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Determines if the Text Services Framework (TSF) keyboard is open or closed.
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wParam
-
Not used; must be zero.
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lParam
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Not used; must be zero.
If the TSF keyboard is open, the return value is TRUE. Otherwise, it is FALSE.
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows XP with SP1 [desktop apps only] |
| Minimum supported server |
Windows Server 2003 [desktop apps only] |
| Header |
|