private void ResizeBottomPartOfWindow()
{
GUI.changed = false;
this.m_PreviewSize = this.m_PreviewResizer.ResizeHandle(base.position, 65f, 270f, 20f) + 20f;
this.m_TopSize = base.position.height - this.m_PreviewSize;
bool flag = this.PreviewIsOpen();
bool flag2 = this.PreviewIsWide();
this.m_ShowOverlapPreview.target = flag && !flag2;
this.m_ShowWidePreview.target = flag && flag2;
}