1e41f4b71Sopenharmony_ci# Window Subsystem Changelog 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci## cl.window.1 Verification Condition Added to maximize 4e41f4b71Sopenharmony_ci 5e41f4b71Sopenharmony_ci**Access Level** 6e41f4b71Sopenharmony_ci 7e41f4b71Sopenharmony_ciPublic API 8e41f4b71Sopenharmony_ci 9e41f4b71Sopenharmony_ci**Reason for Change** 10e41f4b71Sopenharmony_ci 11e41f4b71Sopenharmony_ciThe API implementation is inconsistent with the design. This API takes effect only on 2-in-1 devices. 12e41f4b71Sopenharmony_ci 13e41f4b71Sopenharmony_ci**Change Impact** 14e41f4b71Sopenharmony_ci 15e41f4b71Sopenharmony_ciThis change is a non-compatible change. 16e41f4b71Sopenharmony_ci 17e41f4b71Sopenharmony_ciBefore the change: The API can be called to maximize a window on a non-2-in-1 device. 18e41f4b71Sopenharmony_ci 19e41f4b71Sopenharmony_ciAfter the change: When **maximize** is called, the system checks whether the device is a 2-in-1 device. If not, the window is not maximized. 20e41f4b71Sopenharmony_ci 21e41f4b71Sopenharmony_ci**Start API Level** 22e41f4b71Sopenharmony_ci 23e41f4b71Sopenharmony_ci12 24e41f4b71Sopenharmony_ci 25e41f4b71Sopenharmony_ci**Change Since** 26e41f4b71Sopenharmony_ci 27e41f4b71Sopenharmony_ciOpenHarmony SDK 5.0.0.40 28e41f4b71Sopenharmony_ci 29e41f4b71Sopenharmony_ci**Key API/Component Changes** 30e41f4b71Sopenharmony_ci 31e41f4b71Sopenharmony_ci@ohos.window.d.ts 32e41f4b71Sopenharmony_ci 33e41f4b71Sopenharmony_ciSystem capability: SystemCapability.Window.SessionManager 34e41f4b71Sopenharmony_ci 35e41f4b71Sopenharmony_ciAPI: maximize 36e41f4b71Sopenharmony_ci 37e41f4b71Sopenharmony_ci**Adaptation Guide** 38e41f4b71Sopenharmony_ci 39e41f4b71Sopenharmony_ciYou are not advised to call this API on non-2-in-1 devices. If this API is called on a non-2-in-1 device, no error is reported but no response is returned. 40