public bool MountSDCardDrive()
{
const int INVALID_HANDLE_VALUE = -1;
string mRegPath1 = "";
int handle = INVALID_HANDLE_VALUE;
DeviceSearchType searchType = DeviceSearchType.DeviceSearchByDeviceName;
DEVMGR_DEVICE_INFORMATION di = new DEVMGR_DEVICE_INFORMATION();
di.dwSize = (uint)Marshal.SizeOf(typeof(DEVMGR_DEVICE_INFORMATION));
String searchParamString = "SDH1";
IntPtr searchParam = Marshal.StringToBSTR(searchParamString);
handle = FindFirstDevice(searchType, searchParam, ref di);
if (handle == INVALID_HANDLE_VALUE)
{
// Failure - print error
int hFindFirstDeviceError = Marshal.GetLastWin32Error();
using (StreamWriter bw = new StreamWriter(File.Open(App.chipDebugFile,
FileMode.Append)))
{
String iua = "DevDriverInterface: error from FindFirstDevice: " +
hFindFirstDeviceError.ToString();
bw.WriteLine(iua);
}
return(false);
}
else
{
mRegPath1 = di.szDeviceKey;
bool deactBool = DeactivateDevice((int)di.hDevice);
if (deactBool == false)
{
using (StreamWriter bw = new StreamWriter(File.Open(App.chipDebugFile,
FileMode.Append)))
{
String iua = "DevDriverInterface: DeactivateDevice: returned false -
FAILED";
bw.WriteLine(iua);
}
return(false);
}
Thread.Sleep(50);
// Call ActiveDevice to setup the device driver
handle = ActivateDeviceEx(mRegPath1, IntPtr.Zero, 0, IntPtr.Zero);
if (handle == INVALID_HANDLE_VALUE)
{
// Failure - print error
int hActivateDeviceError = Marshal.GetLastWin32Error();
using (StreamWriter bw = new StreamWriter(File.Open(App.chipDebugFile,
FileMode.Append)))
{
String iua = "DevDriverInterface: error from ActivateDevice: " +
hActivateDeviceError.ToString();
bw.WriteLine(iua);
}
return(false);
}
}
return(true);
}
public static extern int FindFirstDevice(DeviceSearchType
searchType, IntPtr searchParam, ref DEVMGR_DEVICE_INFORMATION pdi);
