Application Interface functions The following API calls are available directly through the HTML Add-on DLL: HtsAddSelectionItem Insert an item in the selection box. HtsClearWindow Clear the current viewer window. HtsClose Close the current window. HtsCommand Execute a menu command. HtsDelSelectionItem Delete the selected items from the current selection box. HtsEditFormId Edit the form id HtsEditRule Edit the current horizontal rule. HtsGetFont Retrieve the font information for an HTML style element. HtsGetLinkInfo Retrieve the color and style information for the link text. HtsGetParaAttrib Get the attributes of the current paragraph. HtsLoadControl Load the HTML Add-on control. HtsInitialize Initialize a TE editor window to work as an HTML control. HtsInsertButtonField Insert a button field in the current form. HtsInsertLink Insert a link or link name. HtsInsertPicture Insert a picture file. HtsInsertRule Insert a horizontal rule. HtsInsertSelectField Insert a selection box. HtsInsertTextField Insert a text field in the current form. HtsNewFile Clear the current file from the window. HtsOpenFile Open a new file. HtsParaNormal Reset the paragraph attributes HtsPositionName Position at a given tag name within the current document. HtsRead Read an HTML document or a buffer containing HTML data into the specified TE window. HtsReformat Reformat the text in the window. HtsRtfToHtml Convert the text from the RTF format to the HTML format. HtsSave Save the contents of the window HtsSetFont Set new font attributes for an HTML style element. HtsSetFormId Set a form id for a form. HtsSetFontDlg Allow the user to edit the font attributes for a desired HTML style element. HtsSetForm Set the form property of a paragraph. HtsSetHeader Set the header attribute and the header level. HtsSetLinkInfo Set new text color and style for the link text. HtsSetLinkInfoDlg Allow the user to edit the color and style for the link text. HtsSetList Set the list type and list level. HtsMenuEnable Get the 'enable' status of a menu item. HtsMenuSelect Get the 'check' status of a menu item. HtsSetMiscCharType Set miscellaneous character types. HtsSetMiscParaType Set blockquote, address, and preformatted paragraph types. HtsGetFormInfo Retrieve information about a form. HtsGetFieldData Retrieve data for a field in a form. HtwWrite Write the HTML text to a file or a buffer. In addition to above the APIs, all TE Edit Control APIs are also available for text manipulation and printing.