public void GetStorageDependencyInformationTest()
{
try
{
using var handle = Kernel32.CreateFile(@"\\.\PhysicalDrive2", Kernel32.FileAccess.GENERIC_READ, System.IO.FileShare.ReadWrite, default, System.IO.FileMode.Open, FileFlagsAndAttributes.FILE_ATTRIBUTE_NORMAL | FileFlagsAndAttributes.FILE_FLAG_BACKUP_SEMANTICS);
Assert.That(handle, ResultIs.ValidHandle);
using var mem = new SafeCoTaskMemStruct <STORAGE_DEPENDENCY_INFO>(new STORAGE_DEPENDENCY_INFO { Version = STORAGE_DEPENDENCY_INFO_VERSION.STORAGE_DEPENDENCY_INFO_VERSION_2 });
var flags = GET_STORAGE_DEPENDENCY_FLAG.GET_STORAGE_DEPENDENCY_FLAG_HOST_VOLUMES | GET_STORAGE_DEPENDENCY_FLAG.GET_STORAGE_DEPENDENCY_FLAG_DISK_HANDLE;
var err = GetStorageDependencyInformation(handle.DangerousGetHandle(), flags, mem.Size, mem, out var sz);
if (err == Win32Error.ERROR_INSUFFICIENT_BUFFER)
{
mem.Size = sz;
err = GetStorageDependencyInformation(handle.DangerousGetHandle(), flags, mem.Size, mem, out sz);
}
err.ThrowIfFailed();
mem.AsRef().Entries.WriteValues();
}
finally
{
//System.IO.File.Delete(tmpfn);
}
}
