> For the complete documentation index, see [llms.txt](https://pinvokeisalive.gitbook.io/pinvoke/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://pinvokeisalive.gitbook.io/pinvoke/desktopfunctions/user32/activatekeyboardlayout.md).

# ActivateKeyboardLayout

### C# Signature:

```cs
public enum HKL{HKL_PREV, HKL_NEXT}
/// <summary>Sets the input locale identifier (formerly called the keyboard layout handle) for the calling thread or the current process. The input locale identifier specifies a locale as well as the physical layout of the keyboard</summary>
/// <param name="hkl">Input locale identifier to be activated.</param>
/// <param name="Flags">Specifies how the input locale identifier is to be activated.</param>
/// <returns>The return value is of type HKL. If the function succeeds, the return value is the previous input locale identifier. Otherwise, it is zero</returns>
[DllImport("user32.dll", SetLastError = true)]
internal static extern HKL ActivateKeyboardLayout(HKL hkl, uint Flags);
```

### VB.Net Signature:

```cs
''' <summary>Sets the input locale identifier (formerly called the keyboard layout handle) for the calling thread or the current process. The input locale identifier specifies a locale as well as the physical layout of the keyboard</summary>
''' <param name="hkl">Input locale identifier to be activated.</param>
''' <param name="Flags">Specifies how the input locale identifier is to be activated.</param>
''' <returns>The return value is of type HKL. If the function succeeds, the return value is the previous input locale identifier.
<DllImport("user32.dll")> _
Public Shared Function ActivateKeyboardLayout(ByVal nkl As IntPtr, ByVal Flags As uint) As Integer
End Function
```

### Notes:

```cs
seealso KLF enum
seealso HKL enum
```