Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / NetFx40 / Tools / System.Activities.Core.Presentation / System / Activities / Core / Presentation / HintTextMaxWidthConverter.cs / 1305376 / HintTextMaxWidthConverter.cs
//---------------------------------------------------------------- // Copyright (c) Microsoft Corporation. All rights reserved. //--------------------------------------------------------------- namespace System.Activities.Core.Presentation { using System; using System.Diagnostics.CodeAnalysis; using System.Globalization; using System.Windows; using System.Windows.Data; [SuppressMessage("Microsoft.Performance", "CA1812:AvoidUninstantiatedInternalClasses")] internal sealed class HintTextMaxWidthConverter : IValueConverter { public object Convert(object o, Type targetType, object parameter, CultureInfo culture) { // If o == null, this means the Activity inside Default/Cases is null. // We need to show SR.ClickToAdd instruction as a whole string without trim. // So we need to set the MaxWidth to double.PositiveInfinity. Otherwise, we // set it according to the parameter and TextBlock will do proper trimming. double maxWidth = double.Parse(parameter as string, CultureInfo.InvariantCulture.NumberFormat); return o != null ? maxWidth : DependencyProperty.UnsetValue; } public object ConvertBack(object o, Type targetType, object parameter, CultureInfo culture) { throw FxTrace.Exception.AsError(new NotImplementedException()); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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