pinvoke.net: Edit: kernel32.heapwalk

@msdn=http://search.microsoft.com/search/results.aspx?qu=$$$
@pinvoke=http://pinvoke.net/$$$.htm

Summary: TODO - a short description

!!!!C# Signature:
 [DllImport("kernel32.dll", SetLastError = true)]
 static extern bool HeapWalk(IntPtr hHeap, ref PROCESS_HEAP_ENTRY lpEntry);
!!!!VB Signature:
 Declare Function heapwalk Lib "kernel32.dll" (TODO) As TODO
!!!!User-Defined Types:
 [Flags]
 public enum PROCESS_HEAP_ENTRY_WFLAGS : ushort
 {
    PROCESS_HEAP_ENTRY_BUSY = 0x0004,
    PROCESS_HEAP_ENTRY_DDESHARE = 0x0020,
    PROCESS_HEAP_ENTRY_MOVEABLE = 0x0010,
    PROCESS_HEAP_REGION = 0x0001,
    PROCESS_HEAP_UNCOMMITTED_RANGE = 0x0002,
 }
 [StructLayoutAttribute(LayoutKind.Explicit)]
 public struct UNION_BLOCK
 {
    [FieldOffset(0)]
    public STRUCT_BLOCK Block;

[FieldOffset(0)]
    public STRUCT_REGION Region;
 }
 [StructLayoutAttribute(LayoutKind.Sequential)]
 public struct STRUCT_BLOCK
 {
    public IntPtr hMem;
    public uint dwReserved1_1;
    public uint dwReserved1_2;
    public uint dwReserved1_3;
 }
 [StructLayoutAttribute(LayoutKind.Sequential)]
 public struct STRUCT_REGION
 {
    public uint dwCommittedSize;
    public uint dwUnCommittedSize;
    public IntPtr lpFirstBlock;
    public IntPtr lpLastBlock;
 }
 [StructLayoutAttribute(LayoutKind.Sequential)]
 public struct PROCESS_HEAP_ENTRY
 {
    public IntPtr lpData;
    public uint cbData;
    public byte cbOverhead;
    public byte iRegionIndex;
    public PROCESS_HEAP_ENTRY_WFLAGS wFlags;
    public UNION_BLOCK UnionBlock;
 }

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

!!!!Notes:
None.

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

!!!!Sample Code:
 PROCESS_HEAP_ENTRY h = new PROCESS_HEAP_ENTRY();
 uint size = 0;
 while(HeapWalk(heapHandle, ref h))
 {
    if (h.wFlags == PROCESS_HEAP_ENTRY_WFLAGS.PROCESS_HEAP_ENTRY_BUSY)
    {
        size += h.cbData;
    }
 }
 Console.WriteLine("Size: " + size);

Documentation: heapwalk@msdn on MSDN