C# with Microsoft word

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Hello,
project is done in C# and relates to modifying existing Word document.
How I can get text between two existing bookmarks, then iterate text line by line and change font size for each line. The goal is to have in the end;
text in first line to be for example font size 14, bolded;
text in second line, no bold, text size 12;
third and other lines, no bold, text size 10;

Best regards,

What I have tried:

I tried accessing text between two bookmarks and every explanation online mention using Bookmarks.get_Item, but get_Item method does not exist in Visual Studio 2019 in C#.

Posted 13-Jan-23 18:39pm

MihaljKeri

Updated 17-Jan-23 15:38pm

PIEBALDconsult

v2

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Graeme_Grant 14-Jan-23 0:59am

post your code

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Graeme_Grant · Answer 1 · 2023-01-13T19:03:00

Solution 1

I have not worked with C# and Word, so I would need to use Google Search: c# word bookmark[^].

There are a number of promising solutions found, including this one: Using C# to programmatically find, and populate bookmarks in a Word 2010 Add-In [solved] - StackOverflow[^]

Posted 13-Jan-23 19:03pm

Graeme_Grant

Maciej Los · Answer 2 · 2023-01-16T10:42:00

Well...
a bookmark is added into specific range in a document. So, you can get the range of bookmark1, then get the range of bookmark2 and finally you can select range between them.

Imagine, i've got below document content:

Bookmark1

Some specific text between 2 bookmarks.

Text between 2 bookmarks ends here.

Bookmark2

See VBA code:

VBA

Option Explicit

Sub Test()
    Dim oDoc As Document
    Dim oRng1 As Range, oRng2 As Range, oBtwRng As Range
    
    Set oDoc = ThisDocument
    Set oRng1 = oDoc.Bookmarks("Bookmark1").Range
    Set oRng2 = oDoc.Bookmarks("Bookmark2").Range

    Set oBtwRng = oDoc.Range(oRng1.End, oRng2.Start)
    oBtwRng.Select
    
    Debug.Print oRng1.Text, oRng2.Text, Selection.Text
    
    Set oRng1 = Nothing
    Set oRng2 = Nothing
    Set oDoc = Nothing
    
End Sub

Above code produces:

Some specific text between 2 bookmarks.





Text between 2 bookmarks ends here.

MihaljKeri · Answer 3 · 2023-01-17T15:38:00

Hello,
thanks for help, but it does not work for me, unless I did not convert it correctly from VBA to C#:
Here is my converted piece of code:

Word.Range oRng1 = wordDocument.Bookmarks["start_from_here"].Range;
Word.Range oRng2 = wordDocument.Bookmarks["end_here"].Range;

Word.Range btwRange = wordDocument.Range(oRng1.End, oRng2.Start);

MessageBox.Show("Range between is " + btwRange.Text);

It flags as an error first line

Word.Range oRng1 = wordDocument.Bookmarks["start_from_here"].Range;

and it says "requested member of collection does not exist. And bookmark does exist as I can see it in document.
Anyway, thanks for trying.
First offered solution is using get_Item methos, but I simply do not have it in Visual Studio 2019.
Regards,

C# with Microsoft word

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