bundles/org.eclipse.swt/Eclipse SWT Program/wpf/org/eclipse/swt/program/Program.java - platform/eclipse.platform.swt - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2008 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.swt.program;

 import org.eclipse.swt.internal.wpf.*;
 import org.eclipse.swt.internal.win32.*;
 import org.eclipse.swt.*;
 import org.eclipse.swt.graphics.*;

 /**
  * Instances of this class represent programs and
  * their associated file extensions in the operating
  * system.
  *
  * @see <a href="http://www.eclipse.org/swt/snippets/#program">Program snippets</a>
  * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
  */
 public final class Program {
 	String name;
 	String command;
 	String iconName;
 	static final String [] ARGUMENTS = new String [] {"%1", "%l", "%L"};

 /**
  * Prevents uninitialized instances from being created outside the package.
  */
 Program () {
 }

 static int createDotNetString (String string) {
 	if (string == null) return 0;
 	int length = string.length ();
 	char [] buffer = new char [length + 1];
 	string.getChars (0, length, buffer, 0);
 	return OS.gcnew_String (buffer);
 }

 static String createJavaString (int ptr) {
 	int charArray = OS.String_ToCharArray (ptr);
 	char[] chars = new char[OS.String_Length (ptr)];
 	OS.memcpy (chars, charArray, chars.length * 2);
 	OS.GCHandle_Free (charArray);
 	return new String (chars);
 }

 /**
  * Finds the program that is associated with an extension.
  * The extension may or may not begin with a '.'.  Note that
  * a <code>Display</code> must already exist to guarantee that
  * this method returns an appropriate result.
  *
  * @param extension the program extension
  * @return the program or <code>null</code>
  *
  * @exception IllegalArgumentException <ul>
  *		<li>ERROR_NULL_ARGUMENT when extension is null</li>
  *	</ul>
  */
 public static Program findProgram (String extension) {
 	if (extension == null) SWT.error (SWT.ERROR_NULL_ARGUMENT);
 	if (extension.length () == 0) return null;
 	if (extension.charAt (0) != '.') extension = "." + extension; //$NON-NLS-1$
 	if (extension.length() > 0xff) return null;
 	int key = createDotNetString (extension);
 	int classesRoot = OS.Registry_ClassesRoot ();
 	int registryKey = OS.RegistryKey_OpenSubKey (classesRoot, key);
 	OS.GCHandle_Free (key);
 	OS.GCHandle_Free (classesRoot);
 	if (registryKey == 0) return null;
 	Program program = null;
 	int value = OS.RegistryKey_GetValue (registryKey, 0);
 	if (value != 0) {
 		program = getProgram (value);
 		OS.GCHandle_Free (value);
 	}
 	OS.GCHandle_Free (registryKey);
 	return program;
 }

 /**
  * Answer all program extensions in the operating system.  Note
  * that a <code>Display</code> must already exist to guarantee
  * that this method returns an appropriate result.
  *
  * @return an array of extensions
  */
 public static String [] getExtensions () {
 	String [] extensions = new String [1024];
 	int classesRoot = OS.Registry_ClassesRoot ();
 	int subKeys = OS.RegistryKey_GetSubKeyNames (classesRoot);
 	OS.GCHandle_Free (classesRoot);
 	int count = 0, length = OS.ICollection_Count (subKeys);
 	for (int i=0; i<length; i++) {
 		int key = OS.IList_default (subKeys, i);
 		String extension = createJavaString (key);
 		OS.GCHandle_Free (key);
 		if (extension.length () > 0 && extension.charAt (0) == '.') {
 			if (count == extensions.length) {
 				String [] newExtensions = new String [extensions.length + 1024];
 				System.arraycopy (extensions, 0, newExtensions, 0, extensions.length);
 				extensions = newExtensions;
 			}
 			extensions [count++] = extension;
 		}

