/// <summary>
/// Init some variables one times to spend execution time.
/// </summary>
public DirectX()
{
try
{
factory = new Factory1();
adapter = factory.GetAdapter1(numAdapter);
device = new Device(adapter);
output = adapter.GetOutput(numOutput);
output1 = output.QueryInterface<Output1>();
// get screen wize
textureDesc = new Texture2DDescription
{
CpuAccessFlags = CpuAccessFlags.Read,
BindFlags = BindFlags.None,
Format = Format.B8G8R8A8_UNorm,
Width = ((SharpDX.Mathematics.Interop.RawRectangle)output.Description.DesktopBounds).Right - ((SharpDX.Mathematics.Interop.RawRectangle)output.Description.DesktopBounds).Left,
Height = ((SharpDX.Mathematics.Interop.RawRectangle)output.Description.DesktopBounds).Bottom - ((SharpDX.Mathematics.Interop.RawRectangle)output.Description.DesktopBounds).Top,
OptionFlags = ResourceOptionFlags.None,
MipLevels = 1,
ArraySize = 1,
SampleDescription = { Count = 1, Quality = 0 },
Usage = ResourceUsage.Staging
};
screenTexture = new Texture2D(device, textureDesc);
try
{
duplicatedOutput = output1.DuplicateOutput(device);
}
catch (SharpDXException e)
{
if (e.ResultCode.Code == SharpDX.DXGI.ResultCode.Unsupported.Result.Code)
{
throw new System.ApplicationException("Your system does not support DirectX 11.2 (normally on windows 7). Please use 'Use GDI Capture' option to prevent this error!");
}
else {
throw e;
}
}
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// Init some variables one times to spend execution time.
/// </summary>
public DirectX()
{
try
{
factory = new Factory1();
adapter = factory.GetAdapter1(numAdapter);
device = new Device(adapter);
output = adapter.GetOutput(numOutput);
output1 = output.QueryInterface<Output1>();
// get screen wize
textureDesc = new Texture2DDescription
{
CpuAccessFlags = CpuAccessFlags.Read,
BindFlags = BindFlags.None,
Format = Format.B8G8R8A8_UNorm,
Width = ((SharpDX.Mathematics.Interop.RawRectangle)output.Description.DesktopBounds).Right - ((SharpDX.Mathematics.Interop.RawRectangle)output.Description.DesktopBounds).Left,
Height = ((SharpDX.Mathematics.Interop.RawRectangle)output.Description.DesktopBounds).Bottom - ((SharpDX.Mathematics.Interop.RawRectangle)output.Description.DesktopBounds).Top,
OptionFlags = ResourceOptionFlags.None,
MipLevels = 1,
ArraySize = 1,
SampleDescription = { Count = 1, Quality = 0 },
Usage = ResourceUsage.Staging
};
screenTexture = new Texture2D(device, textureDesc);
duplicatedOutput = output1.DuplicateOutput(device);
}
catch (Exception ex)
{
throw ex;
}
}
private OutputDuplication InitializeOutputDuplication(Output output)
{
try
{
using (var output1 = output.QueryInterface<Output1>())
{
return output1.DuplicateOutput(_device);
}
}
catch (SharpDXException)
{
throw new ScreenException("Unable to initialize the Desktop Duplication API.");
}
}
