Environment.Is64BitProcess Property  
Definition
Important
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Gets a value that indicates whether the current process is a 64-bit process.
public:
 static property bool Is64BitProcess { bool get(); };public static bool Is64BitProcess { get; }static member Is64BitProcess : boolPublic Shared ReadOnly Property Is64BitProcess As BooleanProperty Value
true if the process is 64-bit; otherwise, false.