Copy Method (Int32[], Int32, IntPtr, Int32)

Marshal.Copy Method (Int32[], Int32, IntPtr, Int32)


Copies data from a one-dimensional, managed 32-bit signed integer array to an unmanaged memory pointer.

Namespace:   System.Runtime.InteropServices
Assembly:  mscorlib (in mscorlib.dll)

static member Copy : 
        source:int[] *
        startIndex:int *
        destination:nativeint *
        length:int -> unit


Type: System.Int32[]

The one-dimensional array to copy from.

Type: System.Int32

The zero-based index in the source array where copying should start.

Type: System.IntPtr

The memory pointer to copy to.

Type: System.Int32

The number of array elements to copy.

Exception Condition

startIndex and length are not valid.


startIndex or length is null.

You can use this method to copy a subset of a one-dimensional managed array to an unmanaged C-style array.

The following example copies an array to unmanaged memory and then copies the unmanaged array back to managed memory.

No code example is currently available or this language may not be supported.


requires full trust for the immediate caller. This member cannot be used by partially trusted or transparent code.

Universal Windows Platform
Available since 4.5
.NET Framework
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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