This property should be set when performing GUI operations in event handlers.
If this property is set, messages will be pumped through a call to System.Windows.Forms.Application.DoEvents when a blocking method is called (Connect(), Login(), etc). When using asynchronous methods of the AsyncFtpClient class, messages will not be pumped by the library.
Requirements
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2