C#

Henry Minute wrote:

a more direct method?

Luc Pattyn wrote:

There is that little thingy called documentation[^]

this.lboxEntries.ClearSelected();
this.lboxEntries.Update();
this.data.Add(this.txtEditEntry.Text);
RefreshDataBoundControls();
this.lboxEntries.SelectedIndex = data.Count - 1;

public override void Test(int arg) {
    ListBox lb=new ListBox();
    lb.SelectionMode=SelectionMode.MultiExtended;
    for (int i=0; i<10; i++) lb.Items.Add(i.ToString());
    show(lb);
    lb.SetSelected(4,true);
    show(lb);
    for (int i=0; i<10; i+=3) lb.SetSelected(i, true);
    show(lb);
    lb.ClearSelected();
    show(lb);
    lb.Items.Add("aha");
    lb.SetSelected(lb.Items.Count-1, true);
    show(lb);
}

private void show(ListBox lb) {
    string s="lb holds "+lb.Items.Count+" items; selected indices: ";
    foreach (int index in lb.SelectedIndices) s+=" "+index;
    log(s+".");
}

17:09:03.395    CPTest.log-59                        lb holds 10 items; selected indices: .
17:09:03.415    CPTest.log-59                        lb holds 10 items; selected indices:  4.
17:09:03.437    CPTest.log-59                        lb holds 10 items; selected indices:  0 3 4 6 9.
17:09:03.462    CPTest.log-59                        lb holds 10 items; selected indices: .
17:09:03.481    CPTest.log-59                        lb holds 11 items; selected indices:  10.

private void frmNewTest_Load(object sender, EventArgs e)
    {
    lbTest.Items.Add("Hello1");
    lbTest.Items.Add("Hello2");
    lbTest.Items.Add("Hello3");
    lbTest.Items.Add("Hello4");
    lbTest.Items.Add("Hello5");
    lbTest.Items.Add("Hello6");
    lbTest.Items.Add("Hello7");
    }

private void butClear_Click(object sender, EventArgs e)
    {
    lbTest.ClearSelected();
    }

OriginalGriff wrote:

I thought

Luc Pattyn wrote:

You mean you knew.

OriginalGriff wrote:

What are you doing that is so different?

private void RefreshDataBoundControls()
{
    CurrencyManager cm = (CurrencyManager)BindingContext[this.data];
    cm.Refresh();
}

public List<string> Data
 {
     get
     {
         return this.data;
     }

     set
     {
         if (this.data != value)
         {
             this.data = value;
             this.lboxEntries.DataSource = value;
         }
     }
 }

    private List<string> data;
    private bool adding = false;

    public EntryEditor()
    {
        InitializeComponent();
    }

    private void RefreshDataBoundControls()
    {
        CurrencyManager cm = (CurrencyManager)BindingContext[this.data];
        cm.Refresh();
    }

    #region EntryEditor PROPERTIES .........................................
    public List<string> Data
    {
        get
        {
            return this.data;
        }

        set
        {
            if (this.data != value)
            {
                this.data = value;
                this.lboxEntries.DataSource = value;
            }
        }
    }
    #endregion

    private void lboxEntries_SelectedValueChanged(object sender, EventArgs e)
    {
        this.btnEdit.Enabled = false;
        this.btnDelete.Enabled = false;
        if (!this.adding)
        {
            this.txtEditEntry.Text = "";
        }
        switch (this.lboxEntries.SelectedItems.Count)
        {
            case 0:
                break;
            case 1:
                if (this.lboxEntries.SelectedIndex >= 0)
                {
                    this.txtEditEntry.Text = this.lboxEntries.SelectedValue.ToString();
                    this.btnEdit.Enabled = true;
                    this.btnDelete.Enabled = true;
                }
                break;
            default:
                this.btnDelete.Enabled = true;
                break;
        }
    }

    private void btnEdit_Click(object sender, EventArgs e)
    {
        this.data[this.lboxEntries.SelectedIndex] = this.txtEditEntry.Text;
        RefreshDataBoundControls();
    }

    private void btnDelete_Click(object sender, EventArgs e)
    {
        string[] selectedItems = new string[this.lboxEntries.SelectedItems.Count];
        this.lboxEntries.SelectedItems.CopyTo(selectedItems, 0);
        foreach (string s in selectedItems)
        {
            this.data.Remove(s);
            RefreshDataBoundControls();
        }
    }

    private void btnAdd_Click(object sender, EventArgs e)
    {
        this.adding = true;
        try
        {
            //this.lboxEntries.SelectionMode = SelectionMode.One;
            //this.lboxEntries.SelectedIndex = -1;
            this.lboxEntries.ClearSelected();
            this.lboxEntries.Update();
            this.data.Add(this.txtEditEntry.Text);
            RefreshDataBoundControls();
            this.lboxEntries.SelectedIndex = data.Count - 1;
            //this.lboxEntries.SelectionMode = SelectionMode.MultiExtended;
        }
        finally
        {
            this.adding = false;
        }
    }
}

this.data.Add(this.txtEditEntry.Text);
RefreshDataBoundControls();
this.lboxEntries.ClearSelected();  <============== Moved
this.lboxEntries.Update();  <===================== Moved
this.lboxEntries.SelectedIndex = data.Count - 1;

this.data.Add(this.txtEditEntry.Text);
//RefreshDataBoundControls();      <============== Disabled
this.lboxEntries.ClearSelected();
//this.lboxEntries.Update();  <=================== Disabled
this.lboxEntries.SelectedIndex = data.Count - 1;

OriginalGriff wrote:

What are you doing that is so different?