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The first thing to understand is the Mshtml property method:
{IHTMLWindow2 property:}frames//returns the frame array in the window location//Return window of the Location object history//Return window to History Object Navigator//returns the Navigator object of the window document//Returns the Document object of the window screen//returns to the Screens object self Returns the window//with the Self property Top//Returns the topmost window parent//returns to the Parents window opener/ /returns the window that created this window closed//window has been closed event//status of current events, useful external//execute external commands, such as favorites etc Clientinforma tion//Current browser information offscreenbuffering//whether to use double buffering, that is, before the object is displayed, do you want to draw the option//option-based interface in memory first? Image//Can create an image interface? item//Used to get the child frame? Length//Returns the number of frames in the window? Name//settings or returns the name of the window Defaultstatus//Sets or returns the default text status in the window status bar//settings or returns the text in the status bar of the window {IHTMLWindow2 method:}settimeout//In the specified Time (milliseconds) after calling a function or evaluating an expression setinterval//calling a function or evaluating an expression by a specified period of time (milliseconds) cleartimeout//Cancellation by SetTimeout settings Clearinterval//Cancel Set by SetInterval alert//Show Warning Box CoNfirm//Display a dialog box that can be confirmed or Canceled prompt//dialog box for user input ShowModalDialog//create and display a modal dialog box for an HTML document SHOWHELP// Show Help file navigate//Set new URL, similar to Twebbrowser.navigateopen//Open a new browser window or find a named window close Close the browser window focus//Get focus blur//Remove focus moveto//Move window to specified position Moveby//Move window to relative position res Izeto//Set window width and height resizeby//Set window relative width and height scrollto//Scroll to specified position Scrollby//scroll to relative position scroll Same as Scrolltoexecscript//execute script {IHTMLWindow2 event: Trigger when}onload//trigger OnUnload//exit after Mount completes onbeforeunload//Trigger on exit, it will occur before onunload, if you want to use this onhelp//display Help when trigger onfocus//Get Focus trigger onblur Trigger when onerror//error is triggered when the focus is lost when onresize//change size is triggered when onscroll//scroll is triggered {IHTMLWindow3 method:}attac Hevent//Bind event DetachEvent//Cancel Event binding settimeout//Call function or evaluate expression after specified time (milliseconds)///By the specified time period (milliseconds) Print with a function or calculation expression Print showModelessDialog//Create a non-modal dialog box that displays HTML content {IHTMLWindow3 property:}screenleft//screentop//clipboarddata//Clipboard data {IH TMLWINDOW3 event:}onbeforeprint//Before printing Onafterprint//After printing {IHTMLWindow4 method:}createpopup//Create popup Menu {IHTMLWindow4 property:} FrameElement//Gets the frame object where the window is locatedView Code
It will be a lot easier to figure out the relevant information above.
1, hope that only some of the content can be edited: note the use of "contenteditable=true":
<BODY><Pcontenteditable=true>Usegear (can only be edited here) </p><P> </P><P> </P><P>68767896897</P><P> </P><P>Yutyuty</P><P> </P></BODY>
2. Want to insert HTML text or other in the editable area at the cursor
(Webbrowser1.document as IHTMLDocument2). Selection.createrange as IHTMLTxtRange). pastehtml (' Hello usegear! ');3. Processing of image files in HTML files
Because the result of the edit is an HTML file that needs to be like a file with a Word document, and not possibly a separate image file, the image file is converted to Base64 text in HTML
Uses encddecd;//d the unit, do not look for the =======================var mystringstream:tstringstream everywhere ; Mystream:tstream;===================stringstream: = Tstringstream.create ("); MyStream: = TFileStream.Create (' f:\ QQ picture 20170923175727.png ', fmopenread); Encddecd.encodestream (Mystream,mystringstream); Mmo1. Text: = ' ';(( Webbrowser1.document as IHTMLDocument2). Selection.createrange as IHTMLTxtRange). pastehtml (Mmo1. Text);
4, other editing functions, online a lot.
