public static extern int ChangeDisplaySettingsEx(string lpszDeviceName, ref DeviceMode mode, IntPtr hwnd, uint dwflags, IntPtr lParam);
/// <summary>
///
/// </summary>
private static void UnloadDriver() {
unmapSharedBuffers();
var deviceMode = new DeviceMode();
deviceMode.dmSize = (short)Marshal.SizeOf(typeof(DeviceMode));
deviceMode.dmDriverExtra = 0;
deviceMode.dmFields = (DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT | DM_POSITION);
var device = new DisplayDevice();
device.CallBack = Marshal.SizeOf(device);
deviceMode.dmDeviceName = string.Empty;
uint deviceIndex = 0;
while (NativeMethods.EnumDisplayDevices(null, deviceIndex, ref device, 0)) {
if (device.DeviceString.Equals(driverName))
break;
deviceIndex++;
}
Debug.Assert(_registryKey != null);
_registryKey.SetValue("Attach.ToDesktop", 0);
_registryKey.Close();
deviceMode.dmDeviceName = driverMiniportName;
if (deviceMode.dmBitsPerPel == 24)
deviceMode.dmBitsPerPel = 32;
try {
SafeChangeDisplaySettingsEx(device.DeviceName, ref deviceMode, IntPtr.Zero, CDS_UPDATEREGISTRY, IntPtr.Zero);
SafeChangeDisplaySettingsEx(device.DeviceName, ref deviceMode, IntPtr.Zero, 0, IntPtr.Zero);
} catch {
}
}
/// <summary>
///
/// </summary>
private static void LoadDriver() {
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;
if ((_bitmapBpp = deviceMode.dmBitsPerPel) != 32)
throw new Exception("Unsupported bitmap format");
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;
bool deviceFound;
uint deviceIndex = 0;
String drivers = "";
while (deviceFound = NativeMethods.EnumDisplayDevices(null, deviceIndex, ref device, 0)) {
// Trace.WriteLine("DEBUG: Found display driver: " + device.DeviceString + " " + device.DeviceName);
if (device.DeviceString == driverName)
break;
drivers = drivers + " " + device.DeviceString;
deviceIndex++;
}
if (!deviceFound) {
// MessageBox.Show("The appropriate mirror driver is not loaded. Only found " + drivers, "FATAL");
throw new Exception("Mirror driver not loaded");
}
driverInstanceName = device.DeviceName;
const string driverRegistryPath = "SYSTEM\\CurrentControlSet\\Hardware Profiles\\Current\\System\\CurrentControlSet\\Services";
_registryKey = Registry.LocalMachine.OpenSubKey(driverRegistryPath, true);
if (_registryKey != null) {
_registryKey = _registryKey.CreateSubKey(driverMiniportName);
if (_registryKey != null)
_registryKey = _registryKey.CreateSubKey(driverDeviceNumber);
else
throw new Exception("Couldn't open registry key");
} else
throw new Exception("Couldn't open registry key");
// _registryKey.SetValue("Cap.DfbBackingMode", 0);
// _registryKey.SetValue("Order.BltCopyBits.Enabled", 1);
_registryKey.SetValue("Cap.DfbBackingMode", 3);
_registryKey.SetValue("Screen.ForcedBpp", 32);
_registryKey.SetValue("Pointer.Enabled", 1);
_registryKey.SetValue("Attach.ToDesktop", 1);
try {
SafeChangeDisplaySettingsEx(device.DeviceName, ref deviceMode, IntPtr.Zero, CDS_UPDATEREGISTRY, IntPtr.Zero);
SafeChangeDisplaySettingsEx(device.DeviceName, ref deviceMode, IntPtr.Zero, 0, IntPtr.Zero);
} catch {
}
try {
if (!mapSharedBuffers())
throw new InvalidOperationException("mapSharedBuffers failed");
} catch {
throw new InvalidOperationException("mapSharedBuffers failed.");
}
}
/// <summary>
///
/// </summary>
/// <param name="lpszDeviceName"></param>
/// <param name="mode"></param>
/// <param name="hwnd"></param>
