private void XmlDrop(object sender, DragEventArgs e)
{
var dropped = ((string[])e.Data.GetData(DataFormats.FileDrop));
var files = dropped.ToList();
if (!files.Any())
{
return;
}
if (files.Count > 1)
{
TopMessageBox.Show("Drop only 1 file!", "Warning");
return;
}
FileAttributes attr = File.GetAttributes(files[0]);
if (attr.HasFlag(FileAttributes.Directory) || Path.GetExtension(files[0]).ToLower() != ".xml")
{
TopMessageBox.Show("This application accepts only XML files", "Warning");
return;
}
ValidaXml(files[0]);
}
private void ValidaXml(string arquivo)
{
try {
XmlDocument x = new XmlDocument();
x.Load(arquivo);
bool valid = SignVerify(x);
if (valid)
{
Result.Text = "Valid";
Result.ForeColor = Color.Green;
}
else
{
Result.Text = "Invalid";
Result.ForeColor = Color.Red;
}
} catch (Exception e) {
if (e is XmlException)
{
TopMessageBox.Show("Error parsing file as an XML.\n\nIs this a valid XML file?", "Error!");
}
else
{
TopMessageBox.Show(e.GetBaseException().Message, "Error!");
}
}
}