PDF Creator Pilot documentation |
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   Collapse AllGets or sets a JavaScript action to be performed when the field value is changed. It allows the new value to be checked for validity.
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| LONG PDFANNOTATION_OnChange { get; set; } |
Value
Action index.
Remarks
Action index can be retrieved from any action creating function like CreateJavaScriptAction.
Analogue in new interface: IPDFDocument4::OnControlChange.
Example
OnChange example
Delphi
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{ PDF object is supposed to be created }
PDF.BeginDoc;
a1 := PDF.CreateJavascriptAction('this.getField("edit1").value = "cahnged!";');
a2 := PDF.CreateJavascriptAction('this.getField("edit2").value = "cahnged!";');
PDF.PDFPAGE_CreateControl_Edit('edit1', 10, 10, 60, 24);
PDF.PDFANNOTATION_Text := 'Edit1';
PDF.PDFANNOTATION_OnChange := a2;
PDF.PDFPAGE_CreateControl_Edit('edit2', 10, 30, 60, 44);
PDF.PDFANNOTATION_Text := 'Edit2';
PDF.PDFANNOTATION_OnChange := a1;
PDF.EndDoc;
C/C++
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// PDF object is supposed to be created
PDF->BeginDoc();
LONG a1 = PDF->CreateJavascriptAction("this.getField('edit1').value = 'cahnged!';");
LONG a2 = PDF->CreateJavascriptAction("this.getField('edit2').value = 'cahnged!';");
PDF->PDFPAGE_CreateControl_Edit("edit1", 10, 10, 60, 24);
PDF->PDFANNOTATION_Text = "Edit1";
PDF->PDFANNOTATION_OnChange = a2;
PDF->PDFPAGE_CreateControl_Edit("edit2", 10, 30, 60, 44);
PDF->PDFANNOTATION_Text = "Edit2";
PDF->PDFANNOTATION_OnChange = a1;
PDF->EndDoc();
C#
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// PDF object is supposed to be created
PDF.BeginDoc();
long a1 = PDF.CreateJavascriptAction("this.getField('edit1').value = 'cahnged!';");
long a2 = PDF.CreateJavascriptAction("this.getField('edit2').value = 'cahnged!';");
PDF.PDFPAGE_CreateControl_Edit("edit1", 10, 10, 60, 24);
PDF.PDFANNOTATION_Text = "Edit1";
PDF.PDFANNOTATION_OnChange = a2;
PDF.PDFPAGE_CreateControl_Edit("edit2", 10, 30, 60, 44);
PDF.PDFANNOTATION_Text = "Edit2";
PDF.PDFANNOTATION_OnChange = a1;
PDF.EndDoc();
Visual Basic
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' PDF object is supposed to be created
PDF.BeginDoc
a1 = PDF.CreateJavascriptAction("this.getField('edit1').value = 'cahnged!';")
a2 = PDF.CreateJavascriptAction("this.getField('edit2').value = 'cahnged!';")
PDF.PDFPAGE_CreateControl_Edit "edit1", 10, 10, 60, 24
PDF.PDFANNOTATION_Text = "Edit1"
PDF.PDFANNOTATION_OnChange = a2
PDF.PDFPAGE_CreateControl_Edit "edit2", 10, 30, 60, 44
PDF.PDFANNOTATION_Text = "Edit2"
PDF.PDFANNOTATION_OnChange = a1
PDF.EndDoc
See Also