private void btnDelete_Click(object sender, EventArgs e)
{
var node = trvExtensions.SelectedNode;
if (node != null)
{
var ext = node.Tag as IFeatureSourceExtension;
var join = node.Tag as IAttributeRelation;
var calc = node.Tag as ICalculatedProperty;
if (ext != null)
{
_fs.RemoveExtension(ext);
OnResourceChanged();
trvExtensions.Nodes.Remove(node);
}
else if (join != null)
{
//Disassociate from parent
ext = node.Parent.Tag as IFeatureSourceExtension;
if (ext != null)
{
ext.RemoveRelation(join);
OnResourceChanged();
node.Parent.Nodes.Remove(node);
}
}
else if (calc != null)
{
//Disassociate from parent
ext = node.Parent.Tag as IFeatureSourceExtension;
if (ext != null)
{
ext.RemoveCalculatedProperty(calc);
OnResourceChanged();
node.Parent.Nodes.Remove(node);
}
}
}
}
