Parameters target Type: System .Object
The event source.
handler Type: System .Delegate
The delegate to be disassociated from the events raised by target.
This method is for access to managed classes from unmanaged code and should not be called from managed code.
method removes an event handler from an event source. RemoveEventHandler .NET Framework
Supported in: 4.5, 4, 3.5, 3.0, 2.0
.NET Framework Client Profile
Supported in: 4, 3.5 SP1
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.