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 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.