C# WinForm WebBrowser (三) 编辑模式

一、启用编辑模式、 浏览模式 及 自动换行

   

     
 
    ///
     
    <summary>
    
 
    ///
     编辑模式
 
    ///
     
    </summary>
    

     
    public
     
    void
     EditMode()
 {
 
    if
     (
    this
    .webBrowser.Document 
    !=
     
    null
    )
 {
 mshtml.IHTMLDocument2 doc 
    =
     
    this
    .webBrowser.Document.DomDocument 
    as
     mshtml.IHTMLDocument2;
 
    if
     (doc 
    !=
     
    null
    )
 {
 doc.designMode 
    =
     
    "
    on
    "
    ;
 }
 }
 }

 
    ///
     
    <summary>
    
 
    ///
     启用浏览模式
 
    ///
     
    </summary>
    

     
    public
     
    void
     BrowseMode()
 {
 
    if
     (
    this
    .webBrowser.Document 
    !=
     
    null
    )
 {
 mshtml.IHTMLDocument2 doc 
    =
     
    this
    .webBrowser.Document.DomDocument 
    as
     mshtml.IHTMLDocument2;
 
    if
     (doc 
    !=
     
    null
    )
 {
 doc.designMode 
    =
     
    "
    off
    "
    ;
 }
 }
 }

 
    ///
     
    <summary>
    
 
    ///
     设置自动换行
 
    ///
     
    </summary>
    
 
    ///
     
    <param name="value"></param>
    

     
    public
     
    void
     SetAutoWrap(
    bool
     value)
 {
 mshtml.HTMLDocument doc 
    =
     
    this
    .webBrowser.Document.DomDocument 
    as
     mshtml.HTMLDocument;
 
    if
     (doc 
    !=
     
    null
    )
 {
 mshtml.HTMLBody body 
    =
     doc.body 
    as
     mshtml.HTMLBody;
 
    if
     (body 
    !=
     
    null
    )
 {
 body.noWrap 
    =
     
    !
    value;
 }
 }
 }
   

在编辑模式下，可以使用：

   

     
    this
    .webBrowser.Document.ExecCommand([string],[bool]
    ,[object]);

   

方法来操作WebBrowser中的HTML。
其中第一个字符串类型的参数为： 要执行的命令的名称 。
第二个布尔类型的参数为：  是否向用户显示命令特定的对话框或消息框。

第三个Object类型的参数为： 要使用该命令分配的值。并非适用于所有命令。

常见的命令有：

   

