UnityEditor.TreeViewForAudioMixerGroup.GroupTreeViewGUI.GetFirstAndLastRowVisible C# (CSharp) Method

            public override void GetFirstAndLastRowVisible(out int firstRowVisible, out int lastRowVisible)
            {
                if (base.m_TreeView.isSearching)
                {
                    base.GetFirstAndLastRowVisible(out firstRowVisible, out lastRowVisible);
                }
                else
                {
                    int rowCount = base.m_TreeView.data.rowCount;
                    if (rowCount != this.m_RowRects.Count)
                    {
                        Debug.LogError("Mismatch in state: rows vs cached rects");
                    }
                    int num2 = -1;
                    int num3 = -1;
                    float y = base.m_TreeView.state.scrollPos.y;
                    float height = base.m_TreeView.GetTotalRect().height;
                    for (int i = 0; i < this.m_RowRects.Count; i++)
                    {
                        Rect rect2 = this.m_RowRects[i];
                        if (rect2.y > y)
                        {
                            Rect rect3 = this.m_RowRects[i];
                            if (rect3.y < (y + height))
                            {
                                goto Label_00FC;
                            }
                        }
                        Rect rect4 = this.m_RowRects[i];
                        System.Boolean ReflectorVariable0 = true;
                        goto Label_00FD;
                    Label_00FC:
                        ReflectorVariable0 = false;
                    Label_00FD:
                        if (ReflectorVariable0 ? ((rect4.yMax > y) && (this.m_RowRects[i].yMax < (y + height))) : true)
                        {
                            if (num2 == -1)
                            {
                                num2 = i;
                            }
                            num3 = i;
                        }
                    }
                    if ((num2 != -1) && (num3 != -1))
                    {
                        firstRowVisible = num2;
                        lastRowVisible = num3;
                    }
                    else
                    {
                        firstRowVisible = 0;
                        lastRowVisible = rowCount - 1;
                    }
                }
            }