/// <summary>
/// Event handler for the "Remove Tab" verb.
/// </summary>
/// <param name="dh"></param>
/// <param name="panel"></param>
private static void RemovePage(IDesignerHost dh, MultiPanel panel)
{
MultiPanelPage page = panel.SelectedPage;
if (page == null)
return;
DesignerTransaction dt = dh.CreateTransaction("Removed page");
panel.Controls.Remove(page);
dh.DestroyComponent(page);
panel.SelectedPage = panel.Controls.Count > 0 ? (MultiPanelPage)panel.Controls[0] : null;
dt.Commit();
}
private void OnComponentRemoving(object sender, ComponentEventArgs e)
{
// If our control is being removed
if (e.Component == _gallery)
{
// Need access to host in order to delete a component
IDesignerHost host = (IDesignerHost)GetService(typeof(IDesignerHost));
// We need to remove all the range instances
for (int i = _gallery.DropButtonRanges.Count - 1; i >= 0; i--)
{
KryptonGalleryRange dropRange = _gallery.DropButtonRanges[i];
_gallery.DropButtonRanges.Remove(dropRange);
host.DestroyComponent(dropRange);
}
}
}
private void OnComponentRemoving(object sender, ComponentEventArgs e)
{
// If our item collection is being removed
if ((_contextMenuItems != null) && (e.Component == _contextMenuItems))
{
// Need access to host in order to delete a component
IDesignerHost host = (IDesignerHost)GetService(typeof(IDesignerHost));
// We need to remove all items from the item collection
for (int j = _contextMenuItems.Items.Count - 1; j >= 0; j--)
{
Component item = _contextMenuItems.Items[j] as Component;
_contextMenuItems.Items.Remove(item);
host.DestroyComponent(item);
}
}
}
/// <summary>
/// Removes controls of type T from the form.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="host">The idesigner host</param>
/// <param name="showWarning">if set to <c>true</c> [show warning].</param>
public static void Host_Components_Remove <T>(IDesignerHost host, bool showWarning = false) where T : Component
{
var components = Host_Controls_All <T>(host);
if (showWarning && components.Count > 0)
{
var msg = "This will remove " + typeof(T).ToString() + ". Continue?";
if (MessageBox_YesNo(msg) == false)
{
return;
}
}
foreach (var component in components)
{
host.DestroyComponent(component);
}
}
private void OnComponentRemoving(object sender, ComponentEventArgs e)
{
// If our group is being removed
if (e.Component == _ribbonGroup)
{
// Need access to host in order to delete a component
IDesignerHost host = (IDesignerHost)GetService(typeof(IDesignerHost));
// We need to remove all containers from the group
for (int j = _ribbonGroup.Items.Count - 1; j >= 0; j--)
{
KryptonRibbonGroupContainer item = _ribbonGroup.Items[j] as KryptonRibbonGroupContainer;
_ribbonGroup.Items.Remove(item);
host.DestroyComponent(item);
}
}
}
protected internal virtual void RemoveStep()
{
IDesignerHost service = (IDesignerHost)this.GetService(typeof(IDesignerHost));
if (this.WizardControl == null || service == null)
{
return;
}
if (MessageBox.Show(this.WizardControl.FindForm(), "Are you sure you want to remove the step?", "Remove Confirmation", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
{
WizardStep step = this.WizardControl.WizardSteps[this.WizardControl.CurrentStepIndex];
this.WizardControl.WizardSteps.Remove(step);
service.DestroyComponent(step);
step.Dispose();
}
this.SelectWizard();
}
private object Transaction_RemovePage(IDesignerHost theHost, object theParam)
{
if (this.mySelectedPage != null)
{
MemberDescriptor member = TypeDescriptor.GetProperties(this.DesignedControl)["Controls"];
base.RaiseComponentChanging(member);
try
{
theHost.DestroyComponent(this.mySelectedPage);
}
catch
{
}
base.RaiseComponentChanged(member, null, null);
}
return(null);
}
public void ClearComponents()
{
bLoading = true;
IDesignerHost host = (IDesignerHost)dsf.GetService(typeof(IDesignerHost));
if (host != null)
{
ComponentCollection cc = host.Container.Components;
foreach (IComponent c in cc)
{
if (c != root)
{
host.DestroyComponent(c);
}
}
}
}
private void OnComponentRemoving(object sender, ComponentEventArgs e)
{
// If our tab is being removed
if (e.Component == _ribbonTab)
{
// Need access to host in order to delete a component
IDesignerHost host = (IDesignerHost)GetService(typeof(IDesignerHost));
// We need to remove all the groups from the tab
for (int i = _ribbonTab.Groups.Count - 1; i >= 0; i--)
{
KryptonRibbonGroup group = _ribbonTab.Groups[i];
_ribbonTab.Groups.Remove(group);
host.DestroyComponent(group);
}
}
}
/// <summary>
/// Event handler for the "Remove Tab" verb.
