RemoveFormFields Method (GdPicturePDF)
Removes all form fields included in the currently loaded PDF document.
Return Value
A member of the GdPictureStatus enumeration. If the method has been successfully followed, then the return value is GdPictureStatus.OK.
We strongly recommend always checking this status first.
How to remove all form fields included in the current document.
Dim caption As String = "Example: RemoveFormFields"
Dim gdpicturePDF As GdPicturePDF = New GdPicturePDF()
If gdpicturePDF.LoadFromFile("forms.pdf", False) = GdPictureStatus.OK Then
If gdpicturePDF.RemoveFormFields() = GdPictureStatus.OK Then
Dim count As Integer = gdpicturePDF.GetFormFieldsCount()
If gdpicturePDF.GetStat() = GdPictureStatus.OK Then
If gdpicturePDF.SaveToFile("forms_removed.pdf") = GdPictureStatus.OK Then
MessageBox.Show("Number of form fields: " + count.ToString() + vbCrLf + "The example has been followed successfully and the file has been saved.", caption)
Else
MessageBox.Show("The file can't be saved. Status: " + gdpicturePDF.GetStat().ToString(), caption)
End If
Else
MessageBox.Show("The GetFormFieldsCount() method has failed with the status: " + gdpicturePDF.GetStat().ToString(), caption)
End If
Else
MessageBox.Show("The RemoveFormFields() 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: RemoveFormFields";
GdPicturePDF gdpicturePDF = new GdPicturePDF();
if (gdpicturePDF.LoadFromFile("forms.pdf", false) == GdPictureStatus.OK)
{
if (gdpicturePDF.RemoveFormFields() == GdPictureStatus.OK)
{
int count = gdpicturePDF.GetFormFieldsCount();
if (gdpicturePDF.GetStat() == GdPictureStatus.OK)
{
if (gdpicturePDF.SaveToFile("forms_removed.pdf") == GdPictureStatus.OK)
MessageBox.Show("Number of form fields: " + count.ToString() + "\nThe example has been followed successfully and the file has been saved.", caption);
else
MessageBox.Show("The file can't be saved. Status: " + gdpicturePDF.GetStat().ToString(), caption);
}
else
MessageBox.Show("The GetFormFieldsCount() method has failed with the status: " + gdpicturePDF.GetStat().ToString(), caption);
}
else
MessageBox.Show("The RemoveFormFields() 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();