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Working with UICollectionChangedEvent
IUICollection Events Objects that implements IUICollection interface usually expose an OnChanged event that is called when the collection has changed due to: Insert item, Remove item, Replace item, Reset collection. This event is exposed using the standard COM events mechanism, namely: IConnectionPointContainer, IConnectionPoint and Advise(). To help the user to avoid these issues altogether, I’ve created the UICollectionChangedEvent class, which attaches to a given IUICollection and exposes the ChangedEvent event as a normal .NET event.
Constructors
| Name | Description |
|---|---|
| UICollectionChangedEvent() | Initializes a new instance of the UICollectionChangedEvent class. |
Methods
| Name | Description |
|---|---|
| Attach(IUICollection) | Attach to an IUICollection object events. |
| Detach() | Detach from the previous IUICollection object events. |
Events
| Name | Description |
|---|---|
| ChangedEvent | Occurs when the IUICollection was changed. |
In your EventHandler for the ChangedEvent you get the UICollectionChangedEventArgs class.
Properties
| Name | Description |
|---|---|
| Action | Collection change action (Type: enum CollectionChange). |
| OldIndex | The old index (Type: UInt32). |
| OldItem | The old item (Type: Object). |
| NewIndex | The new Index (Type: UInt32). |
| NewItem | The new Item (Type: Object). |
Example: see description of the ComboBox
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Basics
- Introduction, Background on the windows ribbon
- Basic Ribbon Wrapper Basic .NET wrappers for windows ribbon.
- Quickstart Tutorial
- First WinForms Ribbon Application How to create an empty WinForms application with ribbon support.
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Working with Ribbon Controls
- Application Menu with Buttons How to use the ribbon application menu.
- Application Menu with SplitButton and DropDownButton How to use the ribbon application menu with ribbon split button and ribbon dropdown button controls.
- Tabs, Groups and HelpButton How to use ribbon tabs, groups and the ribbon help button control.
- Spinner How to use the ribbon spinner control.
- ComboBox How to use the ribbon combo box control.
- DropDownGallery, SplitButtonGallery and InRibbonGallery How to use the ribbon drop down gallery, split button gallery and in ribbon gallery controls.
- CheckBox and ToggleButton How to use the ribbon check box and toggle button controls.
- DropDownColorPicker How to use the ribbon drop down color picker control.
- FontControl How to use the ribbon font control.
- ContextualTabs How to work with ribbon contextual tabs.
- ContextPopup How to work with ribbon context popup.
- RecentItems How to work with ribbon recent items control.
- QuickAccessToolbar How to work with the ribbon quick access toolbar.
- The Ribbon Class How to work with the ribbon class. Methods, Properties, Events
- EventLogger Since Windows 8: Logging ribbon events
- UICollectionChangedEvent How to work with the ChangedEvent in an IUICollection
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Working with miscellany Ribbon features
- ApplicationModes How to work with ribbon application modes.
- SizeDefinition How to define custom size definitions for ribbon group elements.
- Localization How to localize a ribbon.
- Changing Ribbon Colors How to change the ribbon colors.
- Working with Images How to work with images in the ribbon.
- Use Ribbon as External DLL How to load ribbon resources from external DLLs.
- Wrapper class RibbonItems An auto generated wrapper class from the ribbon markup.
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Designing, building, previewing Windows Ribbon with RibbonTools
- RibbonTools basics Settings, Command line, ...
- Create a new project Create a WordPad sample project
- Preview the Ribbon
- Specifying Ribbon Commands
- Designing Ribbon Views
- Convert Images to Alpha Bitmaps
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Modeling Guidelines
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How to ...