private static bool HasTrimEnabled(string drive)
{
Logger.Info("Checking trim enabled for drive: " + drive);
SafeFileHandle fileW = SSDCheck.CreateFileW(drive, 0U, 3U, IntPtr.Zero, 3U, 128U, IntPtr.Zero);
if (fileW == null || fileW.IsInvalid)
{
Logger.Error("CreateFile failed with message: " + SSDCheck.GetErrorMessage(Marshal.GetLastWin32Error()));
throw new Exception("check the error message above");
}
uint dwIoControlCode = SSDCheck.CTL_CODE(45U, 1280U, 0U, 0U);
SSDCheck.STORAGE_PROPERTY_QUERY lpInBuffer = new SSDCheck.STORAGE_PROPERTY_QUERY()
{
PropertyId = 8,
QueryType = 0
};
SSDCheck.DEVICE_TRIM_DESCRIPTOR lpOutBuffer = new SSDCheck.DEVICE_TRIM_DESCRIPTOR();
int num = SSDCheck.DeviceIoControl(fileW, dwIoControlCode, ref lpInBuffer, (uint)Marshal.SizeOf((object)lpInBuffer), ref lpOutBuffer, (uint)Marshal.SizeOf((object)lpOutBuffer), out uint _, IntPtr.Zero) ? 1 : 0;
fileW?.Close();
if (num == 0)
{
Logger.Error("DeviceIoControl failed to query trim enabled. " + SSDCheck.GetErrorMessage(Marshal.GetLastWin32Error()));
throw new Exception("check the error message above");
}
bool trimEnabled = lpOutBuffer.TrimEnabled;
Logger.Info(string.Format("Is Trim Enabled: {0}", (object)trimEnabled));
return(trimEnabled);
}
private static extern bool DeviceIoControl(
SafeFileHandle hDevice,
uint dwIoControlCode,
ref SSDCheck.STORAGE_PROPERTY_QUERY lpInBuffer,
uint nInBufferSize,
ref SSDCheck.DEVICE_TRIM_DESCRIPTOR lpOutBuffer,
uint nOutBufferSize,
out uint lpBytesReturned,
IntPtr lpOverlapped);
