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