private void InitCursors()
{
unsafe void AddStandardCursor(StandardCursorShape standardShape, CursorShape shape)
{
var ptr = GLFW.CreateStandardCursor(shape);
var impl = new CursorImpl(this, ptr, true);
_standardCursors.Add(standardShape, impl);
}
AddStandardCursor(StandardCursorShape.Arrow, CursorShape.Arrow);
AddStandardCursor(StandardCursorShape.IBeam, CursorShape.IBeam);
AddStandardCursor(StandardCursorShape.Crosshair, CursorShape.Crosshair);
AddStandardCursor(StandardCursorShape.Hand, CursorShape.Hand);
AddStandardCursor(StandardCursorShape.HResize, CursorShape.HResize);
AddStandardCursor(StandardCursorShape.VResize, CursorShape.VResize);
}