/// </summary>
/// <param name="sender">
/// The sender.
/// </param>
/// <param name="ea">
/// Some <see cref="EventArgs"/>.
/// </param>
private void RemoveTab(object sender, EventArgs ea)
{
IDesignerHost dh = ( IDesignerHost )GetService(typeof(IDesignerHost));
if (dh != null)
{
int i = ytc.SelectedIndex;
if (i > -1)
{
YaTabPage ytp = ytc.SelectedTab;
ytc.Controls.Remove(ytp);
dh.DestroyComponent(ytp);
RaiseComponentChanging(TypeDescriptor.GetProperties(Control)["SelectedIndex"]);
RaiseComponentChanged(TypeDescriptor.GetProperties(Control)["SelectedIndex"], i, 0);
}
}
}
/// <summary>
/// Event handler for the "Remove Tab" verb.
/// </summary>
/// <param name="dh"></param>
/// <param name="panel"></param>
private static void RemovePage(IDesignerHost dh, MultiPanel panel)
{
MultiPanelPage page = panel.SelectedPage;
if (page == null)
{
return;
}
DesignerTransaction dt = dh.CreateTransaction("Removed page");
panel.Controls.Remove(page);
dh.DestroyComponent(page);
panel.SelectedPage = panel.Controls.Count > 0 ? (MultiPanelPage)panel.Controls[0] : null;
dt.Commit();
}
public override void Undo (UndoEngine engine)
{
IDesignerHost host = engine.GetRequiredService (typeof (IDesignerHost)) as IDesignerHost;
if (_added) {
// Console.WriteLine ("Component*Add*RemoveAction.Undo (" + _componentName + ")");
IComponent component = host.Container.Components[_componentName];
if (component != null) // the component might have been destroyed already
host.DestroyComponent (component);
_added = false;
} else {
// Console.WriteLine ("ComponentAdd*Remove*Action.Undo (" + _componentName + ")");
ComponentSerializationService serializationService = engine.GetRequiredService (
typeof (ComponentSerializationService)) as ComponentSerializationService;
serializationService.DeserializeTo (_serializedComponent, host.Container);
_added = true;
}
}
private void OnComponentRemoved(object sender, ComponentEventArgs ce)
{
if (ce.Component is GradientEditorControl)
{
GradientEditorControl host = (GradientEditorControl)ce.Component;
IDesignerHost designHost = (IDesignerHost)GetService(typeof(IDesignerHost));
// remove our gradient key components
// so they are not left in the serialized form definition
foreach (Component c in host.mGradientKeyCollection)
{
if (c != null)
{
designHost.DestroyComponent(c);
}
}
}
}
protected override void DisposeManagedResources()
{
if (this.site != null && this.site.DesignMode)
{
IDesignerHost service = this.site.GetService(typeof(IDesignerHost)) as IDesignerHost;
if (service != null)
{
try
{
service.DestroyComponent((IComponent)this);
}
catch (InvalidOperationException ex)
{
}
}
}
base.DisposeManagedResources();
}
private object Transaction_RemovePage(IDesignerHost theHost, object theParam)
{
if (selectedPage == null)
{
return(null);
}
MultiLayerPanel aCtl = DesignedControl;
MemberDescriptor aMember_Controls = TypeDescriptor.GetProperties(aCtl)["Controls"];
RaiseComponentChanging(aMember_Controls);
try
{
theHost.DestroyComponent(selectedPage);
}
catch { }
RaiseComponentChanged(aMember_Controls, null, null);
return(null);
}
private void OnComponentRemoving(object sender, ComponentEventArgs e)
