//determines whether it's object.
private static Boolean IsObject(Int32 pID, IntPtr remoteHandle, IEnumerable <String> fileNames)
{
NativeNormalHandle handle = null;
try
{
handle = HandleCopy(pID, remoteHandle);
if (handle != null && IsFileOrDirectoryHandle(handle.DangerousGetHandle()))
{
var fileName = GetFileNameFromHandle(handle.DangerousGetHandle());
foreach (var item in fileNames)
{
if (item.Equals(fileName))
{
return(true);
}
}
}
return(false);
}
finally
{
if (handle != null)
{
handle.Close();
}
}
}
public static Boolean TryOpenProcess(Int32 pID, out NativeNormalHandle handle, Boolean inheritHandle = false)
{
handle = OpenProcess(ProcessAccessFlags.All, inheritHandle, pID);
if (handle.IsInvalid)
{
handle = null;
return(false);
}
return(true);
}
public static Boolean TryDuplicateHandle(NativeNormalHandle sourceProcessHandle, IntPtr sourceHandle, IntPtr targetProcessHandle, out NativeNormalHandle targetHandle, Boolean removeSourceHandle = false)
{
if (!DuplicateHandle(sourceProcessHandle.DangerousGetHandle(), sourceHandle, targetProcessHandle, out targetHandle, 0, false, DuplicateOptions.DuplicateSameAccess | (removeSourceHandle ? DuplicateOptions.DuplicateCloseSource : DuplicateOptions.None)))
{
if (targetHandle.IsInvalid)
{
targetHandle.Close();
}
targetHandle = null;
return(false);
}
return(true);
}
private static NativeNormalHandle HandleCopy(Int32 pID, IntPtr remoteHandle, Boolean removeSourceHandle = false)
{
NativeNormalHandle pHandle = null;
try
{
if (NativeAPI.TryOpenProcess(pID, out pHandle) && NativeAPI.TryDuplicateHandle(pHandle, remoteHandle, NativeAPI.GetCurrentProcess(), out var lHandle, removeSourceHandle))
{
return(lHandle);
}
return(null);
}
finally
{
if (pHandle != null)
{
pHandle.Close();
}
}
}
private static Boolean TryReleaseHandle(Int32 pID, IntPtr remoteHandle)
{
NativeNormalHandle handle = null;
try
{
handle = HandleCopy(pID, remoteHandle, true);
if (handle != null)
{
return(true);
}
return(false);
}
finally
{
if (handle != null)
{
handle.Close();
}
}
}
private static extern Boolean DuplicateHandle(IntPtr hSourceProcessHandle, IntPtr hSourceHandle, IntPtr hTargetProcessHandle, out NativeNormalHandle lpTargetHandle, UInt32 dwDesiredAccess, Boolean bInheritHandle, DuplicateOptions dwOptions);