private static extern void Internal_CreateInstance(HandleSlider2D instance, int width, int height,
Slider2DConstraint constraint, UInt64 layer);
/// <summary>
/// Creates a new 2D handle slider.
/// </summary>
/// <param name="parentHandle">Handle that the slider belongs to.</param>
/// <param name="width">Width of the area of the slider that can be interacted with, in pixels.</param>
/// <param name="height">Height of the area of the slider that can be interacted with, in pixels.</param>
/// <param name="layer">
/// Layer that allows filtering of which sliders are interacted with from a specific camera.
/// </param>
/// <param name="constraint">
/// Optional constraint that determines in which direction is the slider allowed to be moved in.
/// </param>
public HandleSlider2D(Handle parentHandle, int width, int height, Slider2DConstraint constraint, UInt64 layer = 1)
: base(parentHandle)
{
Internal_CreateInstance(this, width, height, constraint, layer);
}