{
// If our sequence is being removed
if (e.Component == _sequence)
{
// Need access to host in order to delete a component
IDesignerHost host = (IDesignerHost)GetService(typeof(IDesignerHost));
// Climb the workspace item tree to get the top most sequence
KryptonWorkspace workspace = null;
IWorkspaceItem workspaceItem = _sequence;
while (workspaceItem.WorkspaceParent != null)
{
workspaceItem = workspaceItem.WorkspaceParent;
}
// Grab the workspace control that contains the top most sequence
if ((workspaceItem != null) && (workspaceItem is KryptonWorkspaceSequence))
{
KryptonWorkspaceSequence sequence = (KryptonWorkspaceSequence)workspaceItem;
workspace = sequence.WorkspaceControl;
}
// We need to remove all children from the sequence
for (int j = _sequence.Children.Count - 1; j >= 0; j--)
{
Component comp = _sequence.Children[j] as Component;
// If the component is a control...
if ((comp is Control) && (workspace != null))
{
// We need to manually remove it from the workspace controls collection
KryptonReadOnlyControls readOnlyControls = (KryptonReadOnlyControls)workspace.Controls;
readOnlyControls.RemoveInternal(comp as Control);
}
host.DestroyComponent(comp);
// Must remove the child after it has been destroyed otherwise the component destroy method
// will not be able to climb the sequence chain to find the parent workspace instance
_sequence.Children.Remove(comp);
}
}
}
internal void RemovePageFromWizard(WizardPage page)
{
IDesignerHost h = DesignerHost;
IComponentChangeService 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"];
base.RaiseComponentChanging(member);
if (page.Owner != null)
{
page.Owner.Pages.Remove(page);
h.DestroyComponent(page);
}
else
{
page.Dispose();
}
base.RaiseComponentChanged(member, null, null);
}
finally
{
if (dt != null)
{
dt.Commit();
}
}
RefreshDesigner();
}
private void OnRemove(object sender, EventArgs eevent)
{
HorizontalTabs tabs = (HorizontalTabs)base.Component;
if ((tabs == null) || (tabs.Tabs.Count == 0))
{
return;
}
MemberDescriptor descriptor1 = TypeDescriptor.GetProperties(base.Component)["Controls"];
HorizontalTab page1 = tabs.SelectedTab;
IDesignerHost host1 = (IDesignerHost)this.GetService(typeof(IDesignerHost));
if (host1 == null)
{
return;
}
DesignerTransaction transaction1 = null;
try
{
try
{
transaction1 = host1.CreateTransaction("RemoveTabTransaction");
base.RaiseComponentChanging(descriptor1);
}
catch (CheckoutException exception1)
{
if (exception1 != CheckoutException.Canceled)
{
throw exception1;
}
return;
}
host1.DestroyComponent(page1);
base.RaiseComponentChanged(descriptor1, null, null);
}
finally
{
if (transaction1 != null)
{
transaction1.Commit();
}
}
}
private void ReactToMouseClick(int messageType)
{
if (Control.TabPages.Count != 0)
{
Point point = Control.PointToClient(Cursor.Position);
int pageByPoint = Control.GetPageByPoint(point);
if (pageByPoint != -1)
{
MultitabPage tabPage = Control.TabPages[pageByPoint];
if (messageType == 0x201)
{
Control.SelectTab(tabPage);
}
else if (messageType == 0x207)
{
IDesignerHost service = (IDesignerHost)GetService(typeof(IDesignerHost));
