/// <summary>
/// Creates a Snapshot from a windowless control
/// </summary>
/// <param name="control">control that is being drawn to by the VMR7</param>
public Snapshot(IVMRWindowlessControl control)
{
int hr;
hr = control.GetCurrentImage(out _dib);
DsError.ThrowExceptionForHR(hr);
}
public override bool GetCurrentImage(out BITMAPINFOHEADER header, out IntPtr dibFull, out IntPtr dibDataOnly)
{
int hr = _pVMRWindowlessControl.GetCurrentImage(out dibFull);
if (DsHlp.SUCCEEDED(hr))
{
header = (BITMAPINFOHEADER)Marshal.PtrToStructure(dibFull, typeof(BITMAPINFOHEADER));
dibDataOnly = new IntPtr(dibFull.ToInt64() + Marshal.SizeOf(typeof(BITMAPINFOHEADER)));
return(true);
}
else
{
header = new BITMAPINFOHEADER();
dibDataOnly = IntPtr.Zero;
return(false);
}
}
