[Now Supported on Windows NT]
SendControlMsg can be called by the shell view object to send control messages to an Explorer control, either for a toobar or for a status bar window.
HRESULT SendControlMsg(
UINT id, | // Identifies a control |
UINT uMsg, | // Specifies the message to be sent |
WPARAM wParam, | // Depends on uMsg |
LPARAM lParam, | // Depends on uMsg |
LRESULT *pref | // Points to the SendMessage return value |
); |
Parameters
id
Specifies the identifer for either a toolbar (FCW_TOOLBAR) or for a status bar window (FCW_STATUS).
uMsg
Specifies the message to be sent to the control.
wParam
This value depends on the message specified in the uMsg parameter.
lParam
This value depends on the message specified in the uMsg parameter.
pret
Pointer to the return value of the SendMessage function.
Return Values
Returns NOERROR if successful or an OLE-defined error value otherwise.
Remarks
Refer to the commctrl.h header file to find the messages that can be sent to the toolbar or status bar control.
Notes to Callers
Use of this call requires diligent attention because leaving either the status bar or toolbar in an inappropriate state will affect the performance of the Explorer.
Notes to Implementors
If your Explorer does not have these controls you can return E_NOTIMPL.
See Also