 	}
 	OS.GCHandle_Free (subKeys);
 	if (count != extensions.length) {
 		String [] newExtension = new String [count];
 		System.arraycopy (extensions, 0, newExtension, 0, count);
 		extensions = newExtension;
 	}
 	return extensions;
 }

 static int getKeyValue (int key, boolean expand) {
 	int value = OS.RegistryKey_GetValue (key, 0);
 	if (value != 0) {
 		if (expand) {
 			int expandedValue = OS.Environment_ExpandEnvironmentVariables (value);
 			OS.GCHandle_Free (value);
 			value = expandedValue;
 		}
 	}
 	return value;
 }

 static Program getProgram (int key) {
 	int classesRoot = OS.Registry_ClassesRoot ();
 	int registryKey = OS.RegistryKey_OpenSubKey (classesRoot, key);
 	OS.GCHandle_Free (classesRoot);
 	/* Name */
 	int name = getKeyValue (registryKey, false);
 	String programName = createJavaString (name == 0 ? key : name);
 	OS.GCHandle_Free (name);
 	/* Command */
 	int shellCommand = createDotNetString ("shell");
 	int shellKey = OS.RegistryKey_OpenSubKey (registryKey, shellCommand);
 	OS.GCHandle_Free (shellCommand);
 	int command = 0;
 	if (shellKey != 0) {
 		command = getKeyValue (shellKey, true);
 		if (command == 0) {
 			int openCommand = createDotNetString ("open");
 			int openKey = OS.RegistryKey_OpenSubKey (shellKey, openCommand);
 			if (openKey != 0) {
 				int commandCommand = createDotNetString ("command");
 				int commandKey = OS.RegistryKey_OpenSubKey (openKey, commandCommand);
 				if (commandKey != 0) {
 					command = getKeyValue (commandKey, true);
 					OS.GCHandle_Free (commandKey);
 				}
 				OS.GCHandle_Free (commandCommand);
 				OS.GCHandle_Free (openKey);
 			}
 			OS.GCHandle_Free (openCommand);
 		}
 	}
 	OS.GCHandle_Free (shellKey);
 	int iconName = 0;
 	if (command != 0) {
 		int defaultIconCommand = createDotNetString ("DefaultIcon");
 		int defaultIconKey = OS.RegistryKey_OpenSubKey (registryKey, defaultIconCommand);
 		if (defaultIconKey != 0) {
 			iconName = getKeyValue (defaultIconKey, true);
 			OS.GCHandle_Free (defaultIconKey);
 		}
 		OS.GCHandle_Free (defaultIconCommand);
 	}
 	OS.GCHandle_Free (registryKey);
 	if (command == 0) return null;
 	Program program = new Program ();
 	program.name = programName;
 	program.command = createJavaString (command);
 	OS.GCHandle_Free (command);
 	program.iconName = iconName != 0 ? createJavaString (iconName) : "";
 	OS.GCHandle_Free (iconName);
 	return program;
 }

 /**
  * Answers all available programs in the operating system.  Note
  * that a <code>Display</code> must already exist to guarantee
  * that this method returns an appropriate result.
  *
  * @return an array of programs
  */
 public static Program [] getPrograms () {
 	Program [] programs = new Program [1024];
 	int classesRoot = OS.Registry_ClassesRoot ();
 	int subKeyNames = OS.RegistryKey_GetSubKeyNames (classesRoot);
 	OS.GCHandle_Free (classesRoot);
 	int count = 0;
 	int length = OS.ICollection_Count (subKeyNames);
 	for (int i = 0; i < length; i++) {
 		int keyName = OS.IList_default (subKeyNames, i);
 		Program program = getProgram (keyName);
 		OS.GCHandle_Free (keyName);
 		if (program != null) {
 			if (count == programs.length) {
 				Program [] newPrograms = new Program [programs.length + 1024];
 				System.arraycopy (programs, 0, newPrograms, 0, programs.length);
 				programs = newPrograms;
 			}
 			programs [count++] = program;
 		}
 	}
 	OS.GCHandle_Free (subKeyNames);
 	if (count != programs.length) {
 		Program [] newPrograms = new Program [count];
 		System.arraycopy (programs, 0, newPrograms, 0, count);
 		programs = newPrograms;
 	}
 	return programs;
 }

