ITfKeyTraceEventSink::OnKeyTraceDown method (msctf.h)
Called when a key down event occurs.
Syntax
HRESULT OnKeyTraceDown(
[in] WPARAM wParam,
[in] LPARAM lParam
);
Parameters
[in] wParam
The WPARAM of the key event. For more information about this parameter, see the wParam parameter in WM_KEYDOWN.
[in] lParam
The LPARAM of the key event. For more information about this parameter, see the lParam parameter in WM_KEYDOWN.
Return value
If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 2000 Professional [desktop apps | UWP apps] |
| Minimum supported server | Windows 2000 Server [desktop apps | UWP apps] |
| Target Platform | Windows |
| Header | msctf.h |
| DLL | Tiptsf.dll |
| Redistributable | TSF 1.0 on Windows 2000 Professional |