Call asynchronous method from synchronous method in C#
Posted ylron
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public async Task<TResult> MyMethodAsync()
{
Task<TResult> longRunningTask = LongRunningOperationAsync();
// independent work which doesn\'t need the result of LongRunningOperationAsync can be done here
//and now we call await on the task
int result = await longRunningTask;
//use the result
UseResult(result);
return result;
}
public async Task<TResult> LongRunningOperationAsync() // assume we return an int from this long running operation
{
await Task.Delay(1000); // 1 second delay
return result;
}
public void DoSomeWork1()
{
// ...
}
public void DoSomeWork2(TResult)
{
// ...
}
public void MyMethodSync()
{
var task = Task.Run(async () => await MyAsyncMethod());
DoSomeWork(); // DoSomeWork is running simultaneously with MyAsyncMethod
var result = task.WaitAndUnwrapException(); // MyMethodSync() is blocked
DoSomeWork2(result); // Use result
}
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