 /**
  * Launches the operating system executable associated with the file or
  * URL (http:// or https://).  If the file is an executable then the
  * executable is launched.  Note that a <code>Display</code> must already
  * exist to guarantee that this method returns an appropriate result.
  *
  * @param fileName the file or program name or URL (http:// or https://)
  * @return <code>true</code> if the file is launched, otherwise <code>false</code>
  *
  * @exception IllegalArgumentException <ul>
  *    <li>ERROR_NULL_ARGUMENT when fileName is null</li>
  * </ul>
  */
 public static boolean launch (String fileName) {
     return launch(fileName, null);
 }

 /**
  * Launches the operating system executable associated with the file or
  * URL (http:// or https://).  If the file is an executable then the
  * executable is launched. The program is launched with the specified
  * working directory only when the <code>workingDir</code> exists and
  * <code>fileName</code> is an executable.
  * Note that a <code>Display</code> must already exist to guarantee
  * that this method returns an appropriate result.
  *
  * @param fileName the file name or program name or URL (http:// or https://)
  * @param workingDir the name of the working directory or null
  * @return <code>true</code> if the file is launched, otherwise <code>false</code>
  *
  * @exception IllegalArgumentException <ul>
  *    <li>ERROR_NULL_ARGUMENT when fileName is null</li>
  * </ul>
  *
  * @since 3.6
  */
 public static boolean launch (String fileName, String workingDir) {
 	if (fileName == null) SWT.error (SWT.ERROR_NULL_ARGUMENT);
 	int hHeap = Win32.GetProcessHeap ();
 	int length = fileName.length ();
 	char [] buffer = new char [length + 1];
 	fileName.getChars (0, length, buffer, 0);
 	int byteCount = buffer.length  * 2;
 	int lpFile = Win32.HeapAlloc (hHeap, Win32.HEAP_ZERO_MEMORY, byteCount);
 	Win32.MoveMemory (lpFile, buffer, byteCount);
 	SHELLEXECUTEINFOW info = new SHELLEXECUTEINFOW ();
 	info.cbSize = SHELLEXECUTEINFOW.sizeof;
 	info.lpFile = lpFile;
 	info.nShow = Win32.SW_SHOW;
 	boolean result = Win32.ShellExecuteExW (info);
 	if (lpFile != 0) Win32.HeapFree (hHeap, 0, lpFile);
 	return result;
 }

 /**
  * Executes the program with the file as the single argument
  * in the operating system.  It is the responsibility of the
  * programmer to ensure that the file contains valid data for
  * this program.
  *
  * @param fileName the file or program name
  * @return <code>true</code> if the file is launched, otherwise <code>false</code>
  *
  * @exception IllegalArgumentException <ul>
  *    <li>ERROR_NULL_ARGUMENT when fileName is null</li>
  * </ul>
  */
 public boolean execute (String fileName) {
 	if (fileName == null) SWT.error (SWT.ERROR_NULL_ARGUMENT);
 	int index = 0;
 	boolean append = true;
 	String prefix = command, suffix = ""; //$NON-NLS-1$
 	while (index < ARGUMENTS.length) {
 		int i = command.indexOf (ARGUMENTS [index]);
 		if (i != -1) {
 			append = false;
 			prefix = command.substring (0, i);
 			suffix = command.substring (i + ARGUMENTS [index].length (), command.length ());
 			break;
 		}
 		index++;
 	}
 	if (append) fileName = " \"" + fileName + "\"";
 	String commandLine = prefix + fileName + suffix;
 	int length = commandLine.length ();
 	char [] buffer = new char [length + 1];
 	commandLine.getChars (0, length, buffer, 0);
 	STARTUPINFOW lpStartupInfo = new STARTUPINFOW ();
 	lpStartupInfo.cb = STARTUPINFOW.sizeof;
 	PROCESS_INFORMATION lpProcessInformation = new PROCESS_INFORMATION ();
 	boolean success = Win32.CreateProcessW (0, buffer, 0, 0, false, 0, 0, 0, lpStartupInfo, lpProcessInformation);
 	if (lpProcessInformation.hProcess != 0) Win32.CloseHandle (lpProcessInformation.hProcess);
 	if (lpProcessInformation.hThread != 0) Win32.CloseHandle (lpProcessInformation.hThread);
 	return success;
 }

