public DNDForm()
{
test_name = new Label();
test_name.Location = new Point(5, 5);
test_name.AutoSize = true;
test_name.Font = new Font(Font, FontStyle.Bold | Font.Style);
test_name.Text = Text;
instructions_tb = new TextBox();
instructions_tb.Multiline = true;
instructions_tb.ScrollBars = ScrollBars.Vertical;
instructions_tb.Location = new Point(5, test_name.Bottom + 5);
instructions_tb.Size = new Size(460, 180);
drag_control = new DragDropControl();
drag_control.Location = new Point(5, instructions_tb.Bottom + 10);
drag_control.Size = new Size(220, 180);
drag_control.BackColor = Color.LightYellow;
drag_control.DragDropColor = Color.Yellow;
drag_control.Text = "Drag Control";
drag_control.DoDrag = true;
drop_control = new DragDropControl();
drop_control.Location = new Point(drag_control.Right + 20, instructions_tb.Bottom + 10);
drop_control.Size = new Size(220, 180);
drop_control.BackColor = Color.LightGreen;
drop_control.DragDropColor = Color.Green;
drop_control.Text = "Drop Control";
drop_control.AllowDrop = true;
Controls.AddRange(new Control [] { test_name, instructions_tb, drag_control, drop_control });
Size = new Size(480, 440);
}
void DragControl_QueryContinueDrag(object sender, QueryContinueDragEventArgs e)
{
DragDropControl c = (DragDropControl)sender;
DNDForm f = (DNDForm)c.Parent;
if (f.DropControl.EnterFiredCount == 0)
{
return;
}
// Cancel dnd operation AFTER we have reached the drop control
if (query_counter++ >= 32)
{
e.Action = DragAction.Cancel;
}
}
public DNDForm ()
{
test_name = new Label ();
test_name.Location = new Point (5, 5);
test_name.AutoSize = true;
test_name.Font = new Font (Font, FontStyle.Bold | Font.Style);
test_name.Text = Text;
instructions_tb = new TextBox ();
instructions_tb.Multiline = true;
instructions_tb.ScrollBars = ScrollBars.Vertical;
instructions_tb.Location = new Point (5, test_name.Bottom + 5);
instructions_tb.Size = new Size (460, 180);
drag_control = new DragDropControl ();
drag_control.Location = new Point (5, instructions_tb.Bottom + 10);
drag_control.Size = new Size (220, 180);
drag_control.BackColor = Color.LightYellow;
drag_control.DragDropColor = Color.Yellow;
drag_control.Text = "Drag Control";
drag_control.DoDrag = true;
drop_control = new DragDropControl ();
drop_control.Location = new Point (drag_control.Right + 20, instructions_tb.Bottom + 10);
drop_control.Size = new Size (220, 180);
drop_control.BackColor = Color.LightGreen;
drop_control.DragDropColor = Color.Green;
drop_control.Text = "Drop Control";
drop_control.AllowDrop = true;
Controls.AddRange (new Control [] { test_name, instructions_tb, drag_control, drop_control });
Size = new Size (480, 440);
}
void DragControl_MouseDown(object sender, MouseEventArgs e)
{
DragDropControl ctrl = (DragDropControl)sender;
ctrl.DoDragDrop(ctrl.DragData, ctrl.AllowedEffects);
}
void DropControl_DragDrop(object sender, DragEventArgs e)
{
DragDropControl c = (DragDropControl)sender;
c.ResetEventCounters();
}
