public void Invalidate(Rect rect)
{
var r = new UnmanagedMethods.RECT
{
left = (int)rect.X,
top = (int)rect.Y,
right = (int)rect.Right,
bottom = (int)rect.Bottom,
};
UnmanagedMethods.InvalidateRect(_hwnd, ref r, false);
}
public void Invalidate(Rect rect)
{
var f = Scaling;
var r = new UnmanagedMethods.RECT
{
left = (int)Math.Floor(rect.X * f),
top = (int)Math.Floor(rect.Y * f),
right = (int)Math.Ceiling(rect.Right * f),
bottom = (int)Math.Ceiling(rect.Bottom * f),
};
UnmanagedMethods.InvalidateRect(_hwnd, ref r, false);
}
