The toFront() method makes a window visible in an unconsistent
manner.

toFront() changes the stacking order, which is one thing, and 
show() shows it and setVisible() sets it to be visible. The 
problem appears to be that toFront() does a show (which it 
shouldn't anyway) but does not setVisible().

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This appears to only effect Solaris versions.  The Window.toFront causes a hinden window to be displayed and then it is unable to hide it.

With this test application.

1. Press the Create Button
2. Press Show Button
<Window in upper left hand corner appears - good>
3. Press Hide Button
<Window in upper left hand corner disappears - good>
4. Press toFront Button
<Window in upper left hand corner appears - bad>
5. Press Hide Button
<Window in upper left hand corner stays - bad>

It appears the Window.toFront() is missing up the visability state.

zWindow.java
---------------------------------

import java.awt.*;
import java.awt.event.*;

class zWindowFrame extends Frame
{
	zWindowFrame()
	{
		setLayout(new FlowLayout());

		Button createButton = new Button("Create");
		add(createButton);
		createButton.addActionListener(
			new ActionListener()
			{
				public void actionPerformed(ActionEvent e)
				{
					onCreate();
				}
			}
		);

		Button showButton = new Button("Show");
		add(showButton);
		showButton.addActionListener(
			new ActionListener()
			{
				public void actionPerformed(ActionEvent e)
				{
					onShow();
				}
			}
		);

		Button hideButton = new Button("Hide");
		add(hideButton);
		hideButton.addActionListener(
			new ActionListener()
			{
				public void actionPerformed(ActionEvent e)
				{
					onHide();
				}
			}
		);

		Button toFrontButton = new Button("toFront");
		add(toFrontButton);
		toFrontButton.addActionListener(
			new ActionListener()
			{
				public void actionPerformed(ActionEvent e)
				{
					onToFront();
				}
			}
		);

		Button toBackButton = new Button("toBack");
		add(toBackButton);
		toBackButton.addActionListener(
			new ActionListener()
			{
				public void actionPerformed(ActionEvent e)
				{
					onToBack();
				}
			}
		);

		addWindowListener(
			new WindowAdapter()
			{
				public void windowClosing(WindowEvent e)
				{
					System.exit(0);
				}
			}
		);
	}

	void onCreate()
	{
		if (window == null)
		{
			window = new Window(this);
			window.setBounds(0,0,64,64);
		}
	}

	void onShow()
	{
		if (window != null)
		{
			window.show();
		}
	}

	void onHide()
	{
		if (window != null)
		{
			window.hide();
		}
	}

	void onToFront()
	{
		if (window != null)
		{
			window.toFront();
		}
	}

	void onToBack()
	{
		if (window != null)
		{
			window.toBack();
		}
	}

	Window	window = null;
}

public class zWindow
{
	public static void main(String[] args)
	{
		Frame frame = new zWindowFrame();
		frame.setBounds(100,100,320,200);
		frame.show();
	}
}