'宣言 Public Function GenerateAsyncEx() As Windows.Foundation.IAsyncActionWithProgress(Of Double)
public Windows.Foundation.IAsyncActionWithProgress<double> GenerateAsyncEx()
'宣言 Public Function GenerateAsyncEx() As Windows.Foundation.IAsyncActionWithProgress(Of Double)
public Windows.Foundation.IAsyncActionWithProgress<double> GenerateAsyncEx()