IntPtr.Zero Field
Microsoft Silverlight will reach end of support after October 2021. Learn more.
A read-only field that represents a pointer or handle that has been initialized to zero.
Namespace: System
Assembly: mscorlib (in mscorlib.dll)
Syntax
'Declaration
Public Shared ReadOnly Zero As IntPtr
public static readonly IntPtr Zero
Remarks
The value of this field is not equivalent to nulla null reference (Nothing in Visual Basic). Use this field to efficiently determine whether an instance of IntPtr has been set to a value other than zero.
For example, assume the variable, ip, is an instance of IntPtr. You can determine if it has been set by comparing it to the value returned by a constructor, for example: " if ip != new IntPtr(0)... ". However, invoking a constructor to get an unintialized pointer is inefficient. It is better to code either " if ip != IntPtr.Zero... ", or " if !IntPtr.Zero.Equals(ip)... ".
Version Information
Silverlight
Supported in: 5, 4, 3
Silverlight for Windows Phone
Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0
XNA Framework
Supported in: Xbox 360, Windows Phone OS 7.0
Platforms
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.