Add, Insert, Delete or Remove Text/Image Watermark in Word (DOC/DOCX) using C++

AddImageWatermark.cpp

// Load input word document
auto doc = System::MakeObject<Document>(inputDataDir + u"Document.doc");

// Initialize and set properties for image watermark
auto options = System::MakeObject<ImageWatermarkOptions>();
options->set_Scale(5);
options->set_IsWashout(false);

// Load image by specifying path
doc->get_Watermark()->SetImage(System::Drawing::Image::FromFile(inputDataDir + u"Watermark.png"), options);

// Save output word document
auto outputPath = outputDataDir + u"AddImageWatermark.docx";
doc->Save(outputPath);

AddTextWatermark.cpp

// Load input word document
auto doc = System::MakeObject<Document>(inputDataDir + u"Document.doc");

// Set different properties for text watermark
auto options = System::MakeObject<TextWatermarkOptions>();
options->set_FontFamily(u"Arial");
options->set_FontSize(36);
options->set_Color(System::Drawing::Color::get_Black());
options->set_Layout(WatermarkLayout::Horizontal);
options->set_IsSemitrasparent(false);

// Set text for the watermark
doc->get_Watermark()->SetText(u"Test", options);

auto outputPath = outputDataDir + u"AddTextWatermark.docx";

doc->Save(outputPath);

RemoveWatermark.cpp

// Load input word document
auto doc = System::MakeObject<Document>(inputDataDir + u"TextWatermark.docx");

// Iterate through text watermark
if (doc->get_Watermark()->get_Type() == WatermarkType::Text)
{
        // Remove the watermark
	doc->get_Watermark()->Remove();
}

// Save output word document
auto outputPath = outputDataDir + u"RemoveWatermark.docx";
doc->Save(outputPath);