public UInt64 GetFreeDiskSpace(String folderPath)
{
if (folderPath == null)
{
throw new ArgumentNullException("folderPath");
}
SetupLogger.LogInfo("GetFreeDiskSpace");
SetupLogger.LogData("Folder Path: ", folderPath);
UInt64 freeBytes = 0;
UInt64 totalBytes = 0;
UInt64 totalfreeBytes = 0;
String validFolderPath = PathHelper.GetExistingAncestor(folderPath);
InstallLocationValidation.GetDiskFreeSpace(validFolderPath, ref freeBytes, ref totalBytes, ref totalfreeBytes);
// Convert the bytes in Megabytes
freeBytes = freeBytes / (UInt64)Math.Pow(2, 20);
SetupLogger.LogData("FreeSpace: ", freeBytes.ToString());
return(freeBytes);
}
