public virtual void Expand() { if (!this.IsCollapsed) { return; } CancelEventArgs e = new CancelEventArgs(); this.OnExpanding(e); if (e.Cancel) { return; } this.IsCollapsed = false; this.ItemContainer.Visibility = ElementVisibility.Visible; if (this.GetEffectiveDisplayMode((float)this.Size.Width) == NavigationViewDisplayModes.Expanded) { if (this.AllowAnimation) { Size size1 = new Size(TelerikDpiHelper.ScaleInt(this.CollapsedPaneWidth, new SizeF(1f / this.DpiScaleFactor.Width, 0.0f)), 0); Size size2 = new Size(TelerikDpiHelper.ScaleInt(this.ExpandedPaneWidth, new SizeF(1f / this.DpiScaleFactor.Width, 0.0f)), 0); AnimatedPropertySetting animatedPropertySetting = new AnimatedPropertySetting(RadElement.MinSizeProperty, (object)size1, (object)size2, this.AnimationFrames, this.AnimationInterval); animatedPropertySetting.AnimationFinished += (AnimationFinishedEventHandler)((param0, param1) => { foreach (LightVisualElement lightVisualElement in (IEnumerable <RadPageViewItem>) this.Items) { lightVisualElement.DrawText = true; } this.OnExpanded(EventArgs.Empty); }); animatedPropertySetting.ApplyValue((RadObject)this.ItemContainer); } else { this.ItemContainer.MinSize = new Size(TelerikDpiHelper.ScaleInt(this.ExpandedPaneWidth, new SizeF(1f / this.DpiScaleFactor.Width, 0.0f)), 0); this.OnExpanded(EventArgs.Empty); } } else { this.PopupStack.Children.Insert(0, (RadElement)this.HamburgerButton); if (!this.PopupStack.Children.Contains((RadElement)this.ItemContainer)) { this.PopupStack.Children.Add((RadElement)this.ItemContainer); } this.HamburgerButton.Alignment = this.RightToLeft ? ContentAlignment.TopRight : ContentAlignment.TopLeft; this.HamburgerButton.StretchHorizontally = true; int num1 = (int)this.ItemContainer.ItemLayout.SetValue(RadPageViewStripElement.StripAlignmentProperty, (object)StripViewAlignment.Right); int num2 = (int)this.ItemContainer.ResetValue(RadElement.MinSizeProperty, ValueResetFlags.Animation); this.ItemContainer.MinSize = new Size(TelerikDpiHelper.ScaleInt(this.ExpandedPaneWidth, new SizeF(1f / this.DpiScaleFactor.Width, 0.0f)), 0); this.ItemContainer.MaxSize = Size.Empty; foreach (LightVisualElement lightVisualElement in (IEnumerable <RadPageViewItem>) this.Items) { lightVisualElement.DrawText = true; } if (this.Popup.ElementTree.RootElement.ElementState != ElementState.Loaded) { this.Popup.LoadElementTree(new Size(this.ExpandedPaneWidth, (int)this.DesiredSize.Height)); } RadPageViewNavigationViewElement.ApplyThemeToPopup((RadElementTree)this.ElementTree, this.Popup); this.Popup.Size = new Size(this.ExpandedPaneWidth, (int)this.DesiredSize.Height); this.Popup.DropDownAnimationDirection = this.RightToLeft ? RadDirection.Left : RadDirection.Right; this.Popup.HorizontalPopupAlignment = this.RightToLeft ? HorizontalPopupAlignment.RightToRight : HorizontalPopupAlignment.LeftToLeft; this.Popup.VerticalPopupAlignment = VerticalPopupAlignment.TopToBottom; this.Popup.RootElement.BackColor = this.BackColor; this.Popup.Show(this.PointToScreen(this.RightToLeft ? new Point(this.Bounds.Right, this.Bounds.Top) : new Point(this.Bounds.Left, this.Bounds.Top))); this.OnExpanded(EventArgs.Empty); } }
public HamburgerButtonElement( RadPageViewNavigationViewElement navigationViewElement) { this.navigationViewElement = navigationViewElement; }