private static extern bool EnumDisplayDevices(string lpDevice, uint ideviceIndex, ref DisplayDevice lpdevice, uint dwFlags);
// List<string> logger = new List<string>();
public bool Load()
{
if (State != MirrorState.Idle)
{
Debug.WriteLine("Invalid Operation Exception Thrown at Load");
throw new InvalidOperationException("You may call Load only if the state is Idle");
}
var device = new DisplayDevice();
var deviceMode = new DeviceMode {
dmDriverExtra = 0
};
device.CallBack = Marshal.SizeOf(device);
deviceMode.dmSize = (short)Marshal.SizeOf(deviceMode);
deviceMode.dmBitsPerPel = Screen.PrimaryScreen.BitsPerPixel;
if (deviceMode.dmBitsPerPel == 24)
{
deviceMode.dmBitsPerPel = 32;
}
_bitmapBpp = deviceMode.dmBitsPerPel;
deviceMode.dmDeviceName = string.Empty;
deviceMode.dmFields = (DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT | DM_POSITION);
_bitmapHeight = deviceMode.dmPelsHeight = Screen.PrimaryScreen.Bounds.Height;
_bitmapWidth = deviceMode.dmPelsWidth = Screen.PrimaryScreen.Bounds.Width;
Debug.WriteLine("Driver Resolution: " + Screen.PrimaryScreen.Bounds);
bool deviceFound;
uint deviceIndex = 0;
while (deviceFound = EnumDisplayDevices(null, deviceIndex, ref device, 0))
{
if (device.DeviceString == driverName)
{
break;
}
deviceIndex++;
}
//if (!deviceFound) return false;
driverInstanceName = device.DeviceName;
_registryKey = Registry.LocalMachine.OpenSubKey(driverRegistryPath, true);
if (_registryKey != null)
{
_registryKey = _registryKey.CreateSubKey(driverMiniportName);
}
else
{
throw new Exception("Couldn't open registry key");
}
if (_registryKey != null)
{
_registryKey = _registryKey.CreateSubKey(driverDeviceNumber);
}
else
{
throw new Exception("Couldn't open registry key");
}
// _registryKey.SetValue("Cap.DfbBackingMode", 0);
// _registryKey.SetValue("Order.BltCopyBits.Enabled", 1);
_registryKey.SetValue("Attach.ToDesktop", 1);
#region This was CommitDisplayChanges
SafeChangeDisplaySettingsEx(device.DeviceName, ref deviceMode, IntPtr.Zero, CDS_UPDATEREGISTRY, IntPtr.Zero);
SafeChangeDisplaySettingsEx(device.DeviceName, ref deviceMode, IntPtr.Zero, 0, IntPtr.Zero);
#endregion
State = MirrorState.Loaded;
return(true);
}