THotPDF Form Field Action Convenience Methods

THPDFActionBuilderResumen del método: THotPDF Form Field Action Convenience Methods

Declarations

procedure ClearFormFieldAdditionalAction(const FieldName: AnsiString; Trigger: THPDFFormFieldActionTrigger);
procedure SetFormFieldKeyStrokeAction(const FieldName: AnsiString; Action: THPDFActionBuilder);
procedure ClearFormFieldKeyStrokeAction(const FieldName: AnsiString);
procedure SetFormFieldFormatAction(const FieldName: AnsiString; Action: THPDFActionBuilder);
procedure ClearFormFieldFormatAction(const FieldName: AnsiString);
procedure SetFormFieldValidateAction(const FieldName: AnsiString; Action: THPDFActionBuilder);
procedure ClearFormFieldValidateAction(const FieldName: AnsiString);
procedure SetFormFieldCalculateAction(const FieldName: AnsiString; Action: THPDFActionBuilder);
procedure ClearFormFieldCalculateAction(const FieldName: AnsiString);
procedure SetFormFieldAnnotationAction(const FieldName: AnsiString; Trigger: THPDFAnnotationActionTrigger; Action: THPDFActionBuilder);
procedure ClearFormFieldAnnotationAction(const FieldName: AnsiString; Trigger: THPDFAnnotationActionTrigger);
procedure SetFormFieldMouseEnterAction(const FieldName: AnsiString; Action: THPDFActionBuilder);
procedure ClearFormFieldMouseEnterAction(const FieldName: AnsiString);
procedure SetFormFieldMouseExitAction(const FieldName: AnsiString; Action: THPDFActionBuilder);
procedure ClearFormFieldMouseExitAction(const FieldName: AnsiString);
procedure SetFormFieldMouseDownAction(const FieldName: AnsiString; Action: THPDFActionBuilder);
procedure ClearFormFieldMouseDownAction(const FieldName: AnsiString);
procedure SetFormFieldMouseUpAction(const FieldName: AnsiString; Action: THPDFActionBuilder);
procedure ClearFormFieldMouseUpAction(const FieldName: AnsiString);
procedure SetFormFieldSetFocusAction(const FieldName: AnsiString; Action: THPDFActionBuilder);
procedure ClearFormFieldSetFocusAction(const FieldName: AnsiString);
procedure SetFormFieldLostFocusAction(const FieldName: AnsiString; Action: THPDFActionBuilder);
procedure ClearFormFieldLostFocusAction(const FieldName: AnsiString);

Unidad

HPDFDoc

Trigger map

Method family	PDF trigger	Purpose
`SetFormFieldKeyStrokeAction` / `ClearFormFieldKeyStrokeAction`	`/AA /K`	Keystroke processing before a text value changes
`SetFormFieldFormatAction` / `ClearFormFieldFormatAction`	`/AA /F`	Formatting after a field value changes
`SetFormFieldValidateAction` / `ClearFormFieldValidateAction`	`/AA /V`	Validation before a value is committed
`SetFormFieldCalculateAction` / `ClearFormFieldCalculateAction`	`/AA /C`	Calculation after dependent field changes
`SetFormFieldSetFocusAction` / `ClearFormFieldSetFocusAction`	`/AA /E`	Widget pointer enters the annotation area
`SetFormFieldMouseExitAction` / `ClearFormFieldMouseExitAction`	`/AA /X`	Widget pointer exits the annotation area
`SetFormFieldMouseDownAction` / `ClearFormFieldMouseDownAction`	`/AA /D`	Mouse button is pressed inside the widget
`SetFormFieldMouseUpAction` / `ClearFormFieldMouseUpAction`	`/AA /U`	Mouse button is released inside the widget
`SetFormFieldSetFocusAction` / `ClearFormFieldSetFocusAction`	`/AA /Fo`	Widget receives input focus
`SetFormFieldLostFocusAction` / `ClearFormFieldLostFocusAction`	`/AA /Bl`	Widget loses input focus

Notas de uso

EndDocCall the set helpers after creating the target field and before EndDoc
/AAEach set helper replaces only the matching trigger entry and keeps the rest of the field or widget /AA dictionary intact
/AAEach clear helper removes only the matching trigger entry and deletes the empty /AA dictionary when no entries remain
SetFormFieldAdditionalAction and ClearFormFieldAdditionalAction when code already works with THPDFFormFieldActionTriggerUse SetFormFieldAdditionalAction and ClearFormFieldAdditionalAction when code already works with THPDFFormFieldActionTrigger
SetFormFieldAnnotationAction and ClearFormFieldAnnotationAction when code already works with THPDFAnnotationActionTriggerUse SetFormFieldAnnotationAction and ClearFormFieldAnnotationAction when code already works with THPDFAnnotationActionTrigger
Builder validation still enforces PDF/A and PDF/X action restrictions before action dictionaries are written

Related API

THotPDFSetFormFieldAdditionalActionMethod
THPDFPageSetAnnotationAdditionalActionMethod
THPDFPageClearAnnotationAdditionalActionMethod
THPDFActionBuilderClass
AcroFormSupport