private static extern int ChangeDisplaySettingsEx(string lpszDeviceName, ref DeviceMode mode, IntPtr hwnd, uint dwflags, IntPtr lParam);
public bool Load()
{
if (State != MirrorState.Idle)
{
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 = 24;
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 = 768;
_bitmapWidth = deviceMode.dmPelsWidth = 1024;
bool deviceFound;
uint deviceIndex = 0;
while (deviceFound = EnumDisplayDevices(null, deviceIndex, ref device, 0))
{
f.WriteLine("Display" + driverInstanceName);
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
f.WriteLine("Loaded" + driverInstanceName);
State = MirrorState.Loaded;
return(true);
}