 /**
  * Returns the receiver's image data.  This is the icon
  * that is associated with the receiver in the operating
  * system.
  *
  * @return the image data for the program, may be null
  */
 public ImageData getImageData () {
 	int nIconIndex = 0;
 	String fileName = iconName;
 	int index = iconName.indexOf (',');
 	if (index != -1) {
 		fileName = iconName.substring (0, index);
 		String iconIndex = iconName.substring (index + 1, iconName.length ()).trim ();
 		try {
 			nIconIndex = Integer.parseInt (iconIndex);
 		} catch (NumberFormatException e) {}
 	}
 	int length = fileName.length ();
 	char [] buffer = new char [length + 1];
 	fileName.getChars (0, length, buffer, 0);
 	int [] phiconSmall = new int [1], phiconLarge = null;
 	Win32.ExtractIconExW (buffer, nIconIndex, phiconLarge, phiconSmall, 1);
 	if (phiconSmall [0] == 0) return null;
 	int empty = OS.Int32Rect_Empty ();
 	int source = OS.Imaging_CreateBitmapSourceFromHIcon (phiconSmall [0], empty, 0);
 	Image image = Image.wpf_new (null, SWT.ICON, source);
 	OS.GCHandle_Free (empty);
 	ImageData imageData = image.getImageData ();
 	image.dispose ();
 	return imageData;
 }

 /**
  * Returns the receiver's name.  This is as short and
  * descriptive a name as possible for the program.  If
  * the program has no descriptive name, this string may
  * be the executable name, path or empty.
  *
  * @return the name of the program
  */
 public String getName () {
 	return name;
 }

 /**
  * Compares the argument to the receiver, and returns true
  * if they represent the <em>same</em> object using a class
  * specific comparison.
  *
  * @param other the object to compare with this object
  * @return <code>true</code> if the object is the same as this object and <code>false</code> otherwise
  *
  * @see #hashCode()
  */
 public boolean equals (Object other) {
 	if (this == other) return true;
 	if (other instanceof Program) {
 		final Program program = (Program) other;
 		return name.equals (program.name) && command.equals (program.command)
 			&& iconName.equals (program.iconName);
 	}
 	return false;
 }

 /**
  * Returns an integer hash code for the receiver. Any two
  * objects that return <code>true</code> when passed to
  * <code>equals</code> must return the same value for this
  * method.
  *
  * @return the receiver's hash
  *
  * @see #equals(Object)
  */
 public int hashCode () {
 	return name.hashCode () ^ command.hashCode () ^ iconName.hashCode ();
 }

 /**
  * Returns a string containing a concise, human-readable
  * description of the receiver.
  *
  * @return a string representation of the program
  */
 public String toString () {
 	return "Program {" + name + "}"; //$NON-NLS-1$ //$NON-NLS-2$
 }

 }
	/*******************************************************************************
	* Copyright (c) 2000, 2008 IBM Corporation and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.swt.program;

	import org.eclipse.swt.internal.wpf.*;
	import org.eclipse.swt.internal.win32.*;
	import org.eclipse.swt.*;
	import org.eclipse.swt.graphics.*;

	/**
	* Instances of this class represent programs and
	* their associated file extensions in the operating
	* system.
	*
	* @see <a href="http://www.eclipse.org/swt/snippets/#program">Program snippets</a>
	* @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
	*/
	public final class Program {
	String name;
	String command;
	String iconName;
	static final String [] ARGUMENTS = new String [] {"%1", "%l", "%L"};

