public void ShowPage(TShowPage aPage) { switch (aPage) { case TShowPage.spFirst: Messaging.PostMessage(_ChildHandle, RSAppMessages.WM_THUMB, RSAppMessages.EX_FIRST, 0); break; case TShowPage.spPrev: Messaging.PostMessage(_ChildHandle, RSAppMessages.WM_THUMB, RSAppMessages.EX_PREV, 0); break; case TShowPage.spNext: Messaging.PostMessage(_ChildHandle, RSAppMessages.WM_THUMB, RSAppMessages.EX_NEXT, 0); break; case TShowPage.spLast: Messaging.PostMessage(_ChildHandle, RSAppMessages.WM_THUMB, RSAppMessages.EX_LAST, 0); break; } }