Control.CloseTab(tabPage);
service.DestroyComponent(tabPage);
}
}
else if (Control.DropDownButton.Bounds.Contains(point))
{
Control.ActivePagesMenu.Items.Clear();
for (int i = 0; i < Control.TabPages.Count; i++)
{
Control.ActivePagesMenu.Items.Add(Control.TabPages[i].Text, null, Control.TabClicked).Tag =
Control.TabPages[i];
}
Control.ActivePagesMenu.Show(Control, Control.DropDownButton.Left,
Control.DropDownButton.Top + Control.DropDownButton.Height);
}
else if (Control.CloseButton.Bounds.Contains(point))
{
Control.CloseTab(Control.SelectedTab);
}
else if (((pageByPoint == -1) && (messageType == 0x207)) && (Control.TabPages.Count > 0))
{
IDesignerHost host2 = (IDesignerHost)GetService(typeof(IDesignerHost));
MultitabPage selectedTab = Control.SelectedTab;
Control.CloseTab(selectedTab);
host2.DestroyComponent(selectedTab);
}
}
}
public void DeleteSelectedComponents()
{
try
{
bool bSaved = false;
ISelectionService ss = (ISelectionService)dsf.GetService(typeof(ISelectionService));
if (ss != null)
{
ICollection cc = ss.GetSelectedComponents();
if (cc != null)
{
IDesignerHost host = (IDesignerHost)dsf.GetService(typeof(IDesignerHost));
if (host != null)
{
CreateUndoTransaction("deleteSelectedComponent");
foreach (object v in cc)
{
if (v is System.ComponentModel.IComponent)
{
if (v != host.RootComponent)
{
if (!bSaved)
{
bSaved = true;
bLoading = true;
bLoading = false;
}
host.DestroyComponent((System.ComponentModel.IComponent)v);
}
}
}
root.Changed = true;
CommitUndoTransaction("deleteSelectedComponent");
}
}
}
}
catch (Exception err)
{
MathNode.Log(this.FindForm(), err);
RollbackUndoTransaction("deleteSelectedComponent");
}
}
protected override void DisposeManagedResources()
{
if (this.site != null && this.site.DesignMode)
{
IDesignerHost host = this.site.GetService(typeof(IDesignerHost)) as IDesignerHost;
if (host != null)
{
try
{
host.DestroyComponent(this);
}
catch (InvalidOperationException)//fixed VS2010 inherit controls issue
{
}
}
}
base.DisposeManagedResources();
}
void ExecuteDel(object sender, EventArgs e)
{
if (VobState.GetMainPropertyGridFocus != null)
{
if (VobState.GetMainPropertyGridFocus())
{
if (VobState.SendDeleteToMainPropertyGridTextEditor != null)
{
VobState.SendDeleteToMainPropertyGridTextEditor(this, EventArgs.Empty);
}
return;
}
}
ISelectionService ss = (ISelectionService)this.GetService(typeof(ISelectionService));
if (ss != null)
{
ICollection cc = ss.GetSelectedComponents();
if (cc != null)
{
IDesignerHost host = (IDesignerHost)this.GetService(typeof(IDesignerHost));
if (host != null)
{
using (DesignerTransaction trans = host.CreateTransaction("Delete " + cc.Count + " component(s)"))
{
foreach (object v in cc)
{
if (v is System.ComponentModel.IComponent)
{
if (v != host.RootComponent)
{
host.DestroyComponent((System.ComponentModel.IComponent)v);
}
}
}
trans.Commit();
enableUndoMenu();
}
}
}
}
}
public void DestroyComponent(IComponent component)
{
try
{
IDesignerHost host = this.Host;
if (null == host)
{
return;
}
if (null == host.RootComponent)
{
return;
}
host.DestroyComponent(component);
}
catch (Exception ex)
