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Overview |
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Group |
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Quick Info
Windows NT
| Yes
| Win95
| Yes
| Win32s
| Yes
| Import Library
| user-defined
| Header File
| prsht.h
| Unicode
| No
| Platform Notes
| PFNPROPSHEETCALLBACK
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PropSheetProc
A PropSheetProc function is an application-defined callback function that the system calls
when the property sheet is being created and initialized.
int CALLBACK PropSheetProc(
HWND hwndDlg,
| // handle to the property sheet dialog box
| UINT uMsg,
| // message identifier
| LPARAM lParam
| // message parameter
| );
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Parameters
hwndDlg
Handle to the property sheet dialog box.
uMsg
Identifies the message being received. This parameter is one of the following
values:
Value
| Meaning
| PSCB_INITIALIZED
| Indicates that the property sheet is being initialized. The lParam value is zero for this message.
| PSCB_PRECREATE
| Indicates that the property sheet is about to be created. The hwndDlg parameter is NULL and the lParam parameter is a pointer to a dialog template in memory. This template is in
the form of a DLGTEMPLATE structure followed by one or more DLGITEMTEMPLATE structures.
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lParam
Specifies additional information about the message. The meaning of this value
depends on the uMsg parameter.
Return Values
The function returns zero.
Remarks
To enable a PropSheetProc callback function, use the PROPSHEETHEADER structure when you call the PropertySheet function to create the property sheet. Use the pfnCallback member to specify a pointer to the callback function, and set the
PSP_USECALLBACK flag in the dwFlags member.
PropSheetProc is a placeholder for the application-defined function name. The PFNPROPSHEETCALLBACK type is a pointer to a PropSheetProc callback function.
See Also
DLGTEMPLATE, DLGITEMTEMPLATE, PropertySheet, PROPSHEETHEADER
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