private void NewToolbarItem_Click(object sender, EventArgs e) {
if (graphBox != null)
graphBox.Dispose();
graphBox = new GraphBox();
graphBox.Size = new Size(this.Size.Width - 40, this.Size.Height - 80);
this.Controls.Add(graphBox);
}
private void OpenToolbarItem_Click(object sender, EventArgs e) {
// GraphBox initialization
if (graphBox != null)
graphBox.Dispose();
graphBox = new GraphBox();
graphBox.Size = new Size(this.Size.Width - 40, this.Size.Height - 80);
this.Controls.Add(graphBox);
// Opening file
OpenFileDialog openDialog = new OpenFileDialog();
openDialog.Filter = "Graph files (*.g)|*.g";
openDialog.RestoreDirectory = true;
try {
if (openDialog.ShowDialog() == DialogResult.OK) {
using (StreamReader sr = new StreamReader(openDialog.OpenFile(), System.Text.Encoding.Unicode)) {
if (sr != null) {
// Parsing Vertexes
int vertCount = int.Parse(sr.ReadLine());
for (int i = 0; i < vertCount; i++) {
graphBox.G += ToVetex(sr.ReadLine());
}
// Parsing Edges
int edgeCount = int.Parse(sr.ReadLine());
for (int i = 0; i < edgeCount; i++) {
graphBox.G += ToEdge(sr.ReadLine());
}
}
}
graphBuffer = graphBox.G.ToString();
}
}
catch (FormatException) {
MessageBox.Show("File corrupted!" + Environment.NewLine + "Empty file will be opened.", "Error", MessageBoxButtons.OK);
}
}