How to get a hard drives list(like C, D, E)?

Development Programming & Scripting
1

Hi, I want to know how many hard drives in PC.
I can iterate files and directories from C: with

IPlatformFile::FDirectoryVisitor
IFileManager::Get().IterateDirectory

But, I don’t know where I can get hard drives list.

2

In SlateFileDlgWindows.cpp, UE4 call GetLogicalDrives() (windows API) directly.

3

You don’t want to execute this code in a tick function but it should work fine:

TArray<FString> ALibraryActor::GetDrives()
{
	TArray<FString> drives;
	FString letters = TEXT("CDEFGHIJKLMNOPQRSTUVWXYZ");
	FString drive;

	for (int32 i = 0; i < letters.Len(); i++)
	{
		drive = FString(1, (&letters.GetCharArray()[i]));
		drive.Append(TEXT(":/"));

		const FString fullPath = FPaths::GetCleanFilename(drive);
		const FFileStatData data = FPlatformFileManager::Get().GetPlatformFile().GetStatData(*drive);
		if (data.bIsDirectory)
		{
			drives.Add(drive);
		}
	}
	return drives;
}
4

Thanks, thebenjiman.