GroupDocs.Redaction for .NET: Helping .NET apps secure documents by hiding sensitive information.
// Redact sensitive image areas in PPTX
// Open file using Redactor
using (Redactor redactor = new Redactor("input.pptx"))
{
// Define overlay color and dimensions
Size replacement_size = new Size(100, 100);
var replacement_options = new RegionReplacementOptions(Color.Blue, replacement_size);
// Select area to redact
Point replacement_point = new Point(200, 200);
var redaction = new ImageAreaRedaction(replacement_point, replacement_options);
// Apply overlay and save the document
redactor.Apply(redaction);
redactor.Save();
}
GroupDocs.Redaction for .NET allows you to hide or delete sensitive content in various file types. Protect information while keeping documents clean and shareable.
Locate and redact private text to enhance document security.
Cover entire images or selected regions with overlays to hide private visuals.
Erase or modify hidden metadata to prevent data leaks.
// Load the document
using (Redactor redactor = new Redactor("source.pptx"))
{
// Set overlay size, position, and color
Size replacement_size = new Size(300, 30);
var replacement_options = new RegionReplacementOptions(Color.Blue, replacement_size);
Point replacement_point = new Point(20, 125);
var redaction = new ImageAreaRedaction(replacement_point, replacement_options);
// Specify the area to redact on the first page
redaction.Filters = new RedactionFilter[] {
new PageRangeFilter(PageSeekOrigin.Begin, 0, 1),
new PageAreaFilter(new Point(0, 300), new Size(600, 600))
};
// Apply the overlay
redactor.Apply(redaction);
// Save the redacted file
var save_options = new SaveOptions() { AddSuffix = true, RasterizeToPDF = false };
var outputPath = redactor.Save(save_options);
}
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Use .NET to hide or delete sensitive content in PPTX files. A reliable solution for document security.