{
throw new Exception("::DestroyComponent() - Exception: (see Inner Exception)", ex);
}
}
private void RemoveBasePanel(object sender, EventArgs ea)
{
if (this.m_DockPanel.BasePanels.Count <= 1)
{
GISShare.Controls.WinForm.WFNew.Forms.TBMessageBox.Show("一个停靠面板（DockPanel）中至少要有一个基础面板（BasePanel）项，否则可能会出现异常！"); return;
}
//
IDesignerHost host = (IDesignerHost)GetService(typeof(IDesignerHost));
if (host != null)
{
BasePanel basePanel = this.m_DockPanel.SelectedBasePanel;//key
if (basePanel == null)
{
return;
}
this.m_DockPanel.BasePanels.Remove(basePanel);
host.DestroyComponent(basePanel);
}
}
/// <summary>
/// Initializes the layout engine of the Navigation pane
/// </summary>
/// <exception cref="System.SystemException">Invalid value for property LayoutStyle</exception>
private void InitializeLayout()
{
if (designingControl.NaviLayout != null)
{
host.DestroyComponent(designingControl.NaviLayout);
}
switch (designingControl.LayoutStyle)
{
case NaviLayoutStyle.Office2003Blue:
case NaviLayoutStyle.Office2007Silver:
case NaviLayoutStyle.Office2007Black:
case NaviLayoutStyle.Office2007Blue:
break;
default:
throw new SystemException("Invalid value for property LayoutStyle");
}
designingControl.Invalidate();
}
protected virtual void RemoveTab()
{
if (!(this.Control is TabView))
{
return;
}
IDesignerHost designerHost = (IDesignerHost)this.GetService(typeof(IDesignerHost));
TabView tabView = this.Control as TabView;
TabPanel tabPanel = null;
if (tabView.SelectedTab != null)
{
tabPanel = tabView.SelectedTab;
}
if (designerHost == null || tabPanel == null)
{
return;
}
using (DesignerTransaction transaction = designerHost.CreateTransaction($"Remove tab from \"{tabView.Name}\""))
{
try
{
PropertyDescriptor controlsProperty = TypeDescriptor.GetProperties(tabView)[nameof(tabView.Controls)];
this.RaiseComponentChanging(controlsProperty);
designerHost.DestroyComponent(tabPanel);
this.RaiseComponentChanged(controlsProperty, null, null);
tabView.UpdateLayout();
tabView.Refresh();
transaction.Commit();
}
catch
{
transaction.Cancel();
}
}
}
/*
* DestroyNavigationPane
*/
/// <summary>
/// </summary>
/// <exception cref="ArgumentNullException">
/// <para>
/// <paramref name="navigationPaneToDestroy"/> is <see langword="null"/>.
/// </para>
/// </exception>
protected void DestroyNavigationPane(NuGenNavigationPane navigationPaneToDestroy)
{
if (navigationPaneToDestroy == null)
{
throw new ArgumentNullException("navigationPaneToDestroy");
}
IDesignerHost host = (IDesignerHost)this.GetService(typeof(IDesignerHost));
if (host != null)
{
DesignerTransaction transaction = null;
try
{
try
{
transaction = host.CreateTransaction("NuGenNavigationBar.RemoveNavigationPane");
}
catch (CheckoutException e)
{
if (e != CheckoutException.Canceled)
{
throw;
}
return;
}
_navigationBar.NavigationPanes.Remove(navigationPaneToDestroy);
host.DestroyComponent(navigationPaneToDestroy);
}
finally
{
if (transaction != null)
{
transaction.Commit();
}
}
}
}
/// <summary>
/// </summary>
/// <exception cref="ArgumentNullException">
/// <para>
/// <paramref name="tabPageToDestroy"/> is <see langword="null"/>.