     private
     
    const
     
    string
     HTML_COMMAND_BOLD 
    =
     
    "
    Bold
    "
    ; 
    //
    加粗
    

     
    private
     
    const
     
    string
     HTML_COMMAND_UNDERLINE 
    =
     
    "
    Underline
    "
    ; 
    //
    下划线
    

     
    private
     
    const
     
    string
     HTML_COMMAND_ITALIC 
    =
     
    "
    Italic
    "
    ; 
    //
    斜体
    

     
    private
     
    const
     
    string
     HTML_COMMAND_SUBSCRIPT 
    =
     
    "
    Subscript
    "
    ; 
    //
    下标
    

     
    private
     
    const
     
    string
     HTML_COMMAND_SUPERSCRIPT 
    =
     
    "
    Superscript
    "
    ; 
    //
    上标
    

     
    private
     
    const
     
    string
     HTML_COMMAND_STRIKE_THROUGH 
    =
     
    "
    StrikeThrough
    "
    ; 
    //
    删除线
    

     
    private
     
    const
     
    string
     HTML_COMMAND_FONT_NAME 
    =
     
    "
    FontName
    "
    ; 
    //
    字体
    

     
    private
     
    const
     
    string
     HTML_COMMAND_FONT_SIZE 
    =
     
    "
    FontSize
    "
    ; 
    //
    字号
    

     
    private
     
    const
     
    string
     HTML_COMMAND_FORE_COLOR 
    =
     
    "
    ForeColor
    "
    ; 
    //
    字体前景色
    

     
    private
     
    const
     
    string
     HTML_COMMAND_BACK_COLOR 
    =
     
    "
    BackColor
    "
    ; 
    //
    字体背景色
    

     
    private
     
    const
     
    string
     HTML_COMMAND_INSERT_FORMAT_BLOCK 
    =
     
    "
    FormatBlock
    "
    ; 
    //
    加粗
    

     
    private
     
    const
     
    string
     HTML_COMMAND_REMOVE_FORMAT 
    =
     
    "
    RemoveFormat
    "
    ; 
    //
    清楚样式
    

     
    private
     
    const
     
    string
     HTML_COMMAND_JUSTIFY_LEFT 
    =
     
    "
    JustifyLeft
    "
    ; 
    //
    文本左对齐
    

     
    private
     
    const
     
    string
     HTML_COMMAND_JUSTIFY_CENTER 
    =
     
    "
    JustifyCenter
    "
    ; 
    //
    文本中间对齐
    

     
    private
     
    const
     
    string
     HTML_COMMAND_JUSTIFY_RIGHT 
    =
     
    "
    JustifyRight
    "
    ; 
    //
    文本右对齐
    

     
    private
     
    const
     
    string
     HTML_COMMAND_JUSTIFY_FULL 
    =
     
    "
    JustifyFull
    "
    ; 
    //
    文本两端对齐
    

     
    private
     
    const
     
    string
     HTML_COMMAND_INDENT 
    =
     
    "
    Indent
    "
    ; 
    //
    增大缩进量
    

     
    private
     
    const
     
    string
     HTML_COMMAND_OUTDENT 
    =
     
    "
    Outdent
    "
    ; 
    //
    减小缩进量
    

     
    private
     
    const
     
    string
     HTML_COMMAND_INSERT_LINE 
    =
     
    "
    InsertHorizontalRule
    "
    ;
    //
    插入分割符
    

     
    private
     
    const
     
    string
     HTML_COMMAND_INSERT_LIST 
    =
     
    "
    Insert{0}List
    "
    ; 
    //
     replace with (Un)Ordered 插入项目符号或项目编号
    

     
    private
     
    const
     
    string
     HTML_COMMAND_INSERT_IMAGE 
    =
     
    "
    InsertImage
    "
    ; 
    //
    插入图像
    

     
    private
     
    const
     
    string
     HTML_COMMAND_INSERT_LINK 
    =
     
    "
    CreateLink
    "
    ; 
    //
    插入链接
    

     
    private
     
    const
     
    string
     HTML_COMMAND_REMOVE_LINK 
    =
     
    "
    Unlink
    "
    ; 
    //
    移除链接
    

     
    private
     
    const
     
    string
     HTML_COMMAND_TEXT_CUT 
    =
     
    "
    Cut
    "
    ; 
    //
    剪切
    

     
    private
     
    const
     
    string
     HTML_COMMAND_TEXT_COPY 
    =
     
    "
    Copy
    "
    ; 
    //
    复制
    

     
    private
     
    const
     
    string
     HTML_COMMAND_TEXT_PASTE 
    =
     
    "
    Paste
    "
    ; 
    //
    粘贴
    

     
    private
     
    const
     
    string
     HTML_COMMAND_TEXT_DELETE 
    =
     
    "
    Delete
    "
    ; 
    //
    删除
    

     
    private
     
    const
     
    string
     HTML_COMMAND_TEXT_UNDO 
    =
     
    "
    Undo
    "
    ; 
    //
    撤销
    

     
    private
     
    const
     
    string
     HTML_COMMAND_TEXT_REDO 
    =
     
    "
    Redo
    "
    ; 
    //
    恢复
    

     
    private
     
    const
     
    string
     HTML_COMMAND_TEXT_SELECT_ALL 
    =
     
    "
    SelectAll
    "
    ; 
    //
    全选
    

     
    private
     
    const
     
    string
     HTML_COMMAND_TEXT_UNSELECT 
    =
     
    "
    Unselect
    "
    ; 
    //
    取消选择
    

     
    private
     
    const
     
    string
     HTML_COMMAND_TEXT_PRINT 
    =
     
    "
    Print
    "
    ; 
    //
     打印
    

     
    private
     
    const
     
    string
     HTML_COMMAND_EDITMODE 
    =
     
    "
    EditMode
    "
    ; 
    //
     编辑模式
    

     
    private
     
    const
     
    string
     HTML_COMMAND_BROWSEMODE 
    =
     
    "
    BrowseMode
    "
    ; 
    //
     浏览模式
    

     
    private
     
    const
     
    string
     HTML_COMMAND_OVERWRITE 
    =
     
    "
    OverWrite
    "
    ; 
    //
    转换插入、覆写模式
    

   
   

    

   
   

    // 更多的命令请参见：