MENSAJES CON CLASE

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Clase Jdirect.java

import com.ms.wfc.app.*;

import com.ms.wfc.core.*;

import com.ms.wfc.ui.*;

import com.ms.wfc.html.*;

/**

* Esta clase puede tomar un nœmero variable de par‡metros en la l’nea de

* de comandos. La ejecuci—n del programa comienza con el mŽtodo main(). El

* constructor de clase no se invoca a menos que se cree un objeto del tipo

* 'JDirect' en el mŽtodo main().

*/

public class JDirect extends Form

{

public JDirect()

{

super();

// Necesario para el soporte de Visual J++ Form Designer

initForm();

// TODO: Agregar cualquier c—digo de constructor despuŽs de la llmada initForm

}

/**

* JDirect omite la colocaci—n, por lo que puede limpiar la

* lista de componentes.

*/

public void dispose()

{

super.dispose();

components.dispose();

}

private void btnShow_click(Object source, Event e)

{

String msg;

msg = edtMessage.getText() + "\n\nÀDesea continuar?";

if(Win32.MessageBox(

this.getHandle(), msg, edtCaption.getText(), Win32.MB_YESNO)

== Win32.IDNO)

{

Application.exit();

}

}

/**

* NOTA: El siguiente c—digo es necesario para el dise–ador de formularios

* de Visual J++. Puede modificarse editor de formularios. No lo

* modifique utilizando el editor de c—digo.

*/

Container components = new Container();

Button btnShow = new Button();

Label label1 = new Label();

Edit edtMessage = new Edit();

Label label2 = new Label();

Edit edtCaption = new Edit();

private void initForm()

{

this.setText("J/Direct Message Box");

this.setAutoScaleBaseSize(new Point(5, 13));

this.setClientSize(new Point(262, 144));

btnShow.setLocation(new Point(96, 112));

btnShow.setSize(new Point(75, 23));

btnShow.setTabIndex(4);

btnShow.setText("Mostrar");

btnShow.addOnClick(new EventHandler(this.btnShow_click));

label1.setLocation(new Point(8, 8));

label1.setSize(new Point(56, 16));

label1.setTabIndex(0);

label1.setTabStop(false);

label1.setText("Mensaje:");

edtMessage.setLocation(new Point(8, 24));

edtMessage.setSize(new Point(248, 20));

edtMessage.setTabIndex(1);

edtMessage.setText("Esto es un mensaje");

label2.setLocation(new Point(8, 56));

label2.setSize(new Point(80, 16));

label2.setTabIndex(2);

label2.setTabStop(false);

label2.setText("Captura:");

edtCaption.setLocation(new Point(8, 72));

edtCaption.setSize(new Point(248, 20));

edtCaption.setTabIndex(3);

edtCaption.setText("Caption");

this.setNewControls(new Control[] {

edtCaption,

label2,

edtMessage,

label1,

btnShow});

}

/**

* Punto de entrada principal para la aplicaci—n.

*

* @param args Matriz de par‡metros pasados a la aplicaci—n

* mediante la l’nea de comandos.

*/

public static void main(String args[])

{

Application.run(new JDirect());

}

}

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Clase Win32.java

public class Win32

{

/**

* @dll.import("USER32", auto)

*/

public static native int MessageBox(int hWnd, String lpText, String lpCaption, int uType);

public static final int MB_YESNO = 0x00000004;

public static final int IDNO = 7;

public static final int IDYES = 6;

}