/// </para>
/// </exception>
protected void DestroyTabPage(NuGenTabPage tabPageToDestroy)
{
if (tabPageToDestroy == null)
{
throw new ArgumentNullException("tabPageToDestroy");
}
IDesignerHost host = (IDesignerHost)this.GetService(typeof(IDesignerHost));
if (host != null)
{
DesignerTransaction transaction = null;
try
{
try
{
transaction = host.CreateTransaction("NuGenTabControl.RemoveTabPage");
}
catch (CheckoutException e)
{
if (e != CheckoutException.Canceled)
{
throw;
}
return;
}
_tabControl.TabPages.Remove(tabPageToDestroy);
host.DestroyComponent(tabPageToDestroy);
}
finally
{
if (transaction != null)
{
transaction.Commit();
}
}
}
}
public override void Undo(UndoEngine engine)
{
if (this._nextUndoAdds)
{
IDesignerHost requiredService = engine.GetRequiredService(typeof(IDesignerHost)) as IDesignerHost;
if (requiredService != null)
{
engine._serializationService.DeserializeTo(this._serializedData, requiredService.Container);
}
}
else
{
IDesignerHost host2 = engine.GetRequiredService(typeof(IDesignerHost)) as IDesignerHost;
IComponent component = host2.Container.Components[this._componentName];
if (component != null)
{
host2.DestroyComponent(component);
}
}
this._nextUndoAdds = !this._nextUndoAdds;
}
private static void RemoveTab(DetailsTemplatesSurface designSurface)
{
UIService uiservice = null;
IDesignerHost designerHost = designSurface.GetService(typeof(IDesignerHost)) as IDesignerHost;
if (designerHost != null)
{
uiservice = (designerHost.GetService(typeof(UIService)) as UIService);
}
if (uiservice != null)
{
if (designSurface.TemplateTab.Controls.Count <= 1)
{
uiservice.ShowMessage(Strings.CannotDeletePage);
return;
}
TabPage selectedTab = designSurface.TemplateTab.SelectedTab;
if (selectedTab != null)
{
DialogResult dialogResult = uiservice.ShowMessage(Strings.ConfirmDeleteTab(selectedTab.Text), UIService.DefaultCaption, MessageBoxButtons.OKCancel);
if (dialogResult == DialogResult.OK)
{
DesignerTransaction designerTransaction = null;
try
{
designerTransaction = designerHost.CreateTransaction("TabControlRemoveTabPage" + designSurface.TemplateTab.Site.Name);
designerHost.DestroyComponent(selectedTab);
}
finally
{
if (designerTransaction != null)
{
designerTransaction.Commit();
}
}
designSurface.DataContext.IsDirty = true;
}
}
}
}
private void OnRemove(object sender, EventArgs eevent)
{
TabControl component = (TabControl)base.Component;
if ((component != null) && (component.TabPages.Count != 0))
{
MemberDescriptor member = TypeDescriptor.GetProperties(base.Component)["Controls"];
TabPage selectedTab = component.SelectedTab;
IDesignerHost service = (IDesignerHost)this.GetService(typeof(IDesignerHost));
if (service != null)
{
DesignerTransaction transaction = null;
try
{
try
{
transaction = service.CreateTransaction(System.Design.SR.GetString("TabControlRemoveTab", new object[] { selectedTab.Site.Name, base.Component.Site.Name }));
base.RaiseComponentChanging(member);
}
catch (CheckoutException exception)
{
if (exception != CheckoutException.Canceled)
{
throw exception;
}
return;
}
service.DestroyComponent(selectedTab);
base.RaiseComponentChanged(member, null, null);
}
finally
{
if (transaction != null)
{
transaction.Commit();
}
}
}
}
}
private object Transaction_RemovePage(IDesignerHost theHost, object theParam)
{
if (this.mySelectedPage != null)
{
MemberDescriptor member = TypeDescriptor.GetProperties(this.DesignedControl)["Controls"];
base.RaiseComponentChanging(member);
try
{
theHost.DestroyComponent(this.mySelectedPage);
}
catch
{
}
base.RaiseComponentChanged(member, null, null);
}
return null;
}
/// <summary>
/// Destroy instance of an object using the provided designer host.
