- IUICollectionViewDropPlaceholderContext - DragItem 
- CommitInsertion(Action<NSIndexPath>) 
- DeletePlaceholder() 
- SetNeedsCellUpdate() 
 
net9.0-ios17.2
    namespace UIKit
{
    [Protocol(Name = "UICollectionViewDropPlaceholderContext", WrapperType = typeof(UICollectionViewDropPlaceholderContextWrapper))]
    [ProtocolMember(IsProperty = false, IsRequired = true, IsStatic = false, Name = "SetNeedsCellUpdate", Selector = "setNeedsCellUpdate")]
    [ProtocolMember(IsProperty = false, IsRequired = true, IsStatic = false, Name = "DeletePlaceholder", ReturnType = typeof(bool), Selector = "deletePlaceholder")]
    [ProtocolMember(ArgumentSemantic = ArgumentSemantic.None, GetterSelector = "dragItem", IsProperty = true, IsRequired = true, IsStatic = false, Name = "DragItem", PropertyType = typeof(UIDragItem), Selector = "dragItem")]
    [ProtocolMember(IsProperty = false, IsRequired = true, IsStatic = false, Name = "CommitInsertion", ParameterBlockProxy = new[] { typeof(NIDActionArity1V251) }, ParameterByRef = new[] { false }, ParameterType = new[] { typeof(Action<NSIndexPath>) }, ReturnType = typeof(bool), Selector = "commitInsertionWithDataSourceUpdates:")]
    [SupportedOSPlatform("maccatalyst")]
    [SupportedOSPlatform("ios")]
    [UnsupportedOSPlatform("tvos")]
    public interface IUICollectionViewDropPlaceholderContext : INativeObject, IDisposable, IUIDragAnimating
    {
        [BindingImpl(BindingImplOptions.GeneratedCode | BindingImplOptions.Optimizable)]
        [Export("deletePlaceholder")]
        [Preserve(Conditional = true)]
        bool DeletePlaceholder();
    }
}
            | .NET | 6.07.08.09.0 | 
|---|---|
| Information specific to net9.0 | |
| Platforms | This API is only available when you target a specific platform: | 
| iOS | 10.010.110.210.311.011.111.211.311.412.012.112.212.312.413.013.113.213.313.413.513.614.014.114.214.314.414.515.015.215.416.016.116.216.417.017.2 | 
| Mac Catalyst | 13.113.213.313.413.514.214.314.414.515.015.215.416.116.216.417.017.2 | 
| Information specific to net9.0-ios17.2 | |
| Assembly | Microsoft.iOS , Version=17.2.0.0, PublicKeyToken=84e04ff9cfb79065 | 
| Referencing | The API is automatically referenced. | 
| Platform Restrictions | This API is only supported on the following platforms: 
 | 
- Built-in API
- Package-provided API