Marshal.PtrToStringAnsi Method (IntPtr, Int32)

This type can be used only by trusted applications. If you try to use its members in a partial-trust application, your code will throw a MethodAccessException exception. This type is security-critical, which restricts its use.

Allocates a managed String, copies a specified number of characters from an unmanaged ANSI string into it, and widens each ANSI character to Unicode.

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

<SecurityCriticalAttribute> _
Public Shared Function PtrToStringAnsi ( _
	ptr As IntPtr, _
	len As Integer _
) As String


Type: System.IntPtr
The address of the first character of the unmanaged string.
Type: System.Int32
The byte count of the input string to copy.

Return Value

Type: System.String
A managed String that holds a copy of the native ANSI string if the value of the ptr parameter is not Nothing; otherwise, this method returns Nothing.


Supported in: 5, 4, 3

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

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