TextParagraphProperties.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Core / CSharp / System / Windows / Media / textformatting / TextParagraphProperties.cs / 1305600 / TextParagraphProperties.cs
                        
                        
                            //------------------------------------------------------------------------ 
//
//  Microsoft Windows Client Platform
//  Copyright (C) Microsoft Corporation
// 
//  File:      TextParagraphProperties.cs
// 
//  Contents:  Text paragraph properties 
//
//  Spec:      http://team/sites/Avalon/Specs/Text%20Formatting%20API.doc 
//
//  Created:   1-7-2005 Worachai Chaoweeraprasit (wchao)
//
//----------------------------------------------------------------------- 

 
using System; 
using System.Collections.Generic;
using System.Windows; 
using MS.Internal.PresentationCore;


namespace System.Windows.Media.TextFormatting 
{
    ///  
    /// Properties that can change from one paragraph to the next, such as 
    /// text flow direction, text alignment, or indentation.
    ///  
    public abstract class TextParagraphProperties
    {
        /// 
        /// This property specifies whether the primary text advance 
        /// direction shall be left-to-right, right-to-left, or top-to-bottom.
        ///  
        public abstract FlowDirection FlowDirection 
        { get; }
 

        /// 
        /// This property describes how inline content of a block is aligned.
        ///  
        public abstract TextAlignment TextAlignment
        { get; } 
 

        ///  
        /// Paragraph's line height
        /// 
        public abstract double LineHeight
        { get; } 

 
        ///  
        /// Indicates the first line of the paragraph.
        ///  
        public abstract bool FirstLineInParagraph
        { get; }

 
        /// 
        /// If true, the formatted line may always be collapsed. If false (the default), 
        /// only lines that overflow the paragraph width are collapsed. 
        /// 
        public virtual bool AlwaysCollapsible 
        {
            get { return false; }
        }
 

        ///  
        /// Paragraph's default run properties 
        /// 
        public abstract TextRunProperties DefaultTextRunProperties 
        { get; }


        ///  
        /// If not null, text decorations to apply to all runs in the line. This is in addition
        /// to any text decorations specified by the TextRunProperties for individual text runs. 
        ///  
        public virtual TextDecorationCollection TextDecorations
        { 
            get { return null; }
        }

 
        /// 
        /// This property controls whether or not text wraps when it reaches the flow edge 
        /// of its containing block box 
        /// 
        public abstract TextWrapping TextWrapping 
        { get; }


        ///  
        /// This property specifies marker characteristics of the first line in paragraph
        ///  
        public abstract TextMarkerProperties TextMarkerProperties 
        { get; }
 

        /// 
        /// Line indentation
        ///  
        public abstract double Indent
        { get; } 
 

        ///  
        /// Paragraph indentation
        /// 
        public virtual double ParagraphIndent
        { 
            get { return 0; }
        } 
 

        ///  
        /// Default Incremental Tab
        /// 
        public virtual double DefaultIncrementalTab
        { 
            get { return 4 * DefaultTextRunProperties.FontRenderingEmSize; }
        } 
 

        ///  
        /// Collection of tab definitions
        /// 
        public virtual IList Tabs
        { 
            get { return null; }
        } 
 

        ///  
        /// Lexical component providing hyphenation opportunity.
        /// 
#if HYPHENATION_API
        public virtual TextLexicalService Hyphenator 
        {
            get { return null; } 
        } 
#else
        private TextLexicalService  _hyphenator; 
        internal virtual TextLexicalService Hyphenator
        {
            [FriendAccessAllowed]   // used by Framework
            get { return _hyphenator; } 

            [FriendAccessAllowed]   // used by Framework 
            set { _hyphenator = value; } 
        }
#endif 
    }
}


// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------------------ 
//
//  Microsoft Windows Client Platform
//  Copyright (C) Microsoft Corporation
// 
//  File:      TextParagraphProperties.cs
// 
//  Contents:  Text paragraph properties 
//
//  Spec:      http://team/sites/Avalon/Specs/Text%20Formatting%20API.doc 
//
//  Created:   1-7-2005 Worachai Chaoweeraprasit (wchao)
//
//----------------------------------------------------------------------- 

 
using System; 
using System.Collections.Generic;
using System.Windows; 
using MS.Internal.PresentationCore;


namespace System.Windows.Media.TextFormatting 
{
    ///  
    /// Properties that can change from one paragraph to the next, such as 
    /// text flow direction, text alignment, or indentation.
    ///  
    public abstract class TextParagraphProperties
    {
        /// 
        /// This property specifies whether the primary text advance 
        /// direction shall be left-to-right, right-to-left, or top-to-bottom.
        ///  
        public abstract FlowDirection FlowDirection 
        { get; }
 

        /// 
        /// This property describes how inline content of a block is aligned.
        ///  
        public abstract TextAlignment TextAlignment
        { get; } 
 

        ///  
        /// Paragraph's line height
        /// 
        public abstract double LineHeight
        { get; } 

 
        ///  
        /// Indicates the first line of the paragraph.
        ///  
        public abstract bool FirstLineInParagraph
        { get; }

 
        /// 
        /// If true, the formatted line may always be collapsed. If false (the default), 
        /// only lines that overflow the paragraph width are collapsed. 
        /// 
        public virtual bool AlwaysCollapsible 
        {
            get { return false; }
        }
 

        ///  
        /// Paragraph's default run properties 
        /// 
        public abstract TextRunProperties DefaultTextRunProperties 
        { get; }


        ///  
        /// If not null, text decorations to apply to all runs in the line. This is in addition
        /// to any text decorations specified by the TextRunProperties for individual text runs. 
        ///  
        public virtual TextDecorationCollection TextDecorations
        { 
            get { return null; }
        }

 
        /// 
        /// This property controls whether or not text wraps when it reaches the flow edge 
        /// of its containing block box 
        /// 
        public abstract TextWrapping TextWrapping 
        { get; }


        ///  
        /// This property specifies marker characteristics of the first line in paragraph
        ///  
        public abstract TextMarkerProperties TextMarkerProperties 
        { get; }
 

        /// 
        /// Line indentation
        ///  
        public abstract double Indent
        { get; } 
 

        ///  
        /// Paragraph indentation
        /// 
        public virtual double ParagraphIndent
        { 
            get { return 0; }
        } 
 

        ///  
        /// Default Incremental Tab
        /// 
        public virtual double DefaultIncrementalTab
        { 
            get { return 4 * DefaultTextRunProperties.FontRenderingEmSize; }
        } 
 

        ///  
        /// Collection of tab definitions
        /// 
        public virtual IList Tabs
        { 
            get { return null; }
        } 
 

        ///  
        /// Lexical component providing hyphenation opportunity.
        /// 
#if HYPHENATION_API
        public virtual TextLexicalService Hyphenator 
        {
            get { return null; } 
        } 
#else
        private TextLexicalService  _hyphenator; 
        internal virtual TextLexicalService Hyphenator
        {
            [FriendAccessAllowed]   // used by Framework
            get { return _hyphenator; } 

            [FriendAccessAllowed]   // used by Framework 
            set { _hyphenator = value; } 
        }
#endif 
    }
}


// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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