Marshal::Copy Method (array<Int32>^, Int32, IntPtr, Int32)

.NET Framework (current version)

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)

Syntax

public:
[SecurityCriticalAttribute]
static void Copy(
	array<int>^ source,
	int startIndex,
	IntPtr destination,
	int length
)

Parameters

source: Type: array<System::Int32>^
The one-dimensional array to copy from.

startIndex: Type: System::Int32
The zero-based index in the source array where copying should start.

destination: Type: System::IntPtr
The memory pointer to copy to.

length: Type: System::Int32
The number of array elements to copy.

Exceptions

Exception	Condition
ArgumentOutOfRangeException	startIndex and length are not valid.
ArgumentNullException	startIndex or length is null.

Remarks

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

Examples

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

C++

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

Security

SecurityCriticalAttribute

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

Universal Windows Platform
Available since 8
.NET Framework
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1