// Event handlers to drag items out of Links Listbox ============================================
private void ListBoxLinks_MouseDown(object sender, MouseEventArgs e)
{
if (ListBoxLinks.Items.Count == 0)
{
return;
}
int index = ListBoxLinks.IndexFromPoint(e.X, e.Y);
string s = ListBoxLinks.Items[index].ToString();
DragDropEffects dde1 = DoDragDrop(s, DragDropEffects.All);
if (dde1 == DragDropEffects.All)
{
ListBoxLinks.Items.RemoveAt(ListBoxAssessments.IndexFromPoint(e.X, e.Y));
}
}
private void ListBoxAssessments_DragDrop(object sender, DragEventArgs e)
{
if (e.Data.GetDataPresent(DataFormats.StringFormat))
{
// Get string from object (the assessment name)
string assessment = (string)e.Data.GetData(DataFormats.StringFormat);
// Change text to remove [Linked]
int index = ListBoxAssessments.FindString(assessment, -1);
if (index > -1)
{
// Add item
ListBoxAssessments.Items.RemoveAt(index);
ListBoxAssessments.Items.Insert(index, assessment);
}
}
}
// Drag event handler for Assessments Listbox
private void ListBoxAssessments_MouseDown(object sender, MouseEventArgs e)
{
if (ListBoxAssessments.Items.Count == 0)
{
return;
}
int index = ListBoxAssessments.IndexFromPoint(e.X, e.Y);
string s = ListBoxAssessments.Items[index].ToString();
// Only allow drag for unlinked items -- Added in 1.3.1
if (!s.Contains("Linked") && (ListBoxLinks.Items.Count == 0))
{
DragDropEffects dde1 = DoDragDrop(s, DragDropEffects.All);
if (dde1 == DragDropEffects.All)
{
// Change item to show [Linked] -- Added at 1.3.1
ListBoxAssessments.Items.RemoveAt(index);
ListBoxAssessments.Items.Insert(index, s + " --- Linked");
}
}
}