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/*********************************************************************

 MSWord_useStyles.rex: using OLE (object linking and embedding) with ooRexx

 Links:  <https://docs.microsoft.com/en-us/office/vba/api/overview/word>
         <https://docs.microsoft.com/en-us/office/vba/word/concepts/miscellaneous/concepts-word-vba-reference>
         <https://docs.microsoft.com/en-us/office/vba/api/overview/word/object-model>

 Using OLE create a Microsoft Word document, add text using various
 styles and wait for the user to press the enter (return) key before
 changing the font attributes of the styles named "Title" and "Heading 1".

*********************************************************************/

-- Start Word with empty document
Word = .OLEObject~New("Word.Application")
Word~Visible = .TRUE                      -- make Word visible
Document = Word~Documents~Add             -- add document
Selection = Word~Selection                -- selection object
say "# 1: Create: title style..."
Selection~Style = "Title"                 -- Create selection with style: Title
Selection~TypeText("TITLE")               -- give selection a text
Selection~TypeParagraph                   -- add paragraph (go to next line)
say "# 2: Create: heading 1 style..."
Selection~Style = "Heading 1"             -- Create selection with style: Heading 1
Selection~TypeText("HEADING 1")           -- give selection a text
Selection~TypeParagraph                   -- add paragraph (go to next line)
say "# 3: Create: heading 2 style..."
Selection~Style = "Heading 2"             -- Create selection with style: Heading 2
Selection~TypeText("HEADING 2")           -- give selection a text
Selection~TypeParagraph                   -- add paragraph (go to next line)
   -- Note: Usually the style "Normal" follows heading styles
Selection~TypeText("Reset to normal ...") -- "Normal" follows "Heading 2"
Selection~TypeParagraph                   -- add paragraph (go to next line)
say "# 4: Create: normal text style..."
Selection~Style = "Normal"                -- Create selection with style: normal
Selection~TypeText("I am Normal Text.")   -- give selection a text

say "Press any key to change style!"
parse pull                              -- wait for key press

-- Go through each sentence
SentenceCount = Document~Sentences~Count        -- get sentence count
Font = Selection~Font                           -- get font object
do SentenceNumber = 1 to SentenceCount          -- go through each sentence

   Document~Sentences(SentenceNumber)~Select   -- select sentence
   StyleName = Selection~Style~NameLocal       -- get style name of sentence
   Select case StyleName                       -- make changes depending on style name
      when "Title" then do
          Font~Name="Arial"
          Font~Size="38"
          Font~Bold = .TRUE
      end
      when "Heading 1" then do
          Font~Name="Times New Roman"
          Font~Size="22"
          Font~Italic = .TRUE
      end
      otherwise NOP
   end
end