public void DropDownControl(Control ctl)
{
Point location = new Point(Editor.Left, Editor.Bottom);
// location in screen coordinate
location = Editor.Parent.PointToScreen(location);
if (ddForm == null)
{
ddForm = new DropDownFormBase(this, (IDropDownControl)ctl);
}
ddForm.Visible = false;
Size size = new Size(Editor.Width, ctl.Height);
if (DropDownFormBorderStyle == FormBorderStyle.FixedSingle || DropDownFormBorderStyle == FormBorderStyle.FixedToolWindow)
{
size.Width = ddForm.Width;
}
// check the form is in the screen working area
Rectangle screenWorkingArea = Screen.FromControl(Editor).WorkingArea;
location.X = Math.Min(screenWorkingArea.Right - size.Width,
Math.Max(screenWorkingArea.X, location.X));
if (size.Height + location.Y + Editor.Height > screenWorkingArea.Bottom)
{
location.Y = location.Y - size.Height - Editor.Height - 1;
}
ddForm.Location = location;
ddForm.Size = size;
ddForm.Visible = true;
ctl.Visible = true;
if (set != null)
{
int index = -1;
if (Editor.Value != null)
{
index = set.IndexOf(Editor.Value);
}
BindingManagerBase cm = ddControl.Grid.BindingContext[set];
if (cm != null)
{
cm.Position = index;
}
}
((IDropDownControl)ctl).Grid.Focus();
}
public DropDownController(ChooserEditor editor, IDropDownControl ctl, CS bset, bool reload)
: base(editor, bset, reload)
{
ddControl = ctl;
ddForm = new DropDownFormBase(this, ddControl);
ddControl.Grid.DataSource = set;
ddControl.RowEntered += new EventHandler <EventArgs <int> >(ddControl_RowEntered);
ddControl.RowSelected += new EventHandler <EventArgs <int> >(ddControl_RowSelected);
ddControl.DropDownClosed += new EventHandler(ddControl_DropDownClosed);
Editor = editor;
Editor.ValueDropDown += Editor_ValueDropDown;
//Editor.ValueChanged += new EventHandler(Editor_ValueChanged);
}