Supported Form Field Types

ComPDF supports various form field types compliant with the PDF standard, which are readable and writable by various programs, including Adobe Acrobat and other PDF processors that adhere to the standard. The supported form field types are as follows:

Type	Description	Class Name
Check Box	Select one or more options from predefined choices.	CPDFButtonWidgetAnnotation
Radio Button	Select one option from predefined choices.	CPDFButtonWidgetAnnotation
Push Button	Create custom buttons on the PDF document that acts when pressed.	CPDFButtonWidgetAnnotation
List Box	Select one or more options from a predefined list.	CPDFChoiceWidgetAnnotation
Combo Box	Select one option from a drop-down list of available text options.	CPDFChoiceWidgetAnnotation
Text	Input text content such as name, address, email, etc.	CPDFTextWidgetAnnotation
Signature	Digitally sign or electronically sign the PDF document	CPDFSignatureWidgetAnnotation