PropSheetPageProc

The PropSheetPageProc function specifies an application-defined callback function that a property sheet calls when a page is created and when it is about to be destroyed. An application can use this function to perform initialization and cleanup operations for the page.

UINT CALLBACK PropSheetPageProc(

HWND hwnd,
UINT uMsg,
LPPROPSHEETPAGE ppsp
);

Parameters

hwnd

Reserved; must be NULL.

uMsg

Action flag. This parameter can be one of the following values:

Value	Meaning
PSPCB_CREATE	A page is being created. Return nonzero to allow the page to be created or zero to prevent it.
PSPCB_RELEASE	A page is being destroyed. The return value is ignored.

ppsp

Pointer to a PROPSHEETPAGE structure that defines the page being created or destroyed.

Return Values

The return value depends on the value of uMsg.

Remarks

An application must specify the address of this callback function in the pfnCallback member of a PROPSHEETPAGE structure before specifying the address of the structure in a call to the CreatePropertySheetPage function.

See Also

CreatePropertySheetPage, PROPSHEETPAGE

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