internal override UiaCore.IRawElementProviderFragment ElementProviderFromPoint(double x, double y)
{
int innerX = (int)x;
int innerY = (int)y;
ComCtl32.MCHITTESTINFO hitTestInfo = GetHitTestInfo(innerX, innerY);
switch ((ComCtl32.MCHT)hitTestInfo.uHit)
{
case ComCtl32.MCHT.TITLEBTNPREV:
return(GetCalendarChildAccessibleObject(_calendarIndex, CalendarChildType.PreviousButton));
case ComCtl32.MCHT.TITLEBTNNEXT:
return(GetCalendarChildAccessibleObject(_calendarIndex, CalendarChildType.NextButton));
case ComCtl32.MCHT.TITLE:
case ComCtl32.MCHT.TITLEMONTH:
case ComCtl32.MCHT.TITLEYEAR:
return(GetCalendarChildAccessibleObject(_calendarIndex, CalendarChildType.CalendarHeader));
case ComCtl32.MCHT.CALENDARDAY:
case ComCtl32.MCHT.CALENDARWEEKNUM:
case ComCtl32.MCHT.CALENDARDATE:
// Get calendar body's child.
CalendarBodyAccessibleObject calendarBodyAccessibleObject = (CalendarBodyAccessibleObject)GetCalendarChildAccessibleObject(_calendarIndex, CalendarChildType.CalendarBody);
return(calendarBodyAccessibleObject.GetFromPoint(hitTestInfo));
case ComCtl32.MCHT.TODAYLINK:
return(GetCalendarChildAccessibleObject(_calendarIndex, CalendarChildType.TodayLink));
}
return(base.ElementProviderFromPoint(x, y));
}
public ComCtl32.MCHITTESTINFO GetHitTestInfo(int xScreen, int yScreen)
{
ComCtl32.MCHITTESTINFO hitTestInfo = new ComCtl32.MCHITTESTINFO();
hitTestInfo.cbSize = (int)Marshal.SizeOf(hitTestInfo);
hitTestInfo.pt = new POINT();
hitTestInfo.st = new Kernel32.SYSTEMTIME();
Point point = new Point(xScreen, yScreen);
User32.MapWindowPoints(IntPtr.Zero, Handle, ref point, 1);
hitTestInfo.pt.x = point.X;
hitTestInfo.pt.y = point.Y;
UnsafeNativeMethods.SendMessage(new HandleRef(this, Handle), (int)ComCtl32.MCM.HITTEST, 0, ref hitTestInfo);
return(hitTestInfo);
}
public static extern IntPtr SendMessage(HandleRef hWnd, int msg, int wParam, ref ComCtl32.MCHITTESTINFO lParam);
