(Xojo Plugin) PDF List Unsigned Signature Fields

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Demonstrates how to list the unsigned signature fields in a PDF.

Note: This example requires Chilkat v9.5.0.90 or greater.

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// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

Dim pdf As New Chilkat.Pdf

// Load a PDF containing 2 remaining unsigned signature fields:
Dim success As Boolean
success = pdf.LoadFile("qa_data/pdf/doctor_patient_parent.pdf")
If (success = False) Then
    System.DebugLog(pdf.LastErrorText)
    Return
End If

// Note: This example requires Chilkat v9.5.0.90 or greater.
Dim json As New Chilkat.JsonObject
success = pdf.GetUnsignedSigFields(json)

json.EmitCompact = False
System.DebugLog(json.Emit())

// Result:
// {
//   "unsignedSigField": [
//     "doctor_signature",
//     "parent_signature"
//   ]
// }

// To iterate over the field names:
Dim strVal As String

Dim i As Int32
i = 0
Dim count_i As Int32
count_i = json.SizeOfArray("unsignedSigField")
While i < count_i
    json.I = i
    strVal = json.StringOf("unsignedSigField[i]")
    System.DebugLog(strVal)
    i = i + 1
Wend