| GetNextWindow(IntPtr, GetNextWindowCmd) | Retrieves a handle to the next or previous window in the Z-Order. The next window is below the specified window; the previous window is above. If the specified window is a topmost window, the function searches for a topmost window. If the specified window is a top-level window, the function searches for a top-level window. If the specified window is a child window, the function searches for a child window. |
| GetNextWindow(SafeHandle, GetNextWindowCmd) | Retrieves a handle to the next or previous window in the Z-Order. The next window is below the specified window; the previous window is above. If the specified window is a topmost window, the function searches for a topmost window. If the specified window is a top-level window, the function searches for a top-level window. If the specified window is a child window, the function searches for a child window. |