private void LoadScheme(string path)
{
filename = path;
modified = false;
dragElement = null;
connectLine = null;
menuElement = null;
move = false;
scheme?.Dispose();
scheme = null;
if (string.IsNullOrEmpty(path))
{
scheme = new DrawableScheme(pictureBox.Width, pictureBox.Height);
filename = null;
}
else
{
try
{
using (var file = File.Open(path, FileMode.Open))
scheme = DrawableSchemeStorage.Load(file);
}
catch (Exception exception)
{
ShowError(String.Format(Resource.Localization.Error_PathOpen, path), exception);
filename = null;
scheme = new DrawableScheme(pictureBox.Width, pictureBox.Height);
}
}
DrawScheme();
}
private void saveAsToolStripMenuItem_Click(object sender, EventArgs e)
{
if (saveFileDialog.ShowDialog() == DialogResult.OK)
{
using (var file = saveFileDialog.OpenFile())
DrawableSchemeStorage.Save(scheme, file);
filename = saveFileDialog.FileName;
modified = false;
}
}
private void saveToolStripMenuItem_Click(object sender, EventArgs e)
{
if (!string.IsNullOrEmpty(filename))
{
using (var file = File.Open(filename, FileMode.Create))
DrawableSchemeStorage.Save(scheme, file);
modified = false;
}
else
{
saveAsToolStripMenuItem_Click(sender, e);
}
}
public static void Save(DrawableScheme scheme, Stream stream)
{
#region arguments check
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
if (!stream.CanWrite)
{
throw new ArgumentException("The stream must be writeable.", nameof(stream));
}
#endregion
using (var streamWriter = new StreamWriter(stream))
streamWriter.Write(DrawableSchemeStorage.Save(scheme));
}
