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Creates checkbox form field based on provided parameters.
Creates push button form field base on provided parameters.
Creates radio group form field instance based on provided parameters.
Set image to be used as a background content in a push button.
Set image to be used as a background content in a push button as
PdfFormXObject
.
If true, the field is a pushbutton that does not retain a permanent value.
PdfButtonFormField.setRadio(boolean radio)
If true, the field is a set of radio buttons; if false, the field is a check box.
If true, a group of radio buttons within a radio button field that use the same value for the on state will turn on and off in unison; that is if one is checked, they are all checked.
If true, clicking the selected button deselects it, leaving no button selected.