Adds a comment to the current block content control.
| Name | Type | Description |
| sText | string | The comment text (required). |
| sAuthor | string | The author's name (optional). |
builder.CreateFile("docx");
var oDocument = Api.GetDocument();
var oBlockLvlSdt = Api.CreateBlockLvlSdt();
oBlockLvlSdt.GetContent().GetElement(0).AddText("This is a block text content control.");
oDocument.AddElement(0, oBlockLvlSdt);
oBlockLvlSdt.AddComment("comment", "John Smith");
builder.SaveFile("docx", "AddComment.docx");
builder.CloseFile();