public void OnButtonClicked(object sender, EventArgs e)
{
Stream docStream = typeof(MailAttachment).GetTypeInfo().Assembly.GetManifestResourceStream("SampleBrowser.PDF.Samples.Assets.FormFillingDocument.pdf");
MemoryStream stream = new MemoryStream();
//Load the existing PDF document
using (PdfLoadedDocument ldoc = new PdfLoadedDocument(docStream))
{
//Get the PDF form
PdfLoadedForm lForm = ldoc.Form;
if (name.Text != null)
{
//Load the textbox field
PdfLoadedTextBoxField nameText = lForm.Fields["name"] as PdfLoadedTextBoxField;
//Fill the text box
nameText.Text = this.name.Text;
}
//Get the Radio button field
PdfLoadedRadioButtonListField genderRadio = lForm.Fields["gender"] as PdfLoadedRadioButtonListField;
switch (gender.Items[gender.SelectedIndex])
{
case "Male":
genderRadio.SelectedIndex = 0;
break;
case "Female":
genderRadio.SelectedIndex = 2;
break;
case "Unspecified":
genderRadio.SelectedIndex = 1;
break;
}
//Load the textbox field
PdfLoadedTextBoxField dobText = lForm.Fields["dob"] as PdfLoadedTextBoxField;
//Fill the text box
dobText.Text = this.dob.Date.ToString("dd MMMM yyyy");
if (this.emailID.Text != null)
{
//Load the textbox field
PdfLoadedTextBoxField emailText = lForm.Fields["email"] as PdfLoadedTextBoxField;
//Fill the text box
emailText.Text = this.emailID.Text;
}
//Load the combobox field
PdfLoadedComboBoxField countryCombo = lForm.Fields["state"] as PdfLoadedComboBoxField;
//Set the selected value
countryCombo.SelectedValue = this.country.Items[country.SelectedIndex];
//Get the Checkbox field
PdfLoadedCheckBoxField newsCheck = lForm.Fields["newsletter"] as PdfLoadedCheckBoxField;
newsCheck.Checked = this.newsLetter.IsToggled;
//Flatten the form fields
ldoc.Form.Flatten = true;
//Save the PDF document
ldoc.Save(stream);
}
stream.Position = 0;
//Open in default system viewer.
if (Device.OS == TargetPlatform.WinPhone || Device.OS == TargetPlatform.Windows)
{
Xamarin.Forms.DependencyService.Get <IMailService>().ComposeMail("MailAttachment.pdf", null, "Workshop Registration", "Syncfusion", stream);
}
else
{
Xamarin.Forms.DependencyService.Get <IMailService>().ComposeMail("MailAttachment.pdf", null, "Workshop Registration", "Syncfusion", stream);
}
}
public ICustomActivityResult Execute()
{
try
{
StringWriter sw = new StringWriter();
DataTable dt = new DataTable("resultSet");
dt.Columns.Add("Result", typeof(string));
if (string.IsNullOrEmpty(Path))
{
throw new Exception("File not found");
}
if (File.Exists(Path) == false)
{
throw new Exception("File not found");
}
PdfLoadedDocument ldoc = null;
if (string.IsNullOrEmpty(FilePassword))
{
ldoc = new PdfLoadedDocument(Path);
}
else
{
ldoc = new PdfLoadedDocument(Path, FilePassword);
}
// Loading Page collections
PdfLoadedPageCollection loadedPages = ldoc.Pages;
// Extract text from PDF document pages
StringBuilder sb = new StringBuilder();
foreach (PdfLoadedPage lpage in loadedPages)
{
sb.Append(lpage.ExtractText());
}
/* Start Form */
PdfLoadedForm pdfForm = ldoc.Form;
bool found = false;
if (pdfForm != null)
{
if (pdfForm.Fields.Count > 0)
{
sb.AppendLine("");
sb.AppendLine("-------- Form Controls Values --------");
}
foreach (PdfLoadedField field in pdfForm.Fields)
{
string fname = field.Name;
string fValue = string.Empty;
try
{
if (field is PdfLoadedTextBoxField)
{
PdfLoadedTextBoxField textField = (field as PdfLoadedTextBoxField);
fValue = textField.Text;
found = true;
}
if (field is PdfLoadedCheckBoxField)
{
PdfLoadedCheckBoxField chbField = (field as PdfLoadedCheckBoxField);
fValue = chbField.Checked ? "checked" : string.Empty;
found = true;
}
if (field is PdfLoadedComboBoxField)
{
PdfLoadedComboBoxField listField = (field as PdfLoadedComboBoxField);
fValue = listField.SelectedValue;
found = true;
}
if (field is PdfLoadedRadioButtonListField)
{
PdfLoadedRadioButtonListField listField = (field as PdfLoadedRadioButtonListField);
fValue = listField.SelectedItem.Value;
found = true;
}
if (field is PdfLoadedListBoxField)
{
PdfLoadedListBoxField listField = (field as PdfLoadedListBoxField);
string[] arrValues = listField.SelectedValue;
if (arrValues != null)
{
string allValues = string.Empty;
foreach (string cValue in arrValues)
{
allValues += cValue + ";";
}
int lindex = allValues.LastIndexOf(";");
if (lindex > -1)
{
fValue = allValues.Substring(0, lindex);
}
else
{
fValue = allValues;
}
}
else
{
fValue = string.Empty;
}
found = true;
}
if (found)
{
sb.AppendLine(string.Format("Field Name: {0} Value: {1}", fname, fValue));
found = false;
}
else
{
sb.AppendLine(string.Format("Field Name: {0} Error: {1}", fname, "The control type was not recognized."));
}
}
catch
{
sb.AppendLine(string.Format("Field Name: {0} Error: {1}", fname, "Failed to retrieve the value."));
}
}
}
/* End Form */
dt.Rows.Add(sb.ToString());
return(this.GenerateActivityResult(dt));
}
catch
{
throw new Exception("Failed to process the file.");
}
}
