Hi Norman,
Thank you for your update.
We have modified the previously provided sample to change the content control text as per your request. The modified sample can be downloaded from the below link.
https://www.syncfusion.com/downloads/support/forum/157348/ze/FindContentControl_Modified-1828227620In this sample we have done the followings,
1. Load the input document
2. Find the content control from the document using Tag name.
3. After finding the content control, change the content control text with desired new text.
In Change Text method, we have done the followings.
1. If the content control is InlineContentControl, then remove the child element form thr content control and then add new text range on it with desired text.
2. If the content control is BlockContentControl means, then remove the child elements from text body part and then add new paragraph with one text range with desired text.
Please let us know if you have any other questions.
Regards,
Manikandan Ravichandran