAll();
TxtInputData.Focus();
}
}
private void BtnInsertAfter_Click(object sender, EventArgs e)
{
if (ListBoxOutput.SelectedItem == null)
{
MessageBox.Show("Select item from list box.");
}
else
{
try
{
CheckTxtBox(TxtInputData.Text);
int data = Int32.Parse(TxtInputData.Text);
CustomLinkedListNode selNode = aNode.Find(Int32.Parse(CleanListValue(ListBoxOutput)));
bool yup = aNode.InsertAfter(data, selNode);
RefreshListbox();
TxtInputData.Text = null;
TxtInputData.Focus();
MessageBox.Show($"Data [{data}], has been successfully added after first node with no. [{selNode.Data}]", "Success", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
catch (FormatException ex)
{
MessageBox.Show($"{ex.Message.ToString()}", "Prøv igen", MessageBoxButtons.OK, MessageBoxIcon.Warning);
TxtInputData.SelectAll();
TxtInputData.Focus();
}
catch (Exception ex)
{
MessageBox.Show($"{ex.Message.ToString()}", "Kritisk fejl", MessageBoxButtons.OK, MessageBoxIcon.Error);
TxtInputData.SelectAll();
TxtInputData.Focus();
}
}
}
private void BtnAddToLinkedList_Click(object sender, EventArgs e)
{
try
{
CheckTxtBox(TxtInputData.Text);
addNode.Add(Int32.Parse(TxtInputData.Text));
RefreshListbox();
TxtInputData.Text = null;
TxtInputData.Focus();
}
catch (FormatException ex)
{
MessageBox.Show($"{ex.Message.ToString()}", "Prøv igen", MessageBoxButtons.OK, MessageBoxIcon.Warning);
TxtInputData.SelectAll();
TxtInputData.Focus();
}
catch (Exception ex)
{
MessageBox.Show($"{ex.Message.ToString()}", "Kritisk fejl", MessageBoxButtons.OK, MessageBoxIcon.Error);
TxtInputData.SelectAll();
TxtInputData.Focus();
}
}
private void BtnRemoveNode_Click(object sender, EventArgs e)
{
try
{
CheckTxtBox(TxtInputData.Text);
aNode.Remove(Int32.Parse(TxtInputData.Text));
RefreshListbox();
TxtInputData.Text = null;
TxtInputData.Focus();
}
catch (FormatException ex)
{
MessageBox.Show($"{ex.Message.ToString()}", "Prøv igen", MessageBoxButtons.OK, MessageBoxIcon.Warning);
TxtInputData.SelectAll();
TxtInputData.Focus();
}
catch (NullReferenceException ex)
{
MessageBox.Show($"{ex.Message}", "Prøv igen", MessageBoxButtons.OK, MessageBoxIcon.Warning);
TxtInputData.SelectAll();
TxtInputData.Focus();
}
}
