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SiddheshK09
SiddheshK09
Known Participant
Dec 12, 2025 5:31 PM UTC
Answered

How to Modify/update paragraph style?

Hi All,

I have to implement the functionality to modify/update paragraph style without text range selection.  Is there any other way to do this? 

 

Thanks in advance. 

Dirk BeckerCorrect answer
Legend
Dec 15, 2025 10:28 AM UTC

Open the style editor for the particular style.

Does it have a "leading:" entry in the General >> Style Settings?

 

869770i859F0DEB6463D01E.png

 

Otherwise the attribute is inherited from the based-on style.

For modifying, use ITextStylesFacade::EditTextStyle

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9 replies

SiddheshK09
SiddheshK09Author
Known Participant
Dec 15, 2025 7:00 AM UTC
Thanks for the all responses.
Below is my sample code snippet, In the below code first I'm trying get the pragraph style properties like font size/leading and then I have to modity/update it based on some conditions in my project. But below code does not work for me. Interface "ITextAttrRealNumber" always retrns nil here. Have anyone tried this?
 
InterfacePtr<IDocument> doc(m_pDocument, UseDefaultIID());
if (doc == nil) {
break;
}
InterfacePtr<IWorkspace> iWorkspace(doc->GetDocWorkSpace(), IID_IWORKSPACE);
if (iWorkspace == nil) {
break;
}
InterfacePtr<ITextAttributes> textAttr(::GetDataBase(iWorkspace), paraStyleUID, UseDefaultIID());
if (textAttr == nil) {
break;
}
//get leading
InterfacePtr<ITextAttrRealNumber>LeadingAttr((ITextAttrRealNumber*)(textAttr->QueryByClassID(kTextAttrLeadBoss, IID_ITEXTATTRREALNUMBER)));
if (LeadingAttr != nil) {
PMReal rleading = LeadingAttr->GetRealNumber();
}
else
CAlert::InformationAlert("LeadingAttr == nil");
 
//get point size
InterfacePtr<ITextAttrRealNumber>PointSizeAttr((ITextAttrRealNumber*)(textAttr->QueryByClassID(kTextAttrPointSizeBoss, IID_ITEXTATTRREALNUMBER)));
if (PointSizeAttr != nil) {
PMReal rpointsize = PointSizeAttr->GetRealNumber();
}
else
CAlert::InformationAlert("PointSizeAttr == nil");
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m1b
Community Expert
m1bCommunity Expert
Community Expert
Dec 15, 2025 7:03 AM UTC

Ah, you are using the SDK. @Dirk Becker this might be in your wheelhouse?

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rob day
Community Expert
rob dayCommunity Expert
Community Expert
Dec 13, 2025 1:26 PM UTC

to modify/update paragraph style without text range selection

 

Hi @SiddheshK09 , Is there a reason why you can’t simply edit the style definition via Paragraph Styles>Style Definition with no text selected?

 

869489i21E4F578A91F989F.png

 

869490iB6EF96AB4B9A39CF.png

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SiddheshK09
SiddheshK09Author
Known Participant
Dec 15, 2025 6:25 AM UTC

Thanks for the reply. I am trying to do this programmatically using InDesign SDK/scripting.

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m1b
Community Expert
m1bCommunity Expert
Community Expert
Dec 13, 2025 12:31 PM UTC

@SiddheshK09 you have tagged scripting. Do you want to modify a paragraph style? You can do it like this:

var doc = app.activeDocument;
var paragraphStyle = doc.paragraphStyles.itemByName('Test Style');

if (!paragraphStyle.isValid)
    return alert('Paragraph style "Test Style" not found.');

// example setting some properties
paragraphStyle.properties = {
    pointSize: 11,
    fillTint: 50,
};

 If that isn't what you mean, please clarify.

- Mark

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    SiddheshK09
    SiddheshK09Author
    Known Participant
    Dec 15, 2025 6:59 AM UTC

    Thanks for the reply. I will try this at my end.

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    Willi Adelberger
    Community Expert
    Willi AdelbergerCommunity Expert
    Community Expert
    Dec 12, 2025 5:52 PM UTC

     Select some text without any character style applied. There can be a character style used in the paragraph. 
    Make all changes. 
    in the paragraph panel menu select redifine style. 

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