Properties · Methods · Events · Demos · Examples

Declaration

TIERichEdit = class(TCustomRichEdit);

Description

TIERichEdit is a descendent of TRichEdit with support for RichEdit 8.0 functionality, including:
◼Enhanced text and paragraph formatting
◼Get and set rich text by property (RTFText property)
◼Automatic hover toolbar when editing text (AutoToolbar property)
◼Automatic customizable popup menu (if you do not assign your own)
◼Keyboard shortcuts
◼Import and export to PDF and Microsoft Word, if available (ImportFromWord/ExportToWord methods)
◼Support for embedded images and objects
◼Insertion and editing of tables
◼Paint formatted text to a TBitmap or TIEBitmap (PaintTo method)
◼Enhanced Find and Replace
◼Multi-level undo
◼Spell checking
◼Automatic URL detection (AutoURLDetect property)
◼Bidirectional support



Note: Do not use IERichEdit1.Lines.Add(...); use AddLine or AddFormattedText

Keyboard Shortcuts

The default keyboard shortcuts are as follows:

Demos

Examples

// Set plain text in Editor
IERichEdit1.Text := 'Some Text';

// Set rich text in Editor
IERichEdit1.RTFText := #123'\rtf1\ansi\ansicpg1252\deff0'#123'\fonttbl'#123'\f0\fnil\fcharset0 Tahoma;'#125#125'\viewkind4\uc1\pard\lang1033\b\f0\fs24 ImageEn!\b0\par'#125;

// Show a hover toolbar when editing text
IEGlobalSettings().RichEditorToolbar.Position := iepAbove;
IERichEdit1.AutoToolbar  := True;



// Hide buttons for Bullets and Numbering
IEGlobalSettings().RichEditorToolbar.Buttons := IEGlobalSettings().RichEditorToolbar.Buttons - [irbRichEditBullets];

// Center the current paragraph
IERichEdit1.Paragraph.Alignment := paCenter;

// Bold the selected text
IERichEdit1.SelAttributes.Bold := True;

// Import a Word document
IERichEdit1.ImportFromWord( 'D:\MyDoc.docx' );

// Export to PDF
IERichEdit1.ExportToWord( 'D:\MyDoc.pdf' );

// Insert a web link
IERichEdit1.InsertLink( 'http://www.ImageEn.com', 'ImageEn Web Site' );

// Paint rich editor content to TImageEnView
const
  Text_Margin = 30;
var
  bmp : TIEBitmap;
  imgW, imgH, textW, textH: Integer;
  textRect: TRect;
begin
  imgW  := ImageEnView1.Width;
  imgH  := ImageEnView1.Height;
  textW := imgW - 2 * Text_Margin;

  // Calc height of text at this width
  textH := IERichEdit1.TextHeight( 0, textW );

  textRect := Rect( Text_Margin,
                    Text_Margin,
                    Text_Margin + textW,
                    Text_Margin + textH );

  bmp := TIEBitmap.Create;
  try
    bmp.width  := imgW;
    bmp.height := imgH;

    // Load an image to use as background?
    if not ( chkUseEditorBackground.checked or chkEnableAlpha.checked ) then
      bmp.LoadFromFile('D:\TextBackground.jpg');

    IERichEdit1.PaintTo( bmp, textRect, iehLeft, ievTop, chkUseEditorBackground.checked, chkEnableAlpha.checked );

    ImageEnView1.Assign(bmp);
  finally
    bmp.Free;
  end;

// Paint rich editor content to TImage
const
  Text_Margin = 30;
var
  bmp: TBitmap;
  imgW, imgH, textW, textH: Integer;
  textRect: TRect;
begin
  imgW  := Image1.Width;
  imgH  := Image1.Height;
  textW := imgW - 2 * Text_Margin;

  // Calc height of text at this width
  textH := IERichEdit1.TextHeight( 0, textW );

  textRect := Rect( Text_Margin,
                    Text_Margin,
                    Text_Margin + textW,
                    Text_Margin + textH );

  bmp := TBitmap.Create;
  try
    bmp.width  := imgW;
    bmp.height := imgH;

    // Load an image to use as background?
    if not chkUseEditorBackground.checked then
      bmp.LoadFromFile('D:\TextBackground.bmp');

    IERichEdit1.PaintTo( bmp, textRect, iehLeft, ievTop, chkUseEditorBackground.checked );

    Image1.Picture.Assign(bmp);
  finally
    bmp.Free;
  end;
end;

// Output an RTF file as an image
const
  Out_Width   = 500;
  Out_Height  = 800;
  Text_Margin = 20;
var
  re : TIERichEdit;
  bmp: TIEBitmap;
  textRect: TRect;
begin
  bmp := TIEBitmap.Create;
  re := TIERichEdit.CreateParented(HWND(HWND_MESSAGE));
  try
    re.Visible  := False;
    re.WordWrap := False;
    re.OpenFromFile( 'D:\RTF Document.rtf' );

    bmp.width  := Out_Width;
    bmp.height := Out_Height;

    textRect := Rect( Text_Margin,
                      Text_Margin,
                      Out_Width - Text_Margin,
                      Out_Height - Text_Margin );

    re.PaintTo( bmp, textRect, iehCenter, ievCenter, True );

    bmp.SaveToFile('D:\RtfImage.jpeg' );
  finally
    bmp.Free;
    re.Free;
  end;
end;

Methods and Properties

General

Input/Output

Formatting

Find and Replace

Undo/Redo

Text Methods

Table Methods

OLE Objects

Events

---