BlenderRenderController.MainForm.nextChunkButton_Click C# (CSharp) Method

        private void nextChunkButton_Click(object sender, EventArgs e)
        {
            var difference = endFrameNumericUpDown.Value - startFrameNumericUpDown.Value;
            startFrameNumericUpDown.Value = endFrameNumericUpDown.Value + 1;

            if (endFrameNumericUpDown.Value + difference + 1 > totalFrameCountNumericUpDown.Value)
            {
                endFrameNumericUpDown.Value = totalFrameCountNumericUpDown.Value;
            }
            else
            {
                endFrameNumericUpDown.Value = startFrameNumericUpDown.Value + difference;
            }

        }