/// </summary>
/// <param name="instance">Reference to item for destroying.</param>
/// <param name="host">Designer host used if provided.</param>
public static void DestroyInstance(object instance, IDesignerHost host)
{
IComponent component = instance as IComponent;
if (component != null)
{
// Use designer to remove component if possible
if (host != null)
host.DestroyComponent(component);
else
component.Dispose();
}
else
{
// Fallback to calling any exposed dispose method
IDisposable disposable = instance as IDisposable;
if (disposable != null)
disposable.Dispose();
}
}
private object Transaction_RemoveTab(IDesignerHost host, object parameter)
{
// Tab Control
NeoTabWindow tabControl = (NeoTabWindow)parameter;
MemberDescriptor md = TypeDescriptor.GetProperties(tabControl)["Controls"];
RaiseComponentChanging(md);
host.DestroyComponent(tabControl.SelectedTab);
RaiseComponentChanged(md, null, null);
return parameter;
}
public void RemoveFromDesigner(IDesignerHost designer, Activity workflow)
{
if (workflow != null)
{
designer.DestroyComponent(workflow);
if (workflow is CompositeActivity)
{
List<Activity> children = new List<Activity>();
GetChildActivities(workflow as CompositeActivity, children);
foreach (Activity child in children)
{
designer.DestroyComponent(child);
}
}
}
}
internal static void DeletePage(WizardPage page, IDesignerHost dh, IComponentChangeService cc)
{
if (page == null || !(page.Parent is PageSlider))
return;
PageSlider slider = (PageSlider)page.Parent;
DesignerTransaction dt = dh.CreateTransaction("Deleting page");
try
{
if (cc != null)
cc.OnComponentChanging(slider, TypeDescriptor.GetProperties(slider)["Controls"]);
slider.Controls.Remove(page);
if (cc != null)
cc.OnComponentChanged(slider, TypeDescriptor.GetProperties(slider)["Controls"], null, null);
dh.DestroyComponent(page);
}
catch
{
dt.Cancel();
}
finally
{
if (!dt.Canceled)
dt.Commit();
}
}
internal static void DestroyObjectGraphFromDesignerHost(IDesignerHost designerHost, Activity activity)
{
if (designerHost == null)
throw new ArgumentNullException("designerHost");
if (activity == null)
throw new ArgumentNullException("activity");
designerHost.DestroyComponent(activity);
if (activity is CompositeActivity)
{
foreach (Activity activity2 in GetNestedActivities(activity as CompositeActivity))
designerHost.DestroyComponent(activity2);
}
}
internal static void DeletePage(WizardPage page, IDesignerHost dh, IComponentChangeService cc)
{
if (page == null || !(page.Parent is Wizard))
return;
Wizard w = page.Parent as Wizard;
DesignerTransaction dt = dh.CreateTransaction();
try
{
if (cc != null)
cc.OnComponentChanging(w, TypeDescriptor.GetProperties(w)["WizardPages"]);
w.WizardPages.Remove(page);
if (cc != null)
cc.OnComponentChanged(w, TypeDescriptor.GetProperties(w)["WizardPages"], null, null);
dh.DestroyComponent(page);
}
catch
{
dt.Cancel();
}
finally
{
if (!dt.Canceled)
dt.Commit();
}
}
/// <summary>
/// Destroys the component
/// </summary>
/// <param name="oDesignerHost">The designer instance interface</param>
internal void DestroyComponent(IDesignerHost oDesignerHost)
{
// destroy subnodes
foreach (Node oSubNode in Nodes.ToNodeArray())
oSubNode.DestroyComponent(oDesignerHost);
if (this.Panel != null)
{
if (GetTreeView() != null)
GetTreeView().Controls.Remove(this.Panel);
oDesignerHost.DestroyComponent(this.Panel);
this.Panel = null;
}
// destroys the component
oDesignerHost.DestroyComponent(this);
}
public void RemoveRecursive(IContainsRibbonComponents item, IDesignerHost service)
{
if (item == null || service == null) return;
foreach (Component c in item.GetAllChildComponents())
{
if (c is IContainsRibbonComponents)
{
RemoveRecursive(c as IContainsRibbonComponents, service);
}
service.DestroyComponent(c);
}
}
/// <include file='doc\ToolboxItem.uex' path='docs/doc[@for="ToolboxItem.CreateComponentsCore1"]/*' />
/// <devdoc>
/// Creates objects from the type contained in this toolbox item. If designerHost is non-null
/// this will also add them to the designer.