	/**
	* Prevents uninitialized instances from being created outside the package.
	*/
	Program () {
	}

	static int createDotNetString (String string) {
	if (string == null) return 0;
	int length = string.length ();
	char [] buffer = new char [length + 1];
	string.getChars (0, length, buffer, 0);
	return OS.gcnew_String (buffer);
	}

	static String createJavaString (int ptr) {
	int charArray = OS.String_ToCharArray (ptr);
	char[] chars = new char[OS.String_Length (ptr)];
	OS.memcpy (chars, charArray, chars.length * 2);
	OS.GCHandle_Free (charArray);
	return new String (chars);
	}

	/**
	* Finds the program that is associated with an extension.
	* The extension may or may not begin with a '.'. Note that
	* a <code>Display</code> must already exist to guarantee that
	* this method returns an appropriate result.
	*
	* @param extension the program extension
	* @return the program or <code>null</code>
	*
	* @exception IllegalArgumentException <ul>
	* <li>ERROR_NULL_ARGUMENT when extension is null</li>
	* </ul>
	*/
	public static Program findProgram (String extension) {
	if (extension == null) SWT.error (SWT.ERROR_NULL_ARGUMENT);
	if (extension.length () == 0) return null;
	if (extension.charAt (0) != '.') extension = "." + extension; //$NON-NLS-1$
	if (extension.length() > 0xff) return null;
	int key = createDotNetString (extension);
	int classesRoot = OS.Registry_ClassesRoot ();
	int registryKey = OS.RegistryKey_OpenSubKey (classesRoot, key);
	OS.GCHandle_Free (key);
	OS.GCHandle_Free (classesRoot);
	if (registryKey == 0) return null;
	Program program = null;
	int value = OS.RegistryKey_GetValue (registryKey, 0);
	if (value != 0) {
	program = getProgram (value);
	OS.GCHandle_Free (value);
	}
	OS.GCHandle_Free (registryKey);
	return program;
	}

	/**
	* Answer all program extensions in the operating system. Note
	* that a <code>Display</code> must already exist to guarantee
	* that this method returns an appropriate result.
	*
	* @return an array of extensions
	*/
	public static String [] getExtensions () {
	String [] extensions = new String [1024];
	int classesRoot = OS.Registry_ClassesRoot ();
	int subKeys = OS.RegistryKey_GetSubKeyNames (classesRoot);
	OS.GCHandle_Free (classesRoot);
	int count = 0, length = OS.ICollection_Count (subKeys);
	for (int i=0; i<length; i++) {
	int key = OS.IList_default (subKeys, i);
	String extension = createJavaString (key);
	OS.GCHandle_Free (key);
	if (extension.length () > 0 && extension.charAt (0) == '.') {
	if (count == extensions.length) {
	String [] newExtensions = new String [extensions.length + 1024];
	System.arraycopy (extensions, 0, newExtensions, 0, extensions.length);
	extensions = newExtensions;
	}
	extensions [count++] = extension;
	}

	}
	OS.GCHandle_Free (subKeys);
	if (count != extensions.length) {
	String [] newExtension = new String [count];
	System.arraycopy (extensions, 0, newExtension, 0, count);
	extensions = newExtension;
	}
	return extensions;
	}

	static int getKeyValue (int key, boolean expand) {
	int value = OS.RegistryKey_GetValue (key, 0);
	if (value != 0) {
	if (expand) {
	int expandedValue = OS.Environment_ExpandEnvironmentVariables (value);
	OS.GCHandle_Free (value);
	value = expandedValue;
	}
	}
	return value;
	}

