/// <summary>
/// <see cref="http://msdn.microsoft.com/en-us/library/windows/desktop/aa365194(v=vs.85).aspx" />
/// </summary>
public VOLUME_DISK_EXTENTS VolumeGetVolumeDiskExtents()
{
// Fetch in increments of 32 bytes, as one extent (the most common case) is one extent pr. volume.
byte[] data = DeviceIoControlHelper.InvokeIoControlUnknownSize(Handle, IOControlCode.VolumeGetVolumeDiskExtents, 32);
// Build the VOLUME_DISK_EXTENTS structure
VOLUME_DISK_EXTENTS res = new VOLUME_DISK_EXTENTS();
res.NumberOfDiskExtents = BitConverter.ToUInt32(data, 0);
res.Extents = new DISK_EXTENT[res.NumberOfDiskExtents];
using (UnmanagedMemory dataPtr = new UnmanagedMemory(data))
{
// TODO: This code needs to be tested for volumes with more than one extent.
for (int i = 0; i < res.NumberOfDiskExtents; i++)
{
IntPtr currentDataPtr = new IntPtr(dataPtr.Handle.ToInt64() + 8 + i * MarshalHelper.SizeOf<DISK_EXTENT>());
DISK_EXTENT extent = currentDataPtr.ToStructure<DISK_EXTENT>();
res.Extents[i] = extent;
}
}
return res;
}
public ComFunctionInfo(ComTypeInfo parent, IntPtr pFuncDesc)
: base(parent)
{
_pFuncDesc = pFuncDesc;
_funcDesc = pFuncDesc.ToStructure < System.Runtime.InteropServices.ComTypes.FUNCDESC>();
_comTypeInfo.GetITypeInfo().GetDocumentation(_funcDesc.memid, out _name, out _description, out _helpContext, out _helpFile);
if (_description == null) _description = String.Empty;
if (_helpFile == null) _helpFile = String.Empty;
LoadParameters();
}
/// <summary><see cref="http://msdn.microsoft.com/en-us/library/windows/desktop/aa365171(v=vs.85).aspx"/></summary>
public DISK_GEOMETRY_EX DiskGetDriveGeometryEx()
{
byte[] data = DeviceIoControlHelper.InvokeIoControlUnknownSize(Handle, IOControlCode.DiskGetDriveGeometryEx, 256);
DISK_GEOMETRY_EX res;
using (UnmanagedMemory mem = new UnmanagedMemory(data))
{
res.Geometry = mem.Handle.ToStructure<DISK_GEOMETRY>();
res.DiskSize = BitConverter.ToInt64(data, (int)MarshalHelper.SizeOf<DISK_GEOMETRY>());
IntPtr tmpPtr = new IntPtr(mem.Handle.ToInt64() + MarshalHelper.SizeOf<DISK_GEOMETRY>() + sizeof(long));
res.PartitionInformation = tmpPtr.ToStructure<DISK_PARTITION_INFO>();
tmpPtr = new IntPtr(tmpPtr.ToInt64() + res.PartitionInformation.SizeOfPartitionInfo);
res.DiskInt13Info = tmpPtr.ToStructure<DISK_EX_INT13_INFO>();
}
return res;
}
public ComTypeInfo(ComTypeLibrary comTypeLibrary, ITypeInfo typeInfo, IntPtr pTypeAttr)
{
_comTypeLibrary = comTypeLibrary;
_typeInfo = typeInfo;
_pTypeAttr = pTypeAttr;
_typeAttr = _pTypeAttr.ToStructure<System.Runtime.InteropServices.ComTypes.TYPEATTR>();
_typeInfo.GetDocumentation(-1, out _name, out _description, out _helpContext, out _helpFile);
}
