DispatchSource.DataAdd Class
Definition
Important
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Dispatch sources that allow applications to trigger an event handler on the target queue.
public class DispatchSource.DataAdd : CoreFoundation.DispatchSource.Datatype DispatchSource.DataAdd = class
inherit DispatchSource.Data- Inheritance
-
DispatchSource.DataAdd
Remarks
Applications can post data onto a DispatchSource.DataAdd by calling the MergeData(IntPtr) method. The data is surfaced is then available in to the handler in the PendingData property which will contain the cumulative addition of all the values posted with MergeData.
Constructors
| Name | Description |
|---|---|
| DispatchSource.DataAdd(DispatchQueue) |
Creates a DataAdd source that delivers events on the specified queue. |
| DispatchSource.DataAdd(IntPtr, Boolean) |
Creates a DataOr DispatchSource from an unmanaged pointer. |
| DispatchSource.DataAdd(IntPtr) |
Creates a DataOr DispatchSource from an unmanaged pointer. |
Properties
| Name | Description |
|---|---|
| Handle | (Inherited from DisposableObject) |
| IsCanceled |
Determine whether the specified source has been canceled. (Inherited from DispatchSource) |
| Owns | (Inherited from DisposableObject) |
| PendingData |
Retrieves the data that has been posted for this event source. (Inherited from DispatchSource.Data) |
Methods
| Name | Description |
|---|---|
| Activate() | (Inherited from DispatchObject) |
| Cancel() |
Asynchronously cancels the dispatch source. (Inherited from DispatchSource) |
| ClearHandle() | (Inherited from DisposableObject) |
| Dispose() | (Inherited from DisposableObject) |
| Dispose(Boolean) |
Releases the resources used by the DispatchSource object. (Inherited from DispatchSource) |
| Equals(Object) | (Inherited from DisposableObject) |
| GetCheckedHandle() | (Inherited from DisposableObject) |
| GetHashCode() | (Inherited from DisposableObject) |
| InitializeHandle(NativeHandle) | (Inherited from DisposableObject) |
| MergeData(IntPtr) |
Posts the specific value and triggers the event handler on the target queue. (Inherited from DispatchSource.Data) |
| Release() | (Inherited from DispatchObject) |
| Resume() |
Resumes the dispatch source. (Inherited from DispatchSource) |
| Retain() | (Inherited from DispatchObject) |
| SetCancelHandler(Action) |
Provides a cancellation handler (Inherited from DispatchSource) |
| SetEventHandler(Action) |
Specified a handler to execute when events are received on the dispatch source. (Inherited from DispatchSource) |
| SetRegistrationHandler(Action) |
Provides a registration handler (Inherited from DispatchSource) |
| SetTargetQueue(DispatchQueue) | (Inherited from DispatchObject) |
| Suspend() |
Suspends the dispatch source. (Inherited from DispatchSource) |
Extension Methods
| Name | Description |
|---|---|
| GetHandle(INativeObject) | |
| GetNonNullHandle(INativeObject, String) | |