public override void awakeFromNib() { _priorityViewIndex = 1; _minTopLeft = 200; _minBottomRight = 200; _maxTopLeft = INT_MAX; _maxBottomRight = INT_MAX; // divider style is thin by default setDividerStyle(NSSplitViewDividerStyle.NSSplitViewDividerStyleThin); // create and adjust handle image handleImage = new NSImageView(); handleImage.setImageAlignment(NSImageAlignCenter); handleImage.setImageScaling(NSImageScaleNone); NSImage i = NSImage.imageNamed("VerticalSplit"); handleImage.setImage(i); this.setHandleOnRight(false); this.adjustSubviews(); this.setDelegate(this); }