public static extern int PropertySheet([In, MarshalAs(UnmanagedType.Struct)] ref PropSheetHeader psh);
/// <summary>
/// Display only the specified property pages.
/// </summary>
/// <remarks>
/// See the <see cref="DisplayPropertySheet()"/>() overload.
/// </remarks>
/// <param name="pages">Controls which pages are presented</param>
/// <returns><c>true</c> if dialog box was dismissed with OK, otherwise <c>false</c>.</returns>
public bool DisplayPropertySheet(PropPages pages)
{
PropSheetHeader hdr = new PropSheetHeader();
IProvideTaskPage iProvideTaskPage = (IProvideTaskPage)iTask;
IntPtr[] hPages = new IntPtr[3];
IntPtr hPage;
int nPages = 0;
if ((pages & PropPages.Task) != 0) {
//get task page
iProvideTaskPage.GetPage(0, false, out hPage);
hPages[nPages++] = hPage;
}
if ((pages & PropPages.Schedule) != 0) {
//get task page
iProvideTaskPage.GetPage(1, false, out hPage);
hPages[nPages++] = hPage;
}
if ((pages & PropPages.Settings) != 0) {
//get task page
iProvideTaskPage.GetPage(2, false, out hPage);
hPages[nPages++] = hPage;
}
if (nPages == 0) throw (new ArgumentException("No Property Pages to display"));
hdr.dwSize = (uint)Marshal.SizeOf(hdr);
hdr.dwFlags = (uint) (PropSheetFlags.PSH_DEFAULT | PropSheetFlags.PSH_NOAPPLYNOW);
hdr.pszCaption = this.Name;
hdr.nPages = (uint)nPages;
GCHandle gch = GCHandle.Alloc(hPages, GCHandleType.Pinned);
hdr.phpage = gch.AddrOfPinnedObject();
int res = PropertySheetDisplay.PropertySheet(ref hdr);
gch.Free();
if (res < 0) throw (new Exception("Property Sheet failed to display"));
return res>0;
}