private IntPtr CreatePropertySheetPage()
{
if (hPropertySheetPage == IntPtr.Zero)
{
_psp = new PROPSHEETPAGE();
_psp.hInstance = IntPtr.Zero;
_psp.dwSize = Marshal.SizeOf(_psp);
_psp.dwFlags = pspFlags.PSP_USECALLBACK | pspFlags.PSP_USETITLE | pspFlags.PSP_DLGINDIRECT;
_psp.lParam = IntPtr.Zero;
if (RightToLeft == RightToLeft.Yes)
{
_psp.dwFlags |= pspFlags.PSP_RTLREADING;
}
if (_icon != null)
{
_psp.dwFlags |= pspFlags.PSP_USEHICON;
_psp.hIcon = _icon.GetHicon();
}
if (_showHelpButton)
{
_psp.dwFlags |= pspFlags.PSP_HASHELP;
}
_psp.pResource = GetDlgTemplate();
_psp.pfnDlgProc = new DialogProc(WndProc);
_psp.pfnCallback = new PropSheetPageProc(PropSheetPageCallback);
_psp.pszTitle = Text;
hPropertySheetPage = Comctl32.CreatePropertySheetPage(ref _psp);
if (hPropertySheetPage != IntPtr.Zero)
{
_extensionReferences.Add(this);
}
}
return(hPropertySheetPage);
}
public static extern IntPtr CreatePropertySheetPage(ref PROPSHEETPAGE psp);
private int PropSheetPageCallback(IntPtr x96e7d32425e52ebf, x879758f4cab61ddd x5bf2804bd1654533, ref PROPSHEETPAGE xa65184d44a47025b)
{
if ((x5bf2804bd1654533 != x879758f4cab61ddd.xf22ca9d72ffb7392) && (x5bf2804bd1654533 == x879758f4cab61ddd.xae1bd93d002e5fd5))
{
_extensionReferences.Remove(this);
Marshal.FreeCoTaskMem(_psp.pResource);
if (_icon != null)
{
_icon.Dispose();
_icon = null;
}
base.Dispose();
GC.SuppressFinalize(this);
}
return(1);
}