public LoadingTreeNode(TreeView treeView, MutableTreeNode owner)
: base("Loading ...")
{
this.treeView = treeView;
this.owner = owner;
ForeColor = SystemColors.GrayText;
ImageKey = SelectedImageKey = "loading";
treeView.AfterExpand += TreeView_AfterExpand;
}
public async Task LoadAsync(string fileName, string format = "binary")
{
foreach (var form in OwnedForms)
{
if (form is PropertyGridForm)
{
form.Close();
}
}
selection.Clear();
EnableUI(false);
bool loaded = false;
try {
Text = Path.GetFileName(fileName) + " - " + initialTitle;
treeView.BeginUpdate();
treeView.Nodes.Clear();
try {
await warbend.LoadAsync(fileName, format);
} catch (WarbendOperationException ex) {
var msg = $"Error loading \"{fileName}\":\r\n\r\n{ex.Message}";
MessageBox.Show(this, msg, null, MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
loaded = true;
var game = new Mutable(warbend);
var rootNode = new MutableTreeNode(treeView, game);
treeView.Nodes.Add(rootNode);
treeView.EndUpdate();
rootNode.Expand();
} catch (WarbendShuttingDownException) {
loaded = false;
} finally {
EnableUI(true);
if (!loaded)
{
Text = initialTitle;
}
}
}
