pinvoke.net: Edit: setupapi.SetupCloseInfFile

@msdn=http://msdn2.microsoft.com/en-us/library/aa376985(VS.85).aspx
@pinvoke=http://pinvoke.net/$$$.htm

Summary: closes the INF file opened by a call to SetupOpenInfFile. This function closes any INF files appended to it by calling SetupOpenAppendInfFile.

!!!!C# Signature:
 [DllImport("setupapi.dll", CharSet = CharSet.Auto, SetLastError = true)]
 public static extern void SetupCloseInfFile(IntPtr InfHandle);
!!!!VB Signature:
 Public Declare Auto Sub SetupCloseInfFile Lib "setupapi.dll" (ByVal InfHandle As IntPtr)
!!!!User-Defined Types:
None.

!!!!Alternative Managed API:
Do you know one?  Please contribute it!

!!!!Notes:
Parameters
||InfHandle || Handle to the INF file to be closed.||

!!!!Tips & Tricks:
None.

!!!!Sample Code:
C#
 string infFile = <INF file full path>;
 uint ErrorLine = 0;
 IntPtr infHandle = SetupOpenInfFile(infFile, null, INF_STYLE_OLDNT | INF_STYLE_WIN4, out ErrorLine);
 int iCode = Marshal.GetLastWin32Error();
 if (infHandle.ToInt64() != INVALID_HANDLE_VALUE)
 {
     Console.WriteLine("INF file was opened successfully.");
     INFCONTEXT Context = new INFCONTEXT();
     if (SetupFindFirstLine(infHandle, "Manufacturer", null, ref Context) == true)
     {
 		Console.WriteLine("Manufacturers list:");
 		string manufacturerName = "";
 		manufacturerName = manufacturerName.PadLeft(256, ' ');
 		Int32 requiredSize = manufacturerName.Length;
 		SetupGetStringField(ref Context, 1, manufacturerName, manufacturerName.Length, out requiredSize);
 		manufacturerName = manufacturerName.Substring(0, requiredSize-1);
 		Console.WriteLine(manufacturerName);
 		while(SetupFindNextLine(ref Context, out Context) == true)
 		{
 			manufacturerName = manufacturerName.PadLeft(256, ' ');
 			requiredSize = manufacturerName.Length;
 			SetupGetStringField(ref Context, 1, manufacturerName, manufacturerName.Length, out requiredSize);
			manufacturerName = manufacturerName.Substring(0, requiredSize - 1);
 			Console.WriteLine(manufacturerName);
 		}
     }
     else
     {
		Console.WriteLine("Can't find [Manufacturer] section.");
     }
     SetupCloseInfFile(infHandle);
 }
 else
 {
     Console.WriteLine("Failed to open INF file. Error code - {0}.", iCode);
     if (ErrorLine != 0)
     {
 		Console.WriteLine("Failure line - {0}.", ErrorLine);
     }
 }
VB
 Dim infFile As String = <INF file full path>
 Dim ErrorLine As UInt32 = 0
 Dim infHandle As IntPtr = SetupOpenInfFile(infFile, Nothing, INF_STYLE_OLDNT Or INF_STYLE_WIN4, ErrorLine)
 Dim iCode As Integer = Marshal.GetLastWin32Error()
 If infHandle.ToInt64() <> INVALID_HANDLE_VALUE Then
 	Console.WriteLine("INF file was opened successfully.")
 	Dim Context As INFCONTEXT = New INFCONTEXT()
 	If SetupFindFirstLine(infHandle, "Manufacturer", Nothing, Context) = True Then
 		Console.WriteLine("Manufacturers list:")
 		Dim manufacturerName As String = ""
 		manufacturerName = manufacturerName.PadLeft(256, " "c)
 		Dim requiredSize As Int32 = manufacturerName.Length
 		SetupGetStringField(Context, 1, manufacturerName, manufacturerName.Length, requiredSize)
 		manufacturerName = manufacturerName.Substring(0, requiredSize - 1)
 		Console.WriteLine(manufacturerName)
 		While SetupFindNextLine(Context, Context) = True
 			manufacturerName = manufacturerName.PadLeft(256, " "c)
 			requiredSize = manufacturerName.Length
 			SetupGetStringField(Context, 1, manufacturerName, manufacturerName.Length, requiredSize)
 			manufacturerName = manufacturerName.Substring(0, requiredSize - 1)
 			Console.WriteLine(manufacturerName)
 		End While
 	Else
 		Console.WriteLine("Can't find [Manufacturer] section.")
 	End If
 	SetupCloseInfFile(infHandle)
 Else
 	Console.WriteLine("Failed to open INF file. Error code - {0}.", iCode)
 	If ErrorLine <> 0 Then
 		Console.WriteLine("Failure line - {0}.", ErrorLine)
 	End If
 End If

Documentation: SetupCloseInfFile@msdn on MSDN