void DisposeArrowLine(IArrowLine _newLine) { if (null == _newLine) { return; } _newLine.Dispose(); }
void DisposeArrowLine(IArrowLine _newLine) { if (null == _newLine) { return; } _newLine.DeleteLine -= _newLine_DeleteLine; _newLine.ResetDirection -= _newLine_ResetDirection; _newLine.Dispose(); }