/// </devdoc>
protected virtual IComponent[] CreateComponentsCore(IDesignerHost host, IDictionary defaultValues) {
IComponent[] components = CreateComponentsCore(host);
if (host != null) {
for (int i = 0; i < components.Length; i++) {
IComponentInitializer init = host.GetDesigner(components[i]) as IComponentInitializer;
if (init != null) {
bool removeComponent = true;
try {
init.InitializeNewComponent(defaultValues);
removeComponent = false;
}
finally
{
if (removeComponent) {
for (int index = 0; index < components.Length; index++) {
host.DestroyComponent(components[index]);
}
}
}
}
}
}
return components;
}
private object Transaction_RemovePage(IDesignerHost theHost, object theParam)
{
if (mySelectedPage == null)
return null;
MultiPaneControl aCtl = DesignedControl;
MemberDescriptor aMember_Controls = TypeDescriptor.GetProperties(aCtl)["Controls"];
RaiseComponentChanging(aMember_Controls);
try
{
theHost.DestroyComponent(mySelectedPage);
// NOTE: we don't process anything here because processing will
// be performed in Handler_ComponentRemoving
}
catch { }
RaiseComponentChanged(aMember_Controls, null, null);
return null;
}
/// <summary>
/// Destroys the component
/// </summary>
/// <param name="oDesignerHost">The designer instance interface</param>
internal void DestroyComponentNoRemove(IDesignerHost oDesignerHost)
{
// destroy subnodes
Node [] aNodes = Nodes.ToNodeArray();
foreach (Node oNode in aNodes)
oNode.DestroyComponentNoRemove(oDesignerHost);
// destroys the component
oDesignerHost.DestroyComponent(this);
}
protected virtual void DestroySubItems(BaseItem parent, IDesignerHost dh)
{
if(parent is ControlContainerItem)
{
if(((ControlContainerItem)parent).Control!=null)
{
Control c=((ControlContainerItem)parent).Control;
((ControlContainerItem)parent).Control=null;
dh.DestroyComponent(c);
}
}
else if(parent is DockContainerItem)
{
if(((DockContainerItem)parent).Control!=null)
{
Control c=((DockContainerItem)parent).Control;
((DockContainerItem)parent).Control=null;
dh.DestroyComponent(c);
}
}
BaseItem[] subitems=new BaseItem[parent.SubItems.Count];
parent.SubItems.CopyTo(subitems,0);
foreach(BaseItem item in subitems)
{
DestroySubItems(item,dh);
dh.DestroyComponent(item);
}
}
protected virtual IComponent[] CreateComponentsCore(IDesignerHost host, IDictionary defaultValues)
{
IComponent[] componentArray = this.CreateComponentsCore(host);
if (host != null)
{
for (int i = 0; i < componentArray.Length; i++)
{
IComponentInitializer designer = host.GetDesigner(componentArray[i]) as IComponentInitializer;
if (designer != null)
{
bool flag = true;
try
{
designer.InitializeNewComponent(defaultValues);
flag = false;
}
finally
{
if (flag)
{
for (int j = 0; j < componentArray.Length; j++)
{
host.DestroyComponent(componentArray[j]);
}
}
}
}
}
}
return componentArray;
}
