Dim caption As String = "Example: DeleteFormFieldItem"
Dim gdpicturePDF As GdPicturePDF = New GdPicturePDF()
If gdpicturePDF.LoadFromFile("forms.pdf", False) = GdPictureStatus.OK Then
Dim count As Integer = gdpicturePDF.GetFormFieldsCount()
If gdpicturePDF.GetStat() = GdPictureStatus.OK Then
Dim formID As Integer = 0
Dim type As PdfFormFieldType = PdfFormFieldType.PdfFormFieldTypeUnknown
For i As Integer = 0 To count - 1
formID = gdpicturePDF.GetFormFieldId(i)
If gdpicturePDF.GetStat() = GdPictureStatus.OK Then
type = gdpicturePDF.GetFormFieldType(formID)
If gdpicturePDF.GetStat() = GdPictureStatus.OK Then
If type = PdfFormFieldType.PdfFormFieldTypeCombo Then
Dim itemsCount As Integer = gdpicturePDF.GetFormFieldItemCount(formID)
If gdpicturePDF.GetStat() = GdPictureStatus.OK Then
If itemsCount > 0 Then
If gdpicturePDF.DeleteFormFieldItem(formID, 0) = GdPictureStatus.OK Then
Dim message As String = "The item has been successfully deleted." + vbCrLf
If gdpicturePDF.AddFormFieldItem(formID, "Zucchini") = GdPictureStatus.OK Then
message = message + "The new item has been successfully added." + vbCrLf
If gdpicturePDF.SaveToFile("forms_updated.pdf") = GdPictureStatus.OK Then
message = message + "The file has been saved."
Else
message = message + "The file can't be saved. Status: " + gdpicturePDF.GetStat().ToString()
End If
Else
message = "The AddFormFieldItem() method has failed with the status: " + gdpicturePDF.GetStat().ToString()
End If
MessageBox.Show(message, caption)
Exit For
Else
MessageBox.Show("The DeleteFormFieldItem() method has failed with the status: " + gdpicturePDF.GetStat().ToString(), caption)
Exit For
End If
Else
MessageBox.Show("The first combo box includes no items.", caption)
Exit For
End If
Else
MessageBox.Show("The GetFormFieldItemCount() method has failed with the status: " + gdpicturePDF.GetStat().ToString(), caption)
Exit For
End If
End If
Else
MessageBox.Show("The GetFormFieldType() method has failed with the status: " + gdpicturePDF.GetStat().ToString(), caption)
Exit For
End If
Else
MessageBox.Show("The GetFormFieldId() method has failed with the status: " + gdpicturePDF.GetStat().ToString(), caption)
Exit For
End If
Next
If count = 0 Then MessageBox.Show("This document includes no form fields.", caption)
Else
MessageBox.Show("The GetFormFieldsCount() method has failed with the status: " + gdpicturePDF.GetStat().ToString(), caption)
End If
Else
MessageBox.Show("The file can't be loaded. Status: " + gdpicturePDF.GetStat().ToString(), caption)
End If
gdpicturePDF.Dispose()
string caption = "Example: DeleteFormFieldItem";
GdPicturePDF gdpicturePDF = new GdPicturePDF();
if (gdpicturePDF.LoadFromFile("forms.pdf", false) == GdPictureStatus.OK)
{
int count = gdpicturePDF.GetFormFieldsCount();
if (gdpicturePDF.GetStat() == GdPictureStatus.OK)
{
int formID = 0;
PdfFormFieldType type = PdfFormFieldType.PdfFormFieldTypeUnknown;
for (int i = 0; i < count; i++)
{
formID = gdpicturePDF.GetFormFieldId(i);
if (gdpicturePDF.GetStat() == GdPictureStatus.OK)
{
type = gdpicturePDF.GetFormFieldType(formID);
if (gdpicturePDF.GetStat() == GdPictureStatus.OK)
{
if (type == PdfFormFieldType.PdfFormFieldTypeCombo)
{
int itemsCount = gdpicturePDF.GetFormFieldItemCount(formID);
if (gdpicturePDF.GetStat() == GdPictureStatus.OK)
{
if (itemsCount > 0)
{
if (gdpicturePDF.DeleteFormFieldItem(formID, 0) == GdPictureStatus.OK)
{
string message = "The item has been successfully deleted.\n";
if (gdpicturePDF.AddFormFieldItem(formID, "Zucchini") == GdPictureStatus.OK)
{
message = message + "The new item has been successfully added.\n";
if (gdpicturePDF.SaveToFile("forms_updated.pdf") == GdPictureStatus.OK)
message = message + "The file has been saved.";
else
message = message + "The file can't be saved. Status: " + gdpicturePDF.GetStat().ToString();
}
else
{
message = "The AddFormFieldItem() method has failed with the status: " + gdpicturePDF.GetStat().ToString();
}
MessageBox.Show(message, caption);
break;
}
else
{
MessageBox.Show("The DeleteFormFieldItem() method has failed with the status: " + gdpicturePDF.GetStat().ToString(), caption);
break;
}
}
else
{
MessageBox.Show("The first combo box includes no items.", caption);
break;
}
}
else
{
MessageBox.Show("The GetFormFieldItemCount() method has failed with the status: " + gdpicturePDF.GetStat().ToString(), caption);
break;
}
}
}
else
{
MessageBox.Show("The GetFormFieldType() method has failed with the status: " + gdpicturePDF.GetStat().ToString(), caption);
break;
}
}
else
{
MessageBox.Show("The GetFormFieldId() method has failed with the status: " + gdpicturePDF.GetStat().ToString(), caption);
break;
}
}
if (count == 0)
MessageBox.Show("This document includes no form fields.", caption);
}
else
MessageBox.Show("The GetFormFieldsCount() method has failed with the status: " + gdpicturePDF.GetStat().ToString(), caption);
}
else
MessageBox.Show("The file can't be loaded. Status: " + gdpicturePDF.GetStat().ToString(), caption);
gdpicturePDF.Dispose();
