FieldHandle Class Reference

Base class for all fields. More...

Inheritance diagram for FieldHandle:

error_type CALLING_CONVENTION	Field_CreateFromDictionary (DictionaryObjectHandle *dictionary, FieldHandle **result)
	Create a field from a dictionary object. The field type is determined by the /FT entry in the dictionary.
error_type CALLING_CONVENTION	Field_GetType (FieldHandle *handle, FieldType *result)
	Return type of field. Result can be used to convert to derived type.
VANILLAPDF_DEPRECATED error_type CALLING_CONVENTION	Field_ToButton (FieldHandle *handle, ButtonFieldHandle **result)
	Reinterpret current object as ButtonFieldHandle.
VANILLAPDF_DEPRECATED error_type CALLING_CONVENTION	Field_ToText (FieldHandle *handle, TextFieldHandle **result)
	Reinterpret current object as TextFieldHandle.
VANILLAPDF_DEPRECATED error_type CALLING_CONVENTION	Field_ToChoice (FieldHandle *handle, ChoiceFieldHandle **result)
	Reinterpret current object as ChoiceFieldHandle.
VANILLAPDF_DEPRECATED error_type CALLING_CONVENTION	Field_ToSignature (FieldHandle *handle, SignatureFieldHandle **result)
	Reinterpret current object as SignatureFieldHandle.
error_type CALLING_CONVENTION	Field_Release (FieldHandle *handle)
	Decrement the internal reference counter.

Additional Inherited Members
Public Member Functions inherited from IUnknownHandle
error_type CALLING_CONVENTION	IUnknown_AddRef (IUnknownHandle *handle)
	Increment the internal reference counter.
Related Symbols inherited from IUnknownHandle
error_type CALLING_CONVENTION	IUnknown_Release (IUnknownHandle *handle)
	Decrement the internal reference counter.

Detailed Description

Base class for all fields.

Examples

verify.c.

Friends And Related Symbol Documentation

Field_ToButton()

VANILLAPDF_DEPRECATED error_type CALLING_CONVENTION Field_ToButton ( FieldHandle *  handle, ButtonFieldHandle **  result  )

related

Reinterpret current object as ButtonFieldHandle.

Deprecated:

Use ButtonField_FromField instead

Field_ToText()

VANILLAPDF_DEPRECATED error_type CALLING_CONVENTION Field_ToText ( FieldHandle *  handle, TextFieldHandle **  result  )

related

Reinterpret current object as TextFieldHandle.

Deprecated:

Use TextField_FromField instead

Field_ToChoice()

VANILLAPDF_DEPRECATED error_type CALLING_CONVENTION Field_ToChoice ( FieldHandle *  handle, ChoiceFieldHandle **  result  )

related

Reinterpret current object as ChoiceFieldHandle.

Deprecated:

Use ChoiceField_FromField instead

Field_ToSignature()

VANILLAPDF_DEPRECATED error_type CALLING_CONVENTION Field_ToSignature ( FieldHandle *  handle, SignatureFieldHandle **  result  )

related

Reinterpret current object as SignatureFieldHandle.

Deprecated:

Use SignatureField_FromField instead

Field_Release()

error_type CALLING_CONVENTION Field_Release ( FieldHandle *  handle )

related

Decrement the internal reference counter.

When the internal counter reaches zero the object is deleted. Releasing already disposed object causes undefined behavior.

See also

IUnknown_Release

---

The documentation for this class was generated from the following file:

• c_fields.h