internal void RemovePageFromWizard(WizardPage page)
{
IDesignerHost h = this.DesignerHost;
IComponentChangeService c = this.ComponentChangeService;
if (h == null || c == null)
{
throw new ArgumentNullException("Both IDesignerHost and IComponentChangeService arguments cannot be null.");
}
if (WizardControl == null || !WizardControl.Pages.Contains(page))
{
return;
}
DesignerTransaction dt = null;
try
{
dt = h.CreateTransaction("Remove Wizard Page");
MemberDescriptor member = TypeDescriptor.GetProperties(this.WizardControl)["Pages"];
base.RaiseComponentChanging(member);
if (page.Owner != null)
{
//c.OnComponentChanging(page.Owner, null);
page.Owner.Pages.Remove(page);
//c.OnComponentChanged(page.Owner, null, null, null);
h.DestroyComponent(page);
}
else
{
//c.OnComponentChanging(page, null);
page.Dispose();
//c.OnComponentChanged(page, null, null, null);
}
base.RaiseComponentChanged(member, null, null);
}
finally
{
if (dt != null)
{
dt.Commit();
}
}
RefreshDesigner();
}
internal void RemovePageFromWizard(WizardPage page)
{
var h = DesignerHost;
var c = ComponentChangeService;
if (h == null || c == null)
{
throw new ArgumentException("Both IDesignerHost and IComponentChangeService arguments cannot be null.");
}
if (Control == null || !Control.Pages.Contains(page))
{
return;
}
DesignerTransaction dt = null;
try
{
dt = h.CreateTransaction("Remove Wizard Page");
MemberDescriptor member = TypeDescriptor.GetProperties(Control)["Pages"];
RaiseComponentChanging(member);
if (page.Owner != null)
{
page.Owner.Pages.Remove(page);
h.DestroyComponent(page);
}
else
{
page.Dispose();
}
RaiseComponentChanged(member, null, null);
}
finally
{
dt?.Commit();
}
RefreshDesigner();
}
