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Simplified implementation of VirtualDisk.GetStorageDependencyInformation

pull/285/head
dahall 2022-03-12 19:30:03 -07:00
parent 6ee30c5fca
commit 9b841bdd15
1 changed files with 3 additions and 2 deletions
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5
VirtualDisk/VirtualDisk.cs
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@ -462,7 +462,7 @@ namespace Vanara.IO
/// <remarks>CD and DVD image files (ISO) are not supported before Windows 8 and Windows Server 2012.</remarks>
public static STORAGE_DEPENDENCY_INFO_TYPE_2[] GetStorageDependencyInformation(IntPtr handle, GET_STORAGE_DEPENDENCY_FLAG flags)
{
using SafeCoTaskMemStruct<STORAGE_DEPENDENCY_INFO> mem = new(new STORAGE_DEPENDENCY_INFO { Version = STORAGE_DEPENDENCY_INFO_VERSION.STORAGE_DEPENDENCY_INFO_VERSION_2 });
using var mem = SafeCoTaskMemHandle.CreateFromStructure(new STORAGE_DEPENDENCY_INFO { Version = STORAGE_DEPENDENCY_INFO_VERSION.STORAGE_DEPENDENCY_INFO_VERSION_2 });
Win32Error err = VirtDisk.GetStorageDependencyInformation(handle, flags, mem.Size, mem, out int sz);
if (err == Win32Error.ERROR_INSUFFICIENT_BUFFER)
{
@ -470,7 +470,8 @@ namespace Vanara.IO
err = VirtDisk.GetStorageDependencyInformation(handle, flags, mem.Size, mem, out sz);
}
err.ThrowIfFailed();
return mem.AsRef().Entries.ToTypedArray<STORAGE_DEPENDENCY_INFO_TYPE_2>();
// Get array at offset 8 from count at offset 4
return mem.ToArray<STORAGE_DEPENDENCY_INFO_TYPE_2>(mem.ToStructure<int>(sizeof(int)), sizeof(uint) * 2);
}
/// <summary>Creates an instance of a Virtual Disk from a file.</summary>