public static void buttonDeleteOperation(MainForm form)
{
try
{
TreeView treeView = form.TreeOfSelectedOperations;
int indexSelectedOperation = StorageOfSelectedOperation.getIndexSelectedOperation();
int indexSelectedSurface = StorageOfSelectedOperation.getIndexSelectedSurface();
if (indexSelectedOperation != 0)
{
treeView.Nodes.RemoveAt(indexSelectedOperation);
Part.deleteOperation(indexSelectedSurface, indexSelectedOperation - 1);
StorageOfSelectedOperation.decrementOfIndex();
form.TreeOfSelectedOperations.SelectedNode = form.TreeOfSelectedOperations.Nodes[indexSelectedOperation - 1];
}
}
catch { }
}