// Close and reopen the document from the file - useful if you've made changes to the PDF
private void RefreshButton_Click(object sender, EventArgs e)
{
// We only need to refesh if a doc is open
if (PDFDoc != null)
{
if (docWasModified)
{
runSaveDialog();
}
// Clear the existing views
mainTree.Nodes.Clear();
clearDataGrid();
PDFDoc.Dispose();
// If we opened with a password, use it again
if (currPassword != null)
{
PDFDoc = new Document(currFilePath, currPassword, PermissionRequestOperation.Open, false);
}
else
{
PDFDoc = new Document(currFilePath);
}
// Now repopulate the tree
GrabDocRootAndInfo();
// Re-initialize the data view
InitDataView();
editor = new PDFObjectExplorer(PDFDoc, mainTree, dataGridView);
}
}
// Open a PDF to examine
private void OpenPDFButton_Click(object sender, EventArgs e)
{
OpenFileDialog dialog = new OpenFileDialog();
dialog.Filter = "PDF File (*.pdf)|*.pdf";
dialog.Title = "Select a PDF file";
DialogResult result = dialog.ShowDialog();
if (result == System.Windows.Forms.DialogResult.OK)
{
String FileName = dialog.FileName;
try
{
// Dispense with the previous PDF (if any)
if (PDFDoc != null)
{
if (docWasModified)
{
runSaveDialog();
}
PDFDoc.Dispose();
}
mainWindow.ActiveForm.Text = FileName;
// First attempt to open the document with no password
try
{
PDFDoc = new Document(FileName);
currPassword = null; // Null out the password if we didn't need it
}
catch (Exception fileOpenException)
{
string exceptionMessage = fileOpenException.Message;
// Trap password-required exception
if (exceptionMessage.Contains("1073938471"))
{
// Prompt user for a password
string password = "";
frmPassword passwordForm = new frmPassword();
DialogResult passwordFormResult = passwordForm.ShowDialog();
try
{
if (passwordFormResult == DialogResult.OK)
{
password = passwordForm.password;
PDFDoc = new Document(FileName, password, PermissionRequestOperation.Open, false);
currPassword = password; // Save the password
}
// If not OK, user cancelled. Abandon the open, no document available.
else
{
mainTree.Nodes.Clear();
mainTree.Nodes.Add("(no document)");
return;
}
}
catch (Exception fileOpenWithPasswordException)
{
// Just throw to the outer handler
throw fileOpenWithPasswordException;
}
}
}
// Now repopulate the tree
GrabDocRootAndInfo();
// Re-initialize the data view
InitDataView();
editor = new PDFObjectExplorer(PDFDoc, mainTree, dataGridView);
// Save the file path
currFilePath = FileName;
}
catch (Exception exc)
{
MessageBox.Show("The File " + FileName + " cannot be opened. \n\n" + exc.ToString());
}
}
}
