public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
{
GenericCollection <WizardStep> steps = (GenericCollection <WizardStep>)value;
WizardControl owner = (WizardControl)steps.Owner;
IDesignerHost container = (IDesignerHost)context.Container;
int count = steps.Count;
object obj2 = base.EditValue(context, provider, value);
if (steps.Count >= count)
{
return(obj2);
}
SelectWizard(owner, container);
return(obj2);
}
///<summary>
///Initializes the designer with the specified component.
///</summary>
///
///<param name="component">The <see cref="T:System.ComponentModel.IComponent"></see> to associate with the designer. </param>
public override void Initialize(IComponent component)
{
base.Initialize(component);
AutoResizeHandles = true;
ISelectionService service = (ISelectionService)GetService(typeof(ISelectionService));
if (service != null)
{
service.SelectionChanged += OnSelectionChanged;
}
WizardControl control = (WizardControl)Control;
wizardDesignerActionList = new WizardDesignerActionList(control);
actionListCollection.Add(wizardDesignerActionList);
control.CurrentStepIndexChanged += CurrentStepIndexChanged;
control.WizardSteps.Inserted += RefreshComponent;
}
protected internal virtual void RemoveStep()
{
IDesignerHost service = (IDesignerHost)GetService(typeof(IDesignerHost));
if (WizardControl == null || service == null)
{
return;
}
if (MessageBox.Show(WizardControl.FindForm(), "Are you sure you want to remove the step?", "Remove Confirmation", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
{
WizardStep step = WizardControl.WizardSteps[WizardControl.CurrentStepIndex];
WizardControl.WizardSteps.Remove(step);
service.DestroyComponent(step);
step.Dispose();
}
SelectWizard();
}
private void OnSelectionChanged(object sender, EventArgs e)
{
ISelectionService service = (ISelectionService)GetService(typeof(ISelectionService));
if (service == null)
{
return;
}
isSelected = false;
ICollection selectedComponents = service.GetSelectedComponents();
if (selectedComponents == null)
{
return;
}
WizardControl control = (WizardControl)Control;
IEnumerator enumerator = selectedComponents.GetEnumerator();
if (enumerator == null)
{
return;
}
try
{
while (enumerator.MoveNext())
{
object current = enumerator.Current;
if (current == control)
{
isSelected = true;
break;
}
}
}
finally
{
IDisposable disposable = enumerator as IDisposable;
if (disposable != null)
{
disposable.Dispose();
}
}
}
///<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;
}
///<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;
}
}
private WizardStepDesigner GetDesigner()
{
WizardControl control = Control as WizardControl;
WizardStep component = null;
IDesignerHost service = null;
WizardStepDesigner designer = null;
if (control != null && control.WizardSteps.Count >= 0)
{
component = control.WizardSteps[control.CurrentStepIndex];
service = (IDesignerHost)GetService(typeof(IDesignerHost));
designer = null;
}
if (service == null)
{
return(designer);
}
if (component == null)
{
return(designer);
}
designer = (WizardStepDesigner)service.GetDesigner(component);
return(designer);
}
protected internal virtual void RemoveAllSteps()
{
IDesignerHost service = (IDesignerHost)GetService(typeof(IDesignerHost));
if (WizardControl == null || service == null)
{
return;
}
if (MessageBox.Show(WizardControl.FindForm(), "Are you sure you want to remove all the steps?", "Remove Confirmation", MessageBoxButtons.YesNo, MessageBoxIcon.Question) != DialogResult.Yes)
{
return;
}
WizardStep[] array = new WizardStep[WizardControl.WizardSteps.Count];
((ICollection)WizardControl.WizardSteps).CopyTo(array, 0);
WizardControl.WizardSteps.Clear();
WizardStep[] stepArray2 = array;
for (int index = 0; index < stepArray2.Length; index++)
{
WizardStep component = stepArray2[index];
service.DestroyComponent(component);
index++;
}
SelectWizard();
}