CPlApplet - Win32 Programmer's Reference

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CPlApplet

The CPlApplet function is a library-defined callback function that serves as the entry point for a Control Panel application.

LONG APIENTRY CPlApplet(

HWND hwndCPl,	// handle to Control Panel window
UINT uMsg,	// message
LONG lParam1,	// first message parameter
LONG lParam2	// second message parameter
);

Parameters
hwndCPl

Identifies the main window of the controlling application.

uMsg

Specifies the message being sent to the Control Panel application.

lParam1

Specifies additional message-specific information.

lParam2

Specifies additional message-specific information.

Return Values
The return value depends on the message. For more information, see the descriptions of the individual Control Panel messages.

Remarks
Use the hwndCPl parameter for dialog boxes or other windows that require a handle to a parent window.

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