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Sent to the CPlApplet function of a Control Panel application to retrieve the number of dialog boxes supported by the application.
Parameters
-
wParam
- Must be zero.
-
lParam
- Must be zero.
Return value
The CPlApplet function returns the number of dialog boxes that the Control Panel application supports.
Remarks
This message is sent immediately after the CPL_INIT message.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows XP [desktop apps only] |
| Minimum supported server |
Windows 2000 Server [desktop apps only] |
| Header |
|