	static Program getProgram (int key) {
	int classesRoot = OS.Registry_ClassesRoot ();
	int registryKey = OS.RegistryKey_OpenSubKey (classesRoot, key);
	OS.GCHandle_Free (classesRoot);
	/* Name */
	int name = getKeyValue (registryKey, false);
	String programName = createJavaString (name == 0 ? key : name);
	OS.GCHandle_Free (name);
	/* Command */
	int shellCommand = createDotNetString ("shell");
	int shellKey = OS.RegistryKey_OpenSubKey (registryKey, shellCommand);
	OS.GCHandle_Free (shellCommand);
	int command = 0;
	if (shellKey != 0) {
	command = getKeyValue (shellKey, true);
	if (command == 0) {
	int openCommand = createDotNetString ("open");
	int openKey = OS.RegistryKey_OpenSubKey (shellKey, openCommand);
	if (openKey != 0) {
	int commandCommand = createDotNetString ("command");
	int commandKey = OS.RegistryKey_OpenSubKey (openKey, commandCommand);
	if (commandKey != 0) {
	command = getKeyValue (commandKey, true);
	OS.GCHandle_Free (commandKey);
	}
	OS.GCHandle_Free (commandCommand);
	OS.GCHandle_Free (openKey);
	}
	OS.GCHandle_Free (openCommand);
	}
	}
	OS.GCHandle_Free (shellKey);
	int iconName = 0;
	if (command != 0) {
	int defaultIconCommand = createDotNetString ("DefaultIcon");
	int defaultIconKey = OS.RegistryKey_OpenSubKey (registryKey, defaultIconCommand);
	if (defaultIconKey != 0) {
	iconName = getKeyValue (defaultIconKey, true);
	OS.GCHandle_Free (defaultIconKey);
	}
	OS.GCHandle_Free (defaultIconCommand);
	}
	OS.GCHandle_Free (registryKey);
	if (command == 0) return null;
	Program program = new Program ();
	program.name = programName;
	program.command = createJavaString (command);
	OS.GCHandle_Free (command);
	program.iconName = iconName != 0 ? createJavaString (iconName) : "";
	OS.GCHandle_Free (iconName);
	return program;
	}

	/**
	* Answers all available programs in the operating system. Note
	* that a <code>Display</code> must already exist to guarantee
	* that this method returns an appropriate result.
	*
	* @return an array of programs
	*/
	public static Program [] getPrograms () {
	Program [] programs = new Program [1024];
	int classesRoot = OS.Registry_ClassesRoot ();
	int subKeyNames = OS.RegistryKey_GetSubKeyNames (classesRoot);
	OS.GCHandle_Free (classesRoot);
	int count = 0;
	int length = OS.ICollection_Count (subKeyNames);
	for (int i = 0; i < length; i++) {
	int keyName = OS.IList_default (subKeyNames, i);
	Program program = getProgram (keyName);
	OS.GCHandle_Free (keyName);
	if (program != null) {
	if (count == programs.length) {
	Program [] newPrograms = new Program [programs.length + 1024];
	System.arraycopy (programs, 0, newPrograms, 0, programs.length);
	programs = newPrograms;
	}
	programs [count++] = program;
	}
	}
	OS.GCHandle_Free (subKeyNames);
	if (count != programs.length) {
	Program [] newPrograms = new Program [count];
	System.arraycopy (programs, 0, newPrograms, 0, count);
	programs = newPrograms;
	}
	return programs;
	}

	/**
	* Launches the operating system executable associated with the file or
	* URL (http:// or https://). If the file is an executable then the
	* executable is launched. Note that a <code>Display</code> must already
	* exist to guarantee that this method returns an appropriate result.
	*
	* @param fileName the file or program name or URL (http:// or https://)
	* @return <code>true</code> if the file is launched, otherwise <code>false</code>
	*
	* @exception IllegalArgumentException <ul>
	* <li>ERROR_NULL_ARGUMENT when fileName is null</li>
	* </ul>
	*/
	public static boolean launch (String fileName) {
	return launch(fileName, null);
	}

