To remove content programmatically use the following functions:
Please see example here.
System.Object
 Vintasoft.Imaging.UI.VisualTools.VisualTool
   Vintasoft.Imaging.UI.VisualTools.UserInteraction.UserInteractionVisualTool
     Vintasoft.Imaging.UI.VisualTools.MultiRectangularSelectionTool<Vintasoft.Imaging.Pdf.UI.RedactionMark>
       Vintasoft.Imaging.Pdf.UI.PdfRemoveContentTool
Target Platforms: .NET 10; .NET 9; .NET 8; .NET 7; .NET 6; .NET Framework 4.8, 4.7, 4.6, 4.5, 4.0, 3.5
PdfRemoveContentTool Members
Vintasoft.Imaging.Pdf.UI Namespace
RedactionMark
MarkType
PageRedactionMark
TextRedactionMark