/// <param name="dwflags"></param>
/// <param name="lParam"></param>
private static void SafeChangeDisplaySettingsEx(string lpszDeviceName, ref DeviceMode mode, IntPtr hwnd, uint dwflags, IntPtr lParam) {
int result = NativeMethods.ChangeDisplaySettingsEx(lpszDeviceName, ref mode, hwnd, dwflags, lParam);
switch (result) {
case 0:
return; //DISP_CHANGE_SUCCESSFUL
case 1:
throw new Exception("The computer must be restarted for the graphics mode to work."); //DISP_CHANGE_RESTART
case -1:
throw new Exception("The display driver failed the specified graphics mode."); // DISP_CHANGE_FAILED
case -2:
throw new Exception("The graphics mode is not supported."); // DISP_CHANGE_BADMODE
case -3:
throw new Exception("Unable to write settings to the registry."); // DISP_CHANGE_NOTUPDATED
case -4:
throw new Exception("An invalid set of flags was passed in."); // DISP_CHANGE_BADFLAGS
case -5:
throw new Exception("An invalid parameter was passed in. This can include an invalid flag or combination of flags."); // DISP_CHANGE_BADPARAM
case -6:
throw new Exception("The settings change was unsuccessful because the system is DualView capable."); // DISP_CHANGE_BADDUALVIEW
}
}
public static extern int ChangeDisplaySettingsEx(string lpszDeviceName, ref DeviceMode mode, IntPtr hwnd, uint dwflags, IntPtr lParam);
/// <summary>
///
/// </summary>
private static void LoadDriver()
{
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;
}
if ((_bitmapBpp = deviceMode.dmBitsPerPel) != 32)
{
throw new Exception("Unsupported bitmap format");
}
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;
bool deviceFound;
uint deviceIndex = 0;
String drivers = "";
while (deviceFound = NativeMethods.EnumDisplayDevices(null, deviceIndex, ref device, 0))
{
// Trace.WriteLine("DEBUG: Found display driver: " + device.DeviceString + " " + device.DeviceName);
if (device.DeviceString == driverName)
{
break;
}
drivers = drivers + " " + device.DeviceString;
deviceIndex++;
}
if (!deviceFound)
{
// MessageBox.Show("The appropriate mirror driver is not loaded. Only found " + drivers, "FATAL");
throw new Exception("Mirror driver not loaded");
}
driverInstanceName = device.DeviceName;
const string driverRegistryPath = "SYSTEM\\CurrentControlSet\\Hardware Profiles\\Current\\System\\CurrentControlSet\\Services";
_registryKey = Registry.LocalMachine.OpenSubKey(driverRegistryPath, true);
if (_registryKey != null)
{
_registryKey = _registryKey.CreateSubKey(driverMiniportName);
if (_registryKey != null)
{
_registryKey = _registryKey.CreateSubKey(driverDeviceNumber);
}
else
{
throw new Exception("Couldn't open registry key");
}
}
else
{
throw new Exception("Couldn't open registry key");
}
// _registryKey.SetValue("Cap.DfbBackingMode", 0);
// _registryKey.SetValue("Order.BltCopyBits.Enabled", 1);
_registryKey.SetValue("Cap.DfbBackingMode", 3);
_registryKey.SetValue("Screen.ForcedBpp", 32);
_registryKey.SetValue("Pointer.Enabled", 1);
_registryKey.SetValue("Attach.ToDesktop", 1);
try {
SafeChangeDisplaySettingsEx(device.DeviceName, ref deviceMode, IntPtr.Zero, CDS_UPDATEREGISTRY, IntPtr.Zero);
SafeChangeDisplaySettingsEx(device.DeviceName, ref deviceMode, IntPtr.Zero, 0, IntPtr.Zero);
} catch {
}
try {
if (!mapSharedBuffers())
{
throw new InvalidOperationException("mapSharedBuffers failed");
}
} catch {
throw new InvalidOperationException("mapSharedBuffers failed.");
}
}