ConstReadonlyMANUAL: "manual"Manually select the signature method. Configure this method. When you click the signature form field, a pop-up window will pop up to select the signature method.
ReadonlyDIGITAL: "digital"Enter the digital signature process
ReadonlyELECTRONIC: "electronic"Enter the electronic signature process
Used to configure the default signing method when signing in the form field of CPDFReaderView, including: digital signature, electronic signature, and manual selection