public bool MovePrevious() { if (!this.currentPosition.HasValue) { return(false); } int num1 = 0; if (this.viewState.EnablePaging) { num1 = this.viewState.PageIndex * this.viewState.PageSize; } int?currentPosition1; int num2; do { VirtualGridTraverser virtualGridTraverser = this; int?currentPosition2 = virtualGridTraverser.currentPosition; virtualGridTraverser.currentPosition = currentPosition2.HasValue ? new int?(currentPosition2.GetValueOrDefault() - 1) : new int?(); if (this.viewState.IsPinned(this.currentPosition.Value)) { currentPosition1 = this.currentPosition; num2 = num1; } else { break; } }while ((currentPosition1.GetValueOrDefault() >= num2 ? 0 : (currentPosition1.HasValue ? 1 : 0)) != 0); int?currentPosition3 = this.currentPosition; int num3 = num1; if ((currentPosition3.GetValueOrDefault() >= num3 ? 0 : (currentPosition3.HasValue ? 1 : 0)) != 0) { this.currentPosition = new int?(); } return(true); }
public bool MoveNext() { int val1 = this.viewState.ItemCount - 1; if (this.viewState.EnablePaging) { val1 = Math.Min(val1, (this.viewState.PageIndex + 1) * this.viewState.PageSize - 1); } if (!this.currentPosition.HasValue) { if (val1 < 0) { return(false); } this.currentPosition = new int?(0); if (this.viewState.EnablePaging) { this.currentPosition = new int?(this.viewState.PageIndex * this.viewState.PageSize); } int?currentPosition1; VirtualGridTraverser virtualGridTraverser; for (; this.viewState.IsPinned(this.currentPosition.Value); virtualGridTraverser.currentPosition = currentPosition1.HasValue ? new int?(currentPosition1.GetValueOrDefault() + 1) : new int?()) { int?currentPosition2 = this.currentPosition; int num = val1; if ((currentPosition2.GetValueOrDefault() > num ? 0 : (currentPosition2.HasValue ? 1 : 0)) != 0) { virtualGridTraverser = this; currentPosition1 = virtualGridTraverser.currentPosition; } else { break; } } int?currentPosition3 = this.currentPosition; int num1 = val1; if ((currentPosition3.GetValueOrDefault() <= num1 ? 0 : (currentPosition3.HasValue ? 1 : 0)) == 0) { return(true); } this.currentPosition = new int?(val1); return(false); } int?currentPosition4 = this.currentPosition; int num2 = val1; if ((currentPosition4.GetValueOrDefault() >= num2 ? 0 : (currentPosition4.HasValue ? 1 : 0)) == 0) { return(false); } int?currentPosition5; int num3; do { VirtualGridTraverser virtualGridTraverser = this; int?currentPosition1 = virtualGridTraverser.currentPosition; virtualGridTraverser.currentPosition = currentPosition1.HasValue ? new int?(currentPosition1.GetValueOrDefault() + 1) : new int?(); if (this.viewState.IsPinned(this.currentPosition.Value)) { currentPosition5 = this.currentPosition; num3 = val1; } else { break; } }while ((currentPosition5.GetValueOrDefault() >= num3 ? 0 : (currentPosition5.HasValue ? 1 : 0)) != 0); return(!this.viewState.IsPinned(this.currentPosition.Value)); }