Code:
/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Framework / System / Windows / Documents / Floater.cs / 1 / Floater.cs
//---------------------------------------------------------------------------- // // Copyright (C) Microsoft Corporation. All rights reserved. // // Description: Floater element. // //--------------------------------------------------------------------------- using System.ComponentModel; using MS.Internal; using MS.Internal.PtsHost.UnsafeNativeMethods; // PTS restrictions namespace System.Windows.Documents { ////// Floater element /// public class Floater : AnchoredBlock { //------------------------------------------------------------------- // // Constructors // //------------------------------------------------------------------- #region Constructors ////// Static ctor. Initializes property metadata. /// static Floater() { DefaultStyleKeyProperty.OverrideMetadata(typeof(Floater), new FrameworkPropertyMetadata(typeof(Floater))); } ////// Initialized the new instance of a Floater /// public Floater() : this(null, null) { } ////// Initialized the new instance of a Floater specifying a Block added /// to a Floater as its first child. /// /// /// Block added as a first initial child of the Floater. /// public Floater(Block childBlock) : this(childBlock, null) { } ////// Creates a new Floater instance. /// /// /// Optional child of the new Floater, may be null. /// /// /// Optional position at which to insert the new Floater. May /// be null. /// public Floater(Block childBlock, TextPointer insertionPosition) : base(childBlock, insertionPosition) { } #endregion Constructors //-------------------------------------------------------------------- // // Public Properties // //------------------------------------------------------------------- #region Public Properties ////// DependencyProperty for public static readonly DependencyProperty HorizontalAlignmentProperty = FrameworkElement.HorizontalAlignmentProperty.AddOwner( typeof(Floater), new FrameworkPropertyMetadata( HorizontalAlignment.Stretch, FrameworkPropertyMetadataOptions.AffectsMeasure)); ///property. /// /// /// public HorizontalAlignment HorizontalAlignment { get { return (HorizontalAlignment)GetValue(HorizontalAlignmentProperty); } set { SetValue(HorizontalAlignmentProperty, value); } } ////// DependencyProperty for public static readonly DependencyProperty WidthProperty = DependencyProperty.Register( "Width", typeof(double), typeof(Floater), new FrameworkPropertyMetadata( Double.NaN, FrameworkPropertyMetadataOptions.AffectsMeasure), new ValidateValueCallback(IsValidWidth)); ///property. /// /// The Width property specifies the width of the element. /// [TypeConverter(typeof(LengthConverter))] public double Width { get { return (double)GetValue(WidthProperty); } set { SetValue(WidthProperty, value); } } #endregion Public Properties //-------------------------------------------------------------------- // // Private Methods // //-------------------------------------------------------------------- #region Private Methods private static bool IsValidWidth(object o) { double width = (double)o; double maxWidth = Math.Min(1000000, PTS.MaxPageSize); if (Double.IsNaN(width)) { // Default value of width is NaN return true; } if (width < 0 || width > maxWidth) { return false; } return true; } #endregion Private Methods } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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