/// <summary>
/// Call the operation, and then handle completion.
/// </summary>
/// <typeparam name="TData">Input data type to pass to operation.</typeparam>
/// <typeparam name="TResult">Result data type for operation.</typeparam>
/// <param name="datafunction">Collection of operation to be called by AsyncOperation, and its input functions.</param>
/// <param name="asyncOp">Operation making call.</param>
private void AsyncOperationFunc <TData, TResult>(DataAndFunc <TData, TResult> datafunction, AsyncOperation asyncOp)
{
// Will have to do exception handling itself.
TEventArgs args = datafunction.operation(datafunction.data, datafunction.func, false, asyncOp.UserSuppliedState, datafunction.funcEvent);
this.AsyncWorkCompletionResult(args, asyncOp);
}
// Implementation defined in sub-class.
/// <summary>
/// Implementation of asynchronous function called by sub-classes with appropriate function parameters
/// to perform the asynchronous operation, and turn results into TEventArgs.
/// </summary>
/// <typeparam name="TData">Input data type of operation.</typeparam>
/// <typeparam name="TResult">Result data type of operation.</typeparam>
/// <param name="userState">User state object provided by calling code.</param>
/// <param name="data">Operation input data.</param>
/// <param name="operation">Operation being called in another thread by AsyncOperation.</param>
/// <param name="funcProxy">Function being called.</param>
/// <param name="funcEvent">Function to create TEventArgs from results.</param>
public void AsyncFuncImpl <TData, TResult>(object userState
, TData data
, AsyncOperationFuncDefaultDelegate <TData, TResult> operation
, Func <TData, TResult> funcProxy
, MakeFuncEventDelegate <TData, TResult> funcEvent
)
{
AsyncOperation asyncOp = this.CreateOperation(userState);
DataAndFunc <TData, TResult> datafunction = new DataAndFunc <TData, TResult>
{
operation = operation,
data = data,
func = funcProxy,
funcEvent = funcEvent
};
AsyncOperationFuncDelegate <TData, TResult> asyncDelegate = this.AsyncOperationFunc <TData, TResult>;
asyncDelegate.BeginInvoke(datafunction, asyncOp, null, null);
}