private bool OnNcHitTest(ref Message m, bool contentControl)
{
var x = NativeMethods.LoWord(m.LParam);
var y = NativeMethods.HiWord(m.LParam);
var clientLocation = PointToClient(new Point(x, y));
var gripBouns = new GripBounds(contentControl ? Content.ClientRectangle : ClientRectangle);
var transparent = new IntPtr(NativeMethods.HTTRANSPARENT);
if (_resizableTop)
{
if (_resizableRight && gripBouns.TopLeft.Contains(clientLocation))
{
m.Result = contentControl ? transparent : (IntPtr)NativeMethods.HTTOPLEFT;
return(true);
}
if (!_resizableRight && gripBouns.TopRight.Contains(clientLocation))
{
m.Result = contentControl ? transparent : (IntPtr)NativeMethods.HTTOPRIGHT;
return(true);
}
if (gripBouns.Top.Contains(clientLocation))
{
m.Result = contentControl ? transparent : (IntPtr)NativeMethods.HTTOP;
return(true);
}
}
else
{
if (_resizableRight && gripBouns.BottomLeft.Contains(clientLocation))
{
m.Result = contentControl ? transparent : (IntPtr)NativeMethods.HTBOTTOMLEFT;
return(true);
}
if (!_resizableRight && gripBouns.BottomRight.Contains(clientLocation))
{
m.Result = contentControl ? transparent : (IntPtr)NativeMethods.HTBOTTOMRIGHT;
return(true);
}
if (gripBouns.Bottom.Contains(clientLocation))
{
m.Result = contentControl ? transparent : (IntPtr)NativeMethods.HTBOTTOM;
return(true);
}
}
if (_resizableRight && gripBouns.Left.Contains(clientLocation))
{
m.Result = contentControl ? transparent : (IntPtr)NativeMethods.HTLEFT;
return(true);
}
if (!_resizableRight && gripBouns.Right.Contains(clientLocation))
{
m.Result = contentControl ? transparent : (IntPtr)NativeMethods.HTRIGHT;
return(true);
}
return(false);
}
private bool OnNcHitTest(ref Message m, bool contentControl)
{
int x = NativeMethods.LOWORD(m.LParam);
int y = NativeMethods.HIWORD(m.LParam);
Point clientLocation = PointToClient(new Point(x, y));
GripBounds gripBouns = new GripBounds(contentControl ? content.ClientRectangle : ClientRectangle);
IntPtr transparent = new IntPtr(NativeMethods.HTTRANSPARENT);
if (resizableTop)
{
if (resizableRight && gripBouns.TopLeft.Contains(clientLocation))
{
m.Result = contentControl ? transparent : (IntPtr)NativeMethods.HTTOPLEFT;
return true;
}
if (!resizableRight && gripBouns.TopRight.Contains(clientLocation))
{
m.Result = contentControl ? transparent : (IntPtr)NativeMethods.HTTOPRIGHT;
return true;
}
if (gripBouns.Top.Contains(clientLocation))
{
m.Result = contentControl ? transparent : (IntPtr)NativeMethods.HTTOP;
return true;
}
}
else
{
if (resizableRight && gripBouns.BottomLeft.Contains(clientLocation))
{
m.Result = contentControl ? transparent : (IntPtr)NativeMethods.HTBOTTOMLEFT;
return true;
}
if (!resizableRight && gripBouns.BottomRight.Contains(clientLocation))
{
m.Result = contentControl ? transparent : (IntPtr)NativeMethods.HTBOTTOMRIGHT;
return true;
}
if (gripBouns.Bottom.Contains(clientLocation))
{
m.Result = contentControl ? transparent : (IntPtr)NativeMethods.HTBOTTOM;
return true;
}
}
if (resizableRight && gripBouns.Left.Contains(clientLocation))
{
m.Result = contentControl ? transparent : (IntPtr)NativeMethods.HTLEFT;
return true;
}
if (!resizableRight && gripBouns.Right.Contains(clientLocation))
{
m.Result = contentControl ? transparent : (IntPtr)NativeMethods.HTRIGHT;
return true;
}
return false;
}