Ejemplo n.º 1
0
        ///<summary>
        ///Called when a drag-and-drop operation enters the control designer view.
        ///</summary>
        ///
        ///<param name="de">A <see cref="T:System.Windows.Forms.DragEventArgs"></see> that provides data for the event. </param>
        protected override void OnDragEnter(DragEventArgs de)
        {
            WizardControl control = (WizardControl)Control;

            if (control.WizardSteps.Count <= 0)
            {
                base.OnDragEnter(de);
                return;
            }
            WizardStep step            = control.WizardSteps[control.CurrentStepIndex];
            Point      pt              = step.PointToClient(new Point(de.X, de.Y));
            Rectangle  clientRectangle = step.ClientRectangle;

            if (!clientRectangle.Contains(pt))
            {
                base.OnDragEnter(de);
                return;
            }
            GetWizardStepDesigner(step).OnDragEnterInternal(de);
            forwardOnDrag = true;
        }
Ejemplo n.º 2
0
        ///<summary>
        ///Called when a drag-and-drop object is dragged over the control designer view.
        ///</summary>
        ///
        ///<param name="de">A <see cref="T:System.Windows.Forms.DragEventArgs"></see> that provides data for the event. </param>
        protected override void OnDragOver(DragEventArgs de)
        {
            WizardControl control = Control as WizardControl;

            if (control == null || control.WizardSteps.Count <= 0)
            {
                de.Effect = DragDropEffects.None;
                return;
            }
            WizardStep         step = control.WizardSteps[control.CurrentStepIndex];
            Point              pt   = step.PointToClient(new Point(de.X, de.Y));
            WizardStepDesigner wizardStepDesigner = GetWizardStepDesigner(step);
            Rectangle          clientRectangle    = step.ClientRectangle;

            if (!clientRectangle.Contains(pt))
            {
                if (!forwardOnDrag)
                {
                    de.Effect = DragDropEffects.None;
                    return;
                }
                forwardOnDrag = false;
                wizardStepDesigner.OnDragLeaveInternal(EventArgs.Empty);
                base.OnDragEnter(de);
                return;
            }
            else
            {
                if (!forwardOnDrag)
                {
                    base.OnDragLeave(EventArgs.Empty);
                    wizardStepDesigner.OnDragEnterInternal(de);
                    forwardOnDrag = true;
                    return;
                }
                wizardStepDesigner.OnDragOverInternal(de);
                return;
            }
        }