private static int HeaderControlHitTest(IntPtr handle, Point pt, int flag)
{
HDHITTESTINFO testInfo = new HDHITTESTINFO();
testInfo.pt_x = pt.X;
testInfo.pt_y = pt.Y;
IntPtr result = NativeMethods.SendMessageHDHITTESTINFO(handle, HDM_HITTEST, IntPtr.Zero, testInfo);
if ((testInfo.flags & flag) != 0)
return result.ToInt32();
else
return -1;
}
private HITEST columnState()
{
HDHITTESTINFO ht = new HDHITTESTINFO();
GetCursorPos(ref ht.pt);
ScreenToClient(_hHeaderWnd, ref ht.pt);
SendMessage(_hHeaderWnd, HDM_HITTEST, 0, ref ht);
if (ht.iItem != -1)
return ht.flags;
return HITEST.HHT_NOWHERE;
}
private int focusedColumn()
{
HDHITTESTINFO ht = new HDHITTESTINFO();
GetCursorPos(ref ht.pt);
ScreenToClient(_hHeaderWnd, ref ht.pt);
SendMessage(_hHeaderWnd, HDM_HITTEST, 0, ref ht);
return ht.iItem;
}
public static extern IntPtr SendMessageHDHITTESTINFO(IntPtr hWnd, int Msg, IntPtr wParam, [In, Out] HDHITTESTINFO lParam);
private static extern IntPtr SendMessage(IntPtr hwnd, int msg, int wParam, ref HDHITTESTINFO lParam);
private static extern int SendMessage(IntPtr hWnd, int msg, int wParam,
ref HDHITTESTINFO lParam);
public static int HitTest(IntPtr hWnd, ref HDHITTESTINFO hdhti)
{
Debug.Assert(hWnd != IntPtr.Zero);
return(SendMessage(hWnd, HDM_HITTEST, 0, ref hdhti));
}
private static int HeaderControlHitTest(IntPtr handle, Point pt, int flag)
{
var testInfo = new HDHITTESTINFO();
testInfo.pt_x = pt.X;
testInfo.pt_y = pt.Y;
IntPtr result = SendMessageHDHITTESTINFO(handle, HDM_HITTEST, IntPtr.Zero, testInfo);
if ((testInfo.flags & flag) != 0)
return testInfo.iItem;
else
return -1;
}
public static extern int SendMessage(IntPtr hWnd, int msg, int wParam, ref HDHITTESTINFO hti);
internal static extern IntPtr SendMessage(IntPtr hWnd, int msg, int wParam, ref HDHITTESTINFO hitInfo);
internal static extern IntPtr SendMessage(IntPtr hWnd, int msg, int wParam, ref HDHITTESTINFO hitInfo);
public static extern int SendMessage(IntPtr hWnd, int msg, int wParam, ref HDHITTESTINFO hti);
