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closehandle (coredll)
 

coredll is for smart devices, not desktop Windows. Therefore, this information only applies to code using the .NET Compact Framework. To see if information for closehandle in other DLLs exists, click on Find References to the right.

.
Summary
This function closes an open object handle

C# Signature:

using HANDLE = System.IntPtr;
...
[DllImport("coredll.dll", SetLastError = true, CallingConvention = CallingConvention.Winapi, CharSet = CharSet.Auto)]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool CloseHandle(HANDLE hObject);

VB .NET Signature:

Declare Function CloseHandle Lib "coredll.dll" (hObject As IntPtr) As Boolean

User-Defined Types:

None.

Notes:

Return
Nonzero indicates success. Zero indicates failure.

Tips & Tricks:

Please add some!

Sample Code:

using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;
using HANDLE = System.IntPtr;

namespace Test
{
    class Program
    {
        [DllImport("coredll.dll", SetLastError = true, CallingConvention = CallingConvention.Winapi, CharSet = CharSet.Auto)]
        public static extern HANDLE CreateEvent(HANDLE lpEventAttributes, [In, MarshalAs(UnmanagedType.Bool)] bool bManualReset, [In, MarshalAs(UnmanagedType.Bool)] bool bIntialState, [In, MarshalAs(UnmanagedType.BStr)] string lpName);

        [DllImport("coredll.dll", SetLastError = true, CallingConvention = CallingConvention.Winapi, CharSet = CharSet.Auto)]
        [return: MarshalAs(UnmanagedType.Bool)]
        public static extern bool CloseHandle(HANDLE hObject);

        static void Main(string[] args)
        {
            HANDLE p = CreateEvent(HANDLE.Zero, false, true, string.Empty);

            CloseHandle(p);
        }
    }
}

Alternative Managed API:

TODO

Documentation
CloseHandle on MSDN

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