This function returns the layout of a device context (DC).
[in] Handle to the DC.
If the function succeeds, it returns the layout flags for the current device context. For more information, see SetLayout.
If the function fails, it returns GDI_ERROR. For extended error information, call GetLastError.
The layout specifies the order in which text and graphics are revealed in a window or device context. The default is left-to-right. The GetLayout function tells you if the default has been changed through a call to SetLayout.