pinvoke.net: Edit: psapi.EnumProcessModules

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@pinvoke=http://pinvoke.net/$$$.htm

Summary: Retrieves a handle for each module in the specified process.

!!!!C# Signature:
 [DllImport("psapi.dll", SetLastError = true)]
 public static extern bool EnumProcessModules(IntPtr hProcess,
 [MarshalAs(UnmanagedType.LPArray, ArraySubType = UnmanagedType.U4)] [In][Out] uint[] lphModule, uint cb, [MarshalAs(UnmanagedType.U4)] out uint lpcbNeeded);

!!!!VB.NET Signature:
 <DllImport("psapi.dll", SetLastError:=True)> _
 Public Shared Function EnumProcessModules(ByVal hProcess As IntPtr, <MarshalAs(UnmanagedType.LPArray, ArraySubType := UnmanagedType.U4)> <[In]()> <Out()> ByVal lphModule As UInteger(), ByVal cb As UInteger, <MarshalAs(UnmanagedType.U4)> ByRef lpcbNeeded As UInteger) As Boolean
 End Function

!!!!User-Defined Types:
None.

!!!!Alternative Managed API:
System.Diagnostics.Process.Modules

!!!!Notes:
 I found that the C# signature above did not work for me.  Instead I am using the following signature:
 [DllImport("psapi.dll", CallingConvention=CallingConvention.StdCall, SetLastError = true)]
 public static extern int EnumProcessModules(IntPtr hProcess, [Out] IntPtr lphModule, uint cb, out uint lpcbNeeded);

!!!!Tips & Tricks:
Please add some!

!!!!Sample Code:
 Used in conjuction with GetModuleFileNameEx:

Process[] pc = Process.GetProcessesByName("communicator");

foreach (Process p in pc)
            {
                // Setting up the variable for the second argument for EnumProcessModules
                IntPtr[] hMods = new IntPtr[1024];

GCHandle gch = GCHandle.Alloc(hMods, GCHandleType.Pinned); // Don't forget to free this later
                IntPtr pModules = gch.AddrOfPinnedObject();

// Setting up the rest of the parameters for EnumProcessModules
                uint uiSize = (uint)(Marshal.SizeOf(typeof(IntPtr)) * (hMods.Length));
                uint cbNeeded = 0;

if (EnumProcessModules(p.Handle, pModules, uiSize, out cbNeeded) == 1)
                {
                    Int32 uiTotalNumberofModules = (Int32)(cbNeeded / (Marshal.SizeOf(typeof(IntPtr))));

for (int i = 0; i < (int)uiTotalNumberofModules; i++)
                    {
                        StringBuilder strbld = new StringBuilder(1024);

GetModuleFileNameEx(p.Handle, hMods[i], strbld, (uint)(strbld.Capacity));
                        Console.WriteLine("File Path: " + strbld.ToString());
                        Console.WriteLine();
                    }
                    Console.WriteLine("Number of Modules: " + uiTotalNumberofModules);
                    Console.WriteLine();
                }

// Must free the GCHandle object
                gch.Free();
            }

Documentation: EnumProcessModules@msdn on MSDN