	/**
	* Launches the operating system executable associated with the file or
	* URL (http:// or https://). If the file is an executable then the
	* executable is launched. The program is launched with the specified
	* working directory only when the <code>workingDir</code> exists and
	* <code>fileName</code> is an executable.
	* Note that a <code>Display</code> must already exist to guarantee
	* that this method returns an appropriate result.
	*
	* @param fileName the file name or program name or URL (http:// or https://)
	* @param workingDir the name of the working directory or null
	* @return <code>true</code> if the file is launched, otherwise <code>false</code>
	*
	* @exception IllegalArgumentException <ul>
	* <li>ERROR_NULL_ARGUMENT when fileName is null</li>
	* </ul>
	*
	* @since 3.6
	*/
	public static boolean launch (String fileName, String workingDir) {
	if (fileName == null) SWT.error (SWT.ERROR_NULL_ARGUMENT);
	int hHeap = Win32.GetProcessHeap ();
	int length = fileName.length ();
	char [] buffer = new char [length + 1];
	fileName.getChars (0, length, buffer, 0);
	int byteCount = buffer.length * 2;
	int lpFile = Win32.HeapAlloc (hHeap, Win32.HEAP_ZERO_MEMORY, byteCount);
	Win32.MoveMemory (lpFile, buffer, byteCount);
	SHELLEXECUTEINFOW info = new SHELLEXECUTEINFOW ();
	info.cbSize = SHELLEXECUTEINFOW.sizeof;
	info.lpFile = lpFile;
	info.nShow = Win32.SW_SHOW;
	boolean result = Win32.ShellExecuteExW (info);
	if (lpFile != 0) Win32.HeapFree (hHeap, 0, lpFile);
	return result;
	}

	/**
	* Executes the program with the file as the single argument
	* in the operating system. It is the responsibility of the
	* programmer to ensure that the file contains valid data for
	* this program.
	*
	* @param fileName the file or program name
	* @return <code>true</code> if the file is launched, otherwise <code>false</code>
	*
	* @exception IllegalArgumentException <ul>
	* <li>ERROR_NULL_ARGUMENT when fileName is null</li>
	* </ul>
	*/
	public boolean execute (String fileName) {
	if (fileName == null) SWT.error (SWT.ERROR_NULL_ARGUMENT);
	int index = 0;
	boolean append = true;
	String prefix = command, suffix = ""; //$NON-NLS-1$
	while (index < ARGUMENTS.length) {
	int i = command.indexOf (ARGUMENTS [index]);
	if (i != -1) {
	append = false;
	prefix = command.substring (0, i);
	suffix = command.substring (i + ARGUMENTS [index].length (), command.length ());
	break;
	}
	index++;
	}
	if (append) fileName = " \"" + fileName + "\"";
	String commandLine = prefix + fileName + suffix;
	int length = commandLine.length ();
	char [] buffer = new char [length + 1];
	commandLine.getChars (0, length, buffer, 0);
	STARTUPINFOW lpStartupInfo = new STARTUPINFOW ();
	lpStartupInfo.cb = STARTUPINFOW.sizeof;
	PROCESS_INFORMATION lpProcessInformation = new PROCESS_INFORMATION ();
	boolean success = Win32.CreateProcessW (0, buffer, 0, 0, false, 0, 0, 0, lpStartupInfo, lpProcessInformation);
	if (lpProcessInformation.hProcess != 0) Win32.CloseHandle (lpProcessInformation.hProcess);
	if (lpProcessInformation.hThread != 0) Win32.CloseHandle (lpProcessInformation.hThread);
	return success;
	}

	/**
	* Returns the receiver's image data. This is the icon
	* that is associated with the receiver in the operating
	* system.
	*
	* @return the image data for the program, may be null
	*/
	public ImageData getImageData () {
	int nIconIndex = 0;
	String fileName = iconName;
	int index = iconName.indexOf (',');
	if (index != -1) {
	fileName = iconName.substring (0, index);
	String iconIndex = iconName.substring (index + 1, iconName.length ()).trim ();
	try {
	nIconIndex = Integer.parseInt (iconIndex);
	} catch (NumberFormatException e) {}
	}
	int length = fileName.length ();
	char [] buffer = new char [length + 1];
	fileName.getChars (0, length, buffer, 0);
	int [] phiconSmall = new int [1], phiconLarge = null;
	Win32.ExtractIconExW (buffer, nIconIndex, phiconLarge, phiconSmall, 1);
	if (phiconSmall [0] == 0) return null;
	int empty = OS.Int32Rect_Empty ();
	int source = OS.Imaging_CreateBitmapSourceