Parameters - WinQueryLangInfo

hwnd (HWND) - input

Window handle.

Handle of the window to be queried. This parameter should be NULLHANDLE when the information being queried is not window-related.

ulEffect (ULONG) - input
Specifies type of Bidi information to be queried.

It determines which type of Bidi-information is queried Depending on its value.

LI_BD_CLIP_ATTR

Clipboard bidirectional attributes.
LI_BD_CLIP_CONV_ATTR
The clipboard conversion bidirectional attributes.
LI_BD_PROCESS_ATTR
The process bidirectional attributes.
LI_BD_WND_ATTR
The window Bidi attributes.
LI_BD_WND_STAT
The window Bidi status.
ulFlags (ULONG) - input
Flag to determine optional behavior.

This is a word of bit flags that determines optional behavior of this function. Possible values are:

LIF_NO_SENDMSG

No message is sent to the window to inform it of change. This value is valid only when the operation is related to windows.
ulReserved (ULONG)
Reserved.

Is reserved and must be Zero.

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