Parameter is not valid. at System.Drawing.Graphics.GetHdc() at Infragistics.Win.FormattedLinkLabel.PositionElementsCache.MeasureTextGDIOrThemed(String text, Font font, TextFormatFlags textFormatFlags) at Infragistics.Win.FormattedLinkLabel.PositionElementsCache.MeasureCharacterRangesGDI(String text, Font font, TextFormatFlags textFormatFlags, CharacterRange[] ranges) at Infragistics.Win.FormattedLinkLabel.PositionElementsCache.ReMeasureParts(String text, Int32[] parts, Single[] widths, Int32 partStartIndex, Int32 partEndIndex, Font font, Single& lineHeight) at Infragistics.Win.FormattedLinkLabel.PositionElementsCache.MeasureParts(String text, Int32[] parts, Font font, Single& lineHeight) at Infragistics.Win.FormattedLinkLabel.NodeText.TextLayoutInfo.Measure(PositionElementsInfo& info) at Infragistics.Win.FormattedLinkLabel.NodeText.PositionSelf(PositionElementsInfo& info) at Infragistics.Win.FormattedLinkLabel.NodeBase.PositionHelper(PositionElementsInfo& info) at Infragistics.Win.FormattedLinkLabel.NodeBase.Position(PositionElementsInfo& info) at Infragistics.Win.FormattedLinkLabel.NodeBase.PositionChildNodes(PositionElementsInfo& info) at Infragistics.Win.FormattedLinkLabel.NodeBlock.PositionChildNodes(PositionElementsInfo& info) at Infragistics.Win.FormattedLinkLabel.NodeBase.PositionHelper(PositionElementsInfo& info) at Infragistics.Win.FormattedLinkLabel.NodeBase.Position(PositionElementsInfo& info) at Infragistics.Win.FormattedLinkLabel.NodeBase.CalcSize(IFormattedLinkLabelOwner owner, Graphics graphics, Int32 maxWidth) at Infragistics.Win.FormattedLinkLabel.ParsedFormattedTextValue.CalcSize(Graphics graphics, Font baseFont, AppearanceData& defaultAppearance, Int32 widthConstraint, DefaultableBoolean wrapText, GdiDrawStringFlags gdiDrawStringFlags) at Infragistics.Win.UltraWinToolbars.Ribbon.RibbonMetrics.CalculateCaptionAreaHeight() at Infragistics.Win.UltraWinToolbars.Ribbon.RibbonMetrics.get_CaptionAreaHeight() at Infragistics.Win.UltraWinToolbars.UltraToolbarsDockArea.CalculateGlassRect() at Infragistics.Win.UltraWinToolbars.UltraToolbarsManager.ExtendGlassIntoRibbon(IntPtr handle) at Infragistics.Win.UltraWinToolbars.UltraToolbarsManager.RefreshGlass() at Infragistics.Win.UltraWinToolbars.Ribbon.RibbonMetrics.Dirty(RibbonMetricsFlags flags) at Infragistics.Win.UltraWinToolbars.Ribbon.OnRibbonContainerResized() at Infragistics.Win.UltraWinToolbars.UltraToolbarsDockArea.RefreshDockAreaSize(Size& currentSize) at Infragistics.Win.UltraWinToolbars.UltraToolbarsDockArea.SetBoundsCore(Int32 x, Int32 y, Int32 width, Int32 height, BoundsSpecified specified) at System.Windows.Forms.Control.System.Windows.Forms.Layout.IArrangedElement.SetBounds(Rectangle bounds, BoundsSpecified specified) at System.Windows.Forms.Layout.DefaultLayout.xLayoutDockedControl(IArrangedElement element, Rectangle newElementBounds, Boolean measureOnly, Size& preferredSize, Rectangle& remainingBounds) at System.Windows.Forms.Layout.DefaultLayout.LayoutDockedControls(IArrangedElement container, Boolean measureOnly) at System.Windows.Forms.Layout.DefaultLayout.xLayout(IArrangedElement container, Boolean measureOnly, Size& preferredSize) at System.Windows.Forms.Layout.DefaultLayout.LayoutCore(IArrangedElement container, LayoutEventArgs args) at System.Windows.Forms.Layout.LayoutEngine.Layout(Object container, LayoutEventArgs layoutEventArgs) at System.Windows.Forms.Control.OnLayout(LayoutEventArgs levent) at System.Windows.Forms.ScrollableControl.OnLayout(LayoutEventArgs levent) at System.Windows.Forms.Form.OnLayout(LayoutEventArgs levent) at System.Windows.Forms.Control.PerformLayout(LayoutEventArgs args) at System.Windows.Forms.Control.System.Windows.Forms.Layout.IArrangedElement.PerformLayout(IArrangedElement affectedElement, String affectedProperty) at System.Windows.Forms.Layout.LayoutTransaction.DoLayout(IArrangedElement elementToLayout, IArrangedElement elementCausingLayout, String property) at System.Windows.Forms.Control.OnResize(EventArgs e) at System.Windows.Forms.Form.OnResize(EventArgs e) at System.Windows.Forms.Control.OnSizeChanged(EventArgs e) at System.Windows.Forms.Control.UpdateBounds(Int32 x, Int32 y, Int32 width, Int32 height, Int32 clientWidth, Int32 clientHeight) at System.Windows.Forms.Control.UpdateBounds() at System.Windows.Forms.Control.WndProc(Message& m) at System.Windows.Forms.ScrollableControl.WndProc(Message& m) at System.Windows.Forms.ContainerControl.WndProc(Message& m) at System.Windows.Forms.Form.WndProc(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m) at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)