Questions tagged [iasyncoperation]

Windows Foundation interface representing an asynchronous operation.

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Does Outlook, as a Drop Target, support IAsyncOperation?

I am playing with Creating something from nothing, asynchronously [Developer-friendly virtual file implementation for .NET improved!]. This brilliant article demonstrates how to create a customized DataObject implementing delayed data extract on…
xiao
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IAsyncOperation>' does not contain a definition for 'GetAwaiter'

I am using Visual Studio 2017 Professional. I have been following this guide: https://learn.microsoft.com/en-us/windows/uwp/design/shell/tiles-and-notifications/notification-listener My problem code is as follows: using…
Thomas Fuzesi
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How to async / await in Renci.SshNet.BeginDownload with Task.Factory.FromAsync

I have access to a Connected Renci.SshNet.SftpClient which I use to get a sequence of the files in the sftp folder. The function used for this is Renci.SshNet.SftpClient.ListDirectory(string); Due to the huge amount of files in the directory this…
Harald Coppoolse
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How can I get a progress report from an async write to an output stream?

In my app, I have to write an IBuffer to an IOutputStream. I'd like to show my user the progress of this operation, so I'm trying with the following code: auto writeOp = strm->WriteAsync(buff); writeOp->Progress = ref new…
user18901310
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How to await on an IAsyncOperation using C++/COM

I am accessing a WinRT API using C++ and COM. The following code gives me results == unspecified ComPtr statics; RoGetActivationFactory(HString::MakeReference(RuntimeClass_Windows_Devices_Geolocation_Geolocator).Get(),…
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How to stop a call resulting in IAsyncOperation?

In my application I notify multiple devices. If a device is not reachable and is not responding within a few seconds, i want to cancel the call. My code is: await…
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Awaiting an IAsyncOperation in F#

I have the following code in F#: let CreateSampleDataFromJson<'T>(path) = let uri = new Uri(path) async { let file = StorageFile.GetFileFromApplicationUriAsync(uri) let jsonText = FileIO.ReadTextAsync(file) …
Andy B
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IAsyncOperation^

Im trying to create a C++ Runtime compoment to use in c# windows store app project; I Created a new project C++ -> Windows Store App -> Windows Runtime Component. The new project has default class1. This is what i m trying to do and i get…
Stamos
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Using multithreaded WinRT component from WinJS

I have a WinJS app that uses WinRT component written in C++/CX. Component spawns a background thread that encapsulates work with a huge legacy thread-unsafe C++ library, which requires all calls to be made from the same thread. I need to implement…
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Creating task in C++/UWP

I'm trying to create a task in VS2019 UWP C++. I've got this bit of code: IAsyncAction ^frame; auto frame_task = create_task(frame); frame_task.then([this]() { // Noop }); What I want to do is have an infinite loop that does frame…
Frank Miller
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Task continuation with IAsyncOperation in UWP

I have a c++ class object which performs some processing in the background of a uwp application. Its process operation is called by Unity's "Update" method ~60fps through an UWP IAsyncOperation. The class has a isBusy property which is set to true…
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Cannot get an asynchronous operation Result (Windows::Foundation::IAsyncOperation interface) in C++ WinRT

I'm a little bit desperate trying to get the result of a winrt asynchronous method with Windows::Foundation::IAsyncOperation interface. The project is a Visual Studio Community 2017 c++ project with winRT extension enabled. I've tried using…
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Android in app biling Can't start async operation

I am new in android, my first app has finished recently. I want to set an IAB (in app billing) in my app,I tested my app and I had the below problems: 1-when I click on the "buy" button eveything is OK and the pay operation run correctly. but when I…
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AsAsyncAction VS Task.Run

Whenever I have to start a parallel task I usually do this: public async Task FindPerson(string personId) { await Task.Run(() => { //Search the person and write to screen }); } However usually I see other coders using…
Fritjof Berggren
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Win10 BLE desktop application IAsyncOperation as collection

I am working on upgrading desktop app to run on windows 10 with BLE support. I modified the app to target to corresponding windows version as described in this question (How can I reference the Windows 8 Runtime in console). Now trying to do step by…
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