public void OpenFromFile(string fileName)
{
Visible = false;
try
{
Controls.Clear();
XmlReader reader = XmlReader.Create((Stream) new FileStream(fileName, FileMode.Open, FileAccess.Read, FileShare.Read));
reader.Read();
if (!reader.IsStartElement("Root"))
{
throw new ApplicationException("An Invalid file format was selected.");
}
while (reader.Read())
{
if (reader.IsStartElement() && reader.HasAttributes)
{
if (reader.Name == "Slide")
{
SlideControl slide = CreateSlide();
Controls.SetChildIndex((Control)slide, 0);
slide.ReadFromXML(reader);
}
else if (reader.Name == "Font")
{
string attribute = reader.GetAttribute("Name");
if (attribute == "SongFont")
{
SongFont.ReadFromXML(reader);
}
else if (attribute == "IndicatorFont")
{
IndicatorFont.ReadFromXML(reader);
}
else if (attribute == "MessageFont")
{
MessageFont.ReadFromXML(reader);
}
}
}
}
reader.Close();
IsDirty = false;
}
finally
{
Visible = true;
}
}
public void SaveToFile(string fileName)
{
XmlWriter writer = XmlWriter.Create(fileName);
writer.WriteStartElement("Root");
writer.WriteStartElement("Slides");
for (int index = Controls.Count - 1; index >= 0; --index)
{
((SlideControl)Controls[index]).WriteToXML(writer);
}
writer.WriteEndElement();
writer.WriteStartElement("Fonts");
SongFont.WriteToXML(writer, "SongFont");
IndicatorFont.WriteToXML(writer, "IndicatorFont");
MessageFont.WriteToXML(writer, "MessageFont");
writer.WriteEndElement();
writer.WriteEndElement();
writer.Close();
IsDirty = false;
}