/// <summary>
/// Duplicates the output of the specified monitor on the specified graphics adapter.
/// </summary>
/// <param name="whichGraphicsCardAdapter">The adapter which contains the desired outputs.</param>
/// <param name="whichOutputDevice">The output device to duplicate (i.e. monitor). Begins with zero, which seems to correspond to the primary monitor.</param>
public DesktopDuplicator(int whichGraphicsCardAdapter, int whichOutputDevice)
{
this.mWhichOutputDevice = whichOutputDevice;
Adapter1 adapter = null;
try
{
adapter = new Factory1().GetAdapter1(whichGraphicsCardAdapter);
}
catch (SharpDXException)
{
throw new DesktopDuplicationException("Could not find the specified graphics card adapter.");
}
this.mDevice = new Device(adapter);
Output output = null;
try
{
output = adapter.GetOutput(whichOutputDevice);
}
catch (SharpDXException)
{
throw new DesktopDuplicationException("Could not find the specified output device.");
}
var output1 = output.QueryInterface<Output1>();
this.mOutputDesc = output.Description;
this.mTextureDesc = new Texture2DDescription()
{
CpuAccessFlags = CpuAccessFlags.Read,
BindFlags = BindFlags.None,
Format = Format.B8G8R8A8_UNorm,
Width = this.mOutputDesc.DesktopBounds.Width,
Height = this.mOutputDesc.DesktopBounds.Height,
OptionFlags = ResourceOptionFlags.None,
MipLevels = 1,
ArraySize = 1,
SampleDescription = { Count = 1, Quality = 0 },
Usage = ResourceUsage.Staging
};
try
{
this.mDeskDupl = output1.DuplicateOutput(mDevice);
}
catch (SharpDXException ex)
{
if (ex.ResultCode.Code == SharpDX.DXGI.ResultCode.NotCurrentlyAvailable.Result.Code)
{
throw new DesktopDuplicationException("There is already the maximum number of applications using the Desktop Duplication API running, please close one of the applications and try again.");
}
}
}
public ScreenDublicator()
{
Adapter adapter = null;
Output output = null;
Output1 output1 = null;
try
{
//Адаптер
adapter = new Factory1().GetAdapter1(this.ADAPTER);
//Устройство
this._device = new Device(adapter);
output = adapter.GetOutput(this.MONITOR);
//Выход
output1 = output.QueryInterface<Output1>();
this._outputDesc = output.Description;
this._width = this._outputDesc.DesktopBounds.Right - this._outputDesc.DesktopBounds.Left;
this._height = this._outputDesc.DesktopBounds.Bottom - this._outputDesc.DesktopBounds.Top;
this._textureDesc = new Texture2DDescription()
{
CpuAccessFlags = CpuAccessFlags.Read,
BindFlags = BindFlags.None,
Format = Format.B8G8R8A8_UNorm,
Width = this._width,
Height = this._height,
OptionFlags = ResourceOptionFlags.None,
MipLevels = 1,
ArraySize = 1,
SampleDescription = { Count = 1, Quality = 0 },
Usage = ResourceUsage.Staging
};
this._outputDublication = output1.DuplicateOutput(this._device);
//Текстура
this._desktopTexture = new Texture2D(this._device, this._textureDesc);
}
catch(SharpDXException sdxex)
{
if (sdxex.ResultCode.Code == SharpDX.DXGI.ResultCode.NotCurrentlyAvailable.Result.Code)
{
throw new ScreenDublicatorException("Достигнут предел приложений, работающих с API)");
}
else
{
string message = String.Format("Не удалось создать дублирующий выход");
Debug.WriteLine(message + "\n{0}\n{1}", sdxex.Message, sdxex.StackTrace);
throw new ScreenDublicatorException(message);
}
}
catch(Exception ex)
{
string message = String.Format("Ошибка при инициализации объекта\n{0}\n{1}", ex.Message, ex.StackTrace);
throw new ScreenDublicatorException(message);
}
finally
{
if(adapter != null) { adapter.Dispose(); }
if(output != null) { output.Dispose(); }
if(output1 != null) { output1.Dispose(); }
}
}