Bug 25419 [Dialogs] Can't Maximize Window: "Preferences"
Build: 200210181211 The "Preferences" window cannot be maximized since it neither has a maximize title bar button nor does the title bar respond to being double-clicked. The only work around is to reside the window manually by dragging the border. For short-lived windows this is too detail-oriented and time-consuming.
bundles/org.eclipse.jface/src/org/eclipse/jface/preference/PreferenceDialog.java
hdiff= Math.max(0, hdiff);
				vdiff= Math.max(0, vdiff);
				setShellSize(shellSize.x + hdiff, shellSize.y + vdiff);
				lastShellSize = shell.getSize();
			} else {
				currentPage.setSize(containerSize);
			}
		} else if (hdiff < 0 || vdiff < 0) {
			currentPage.setSize(containerSize);
		}
		
	}
	 
	
	
	Control[] children = pageContainer.getChildren();
	Control currentControl = currentPage.getControl();
	for (int i = 0; i < children.length; i++) {
		if (children[i] != currentControl)
			children[i].setVisible(false);
	}
	
	currentPage.setVisible(true);
	if (oldPage != null)
		oldPage.setVisible(false);
	
	update();
	return true;
}
/**