public PDFSigner(string input, string output, Cert cert, MetaData md)
{
this.inputPDF = input;
this.outputPDF = output;
this.myCert = cert;
this.metadata = md;
}
private void ValidateInputFile()
{
FileWarningPicture.Hide();
if (!string.IsNullOrEmpty(InputFileText.Text))
{
try
{
reader = new PdfReader(InputFileText.Text);
}
catch
{
reader = null;
ValidateUIState();
FileWarningPicture.Show();
return;
}
}
else
{
reader = null;
ValidateUIState();
return;
}
metaData = new MetaData();
metaData.Info = reader.Info;
PageNum.Maximum = reader.NumberOfPages;
PageNum.Minimum = PageNum.Value = 1;
PageNum_ValueChanged(null, null);
existingSignatures = reader.AcroFields.GetSignatureNames().Count > 0;
ValidateUIState();
}