Help! Need hex code for Freeze bool offset

Hello guy's
Did you guys know how to freeze bool offset in mod menu by using hook method or hex patch

// RVA: 0x20764C4 Offset: 0x20764C4 VA: 0x20764C4
public bool get_boxProjection() { }

And this is in GUIStyle so
How can I hook or patch this
// RVA: 0x25AA2C4 Offset: 0x25AA2C4 VA: 0x25AA2C4
public GUIStyle get_box() { }