Gets a value indicating whether the BeginInvoke call completed synchronously.
Assembly: mscorlib (in mscorlib.dll)
If it is detected that the BeginInvoke call completed synchronously in the AsyncCallback delegate, it is probable that the thread that called BeginInvoke is the current thread. Most providers of the IAsyncResult interface will not use the capability and will return a default false.
Current implementation of always returns false.
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.