Web viewing mode (webbrowser1.document as IHTMLDocument2). DesignMode: = ' on '; (Webbrowser1.document as IHTMLDocument2). ExecCommand (' EditMode ', false,1);///page edit mode (webbrowser1.document as IHTMLDocument2). DesignMode: = ' off '; (Webbrowser1.document as IHTMLDocument2). ExecCommand (' Browsemode ', false,1); Select the Chinese text editor///Set Font//////name (webbrowser1.document as IHTMLDocument2). ExecCommand (' FontName ', False, ' Arial ');//////size (Webbrowser1.document as IHTMLDocument2). ExecCommand (' FontSize ', False, 7);//////The font size is from 1 to 7////style//////bold (webbrows Er1. Document as IHTMLDocument2). ExecCommand (' Bold ', False, 1),//////Italic (webbrowser1.document as IHTMLDocument2). execcom Mand (' Italic ', false, 1);/////underline (webbrowser1.document as IHTMLDocument2). ExecCommand (' underline ', false, 1);/////Delete Except line (webbrowser1.document as IHTMLDocument2). ExecCommand (' Strikethrough ', False, 1); Hyperlinks (webbrowser1.document as IHTMLDocument2). ExecCommand (' Createlink ', False, 1);///delete hyperlink(Webbrowser1.document as IHTMLDocument2). ExecCommand (' UnLink ', False, 1); Set///Set text foreground color (webbrowser1.document as IHTMLDocument2). ExecCommand (' ForeColor ', False, ' Red ');///Set Text background color ( Webbrowser1.document as IHTMLDocument2). ExecCommand (' BackColor ', False, ' Blue '); Set subscript (webbrowser1.document as Ihtmldocument2). ExecCommand (' subscript ', false,1);///Set superscript (webbrowser1.documen T as Ihtmldocument2). ExecCommand (' superscript ', false,1); Set alignment///Set left-aligned (webbrowser1.document as IHTMLDocument2). ExecCommand (' Justifyleft ', False, 0);///Set Alignment (WebB Rowser1. Document as IHTMLDocument2). ExecCommand (' Justifycenter ', False, 0);///Set right justification (webbrowser1.document as IHTMLDocument2) . ExecCommand (' Justifyright ', False, 0);///Set Justify (Webbrowser1.document as IHTMLDocument2). ExecCommand (' Justifyfull ' , False, 0); Indent//Indent right (webbrowser1.document as Ihtmldocument2). ExecCommand (' Indent ', true,1);///Left indent (webbrowser1.docu ment as Ihtmldocument2). ExecCommand (' outdent ', true,1); Clear Format (webbrowser1.document as Ihtmldocument2). ExecCommand (' Removeformat ', true,0); Sequence view///digital format (webbrowser1.document as Ihtmldocument2). ExecCommand (' insertorderedlist ', true,0);///Dot View (Webbrow Ser1. Document as Ihtmldocument2). ExecCommand (' insertunorderedlist ', true,0); Insert Picture (Static) (Webbrowser1.document as IHTMLDocument2). ExecCommand (' Insertimage ', True, '); (Webbrowser1.document as IHTMLDocument2). ExecCommand (' Insertimage ', False, ' C:\1.png '); Insert the HTML component///The following string for the control's ID number///Straight line (webbrowser1.document as IHTMLDocument2). ExecCommand (' Inserthoriz Ontalrule ', True, ');////button (Webbrowser1.document as IHTMLDocument2). ExecCommand (' Insertbutton ', Tru E, ');////check box checkbox (Webbrowser1.document as IHTMLDocument2). ExecCommand (' Insertinputcheckbox ', True, ');// /Radio Box Radio (webbrowser1.document as IHTMLDocument2). ExecCommand (' Insertinputradio ', True, ');///edit box Edit(Webbrowser1.document as IHTMLDocument2). ExecCommand (' Insertinputtext ', True, ');////text box Memo (WebBrowser1. Document as IHTMLDocument2). ExecCommand (' Inserttextarea ', True, ');///Password box Pswedit (webbrowser1.document as IH TMLDocument2). ExecCommand (' Insertinputpassword ', True, ');///Group Framework GroupBox (Webbrowser1.document as Ihtmldocume NT2). ExecCommand (' Insertiframe ', True, ');/////List box ListBox (Webbrowser1.document as IHTMLDocument2). ExecCommand (' Insertselectlistbox ', True, ');/////Combo box combobox (Webbrowser1.document as IHTMLDocument2). ExecCommand (' Inserts Electdropdown ', True, ');
2CCC has a tall man n years ago written browser editor, you can refer to Register_htmledit
Using Twebbrowser to do controllable editor and mshtml
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