public bool Open(string fileName)
{
FilePath = fileName;
if (FilePath == null)
{
var d = new OpenFileDialog();
d.Filter = Filter;
if (d.ShowDialog(OwnerForm) != DialogResult.OK)
{
return(false);
}
FilePath = d.FileName;
}
using (var stm = new FileStream(FilePath, FileMode.Open)) {
DocumentData.Read(stm);
}
DocumentData.Updated();
return(true);
}
