something wrong

lab4's
if (((depthFrameDescription.Width * depthFrameDescription.Height)
                    == this.infraredFrameData.Length) &&
                    (depthFrameDescription.Width == this.bitmap.PixelWidth) &&
                    (depthFrameDescription.Height == this.bitmap.PixelHeight))
infraredFrameData in the function ShowDepthFrame maybe depthFrameData