Gets the number of attributes.
Assembly: System (in System.dll)
The following code example uses the property to print the number of properties on button1 in a text box. It assumes that button1 and textBox1 have been created on a form.
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.