private void btnNewExtension_Click(object sender, EventArgs e)
{
if (_edSvc.IsNew)
{
MessageBox.Show(Strings.SaveResourceFirst);
return;
}
var ext = ObjectFactory.CreateFeatureSourceExtension();
TreeNode node = new TreeNode();
node.Tag = ext;
node.ImageIndex = node.SelectedImageIndex = IDX_EXTENSION;
PropertyChangedEventHandler extChange = (s, evt) =>
{
if (evt.PropertyName == nameof(ext.Name))
{
node.Text = ext.Name;
}
else if (evt.PropertyName == nameof(ext.FeatureClass))
{
node.ToolTipText = string.Format(Strings.ExtendedClassTooltip, ext.FeatureClass);
}
};
ext.PropertyChanged += WeakEventHandler.Wrap(extChange, (eh) => ext.PropertyChanged -= eh);
_fs.AddExtension(ext);
OnResourceChanged();
trvExtensions.Nodes.Add(node);
trvExtensions.SelectedNode = node;
}
