Waits until the process started by calling BeginInvoke completes, and then returns the value generated by the process.
Assembly: System (in System.dll)
This method gets the return value of the asynchronous operation represented by the IAsyncResult passed by this interface. If the asynchronous operation has not completed, this method will wait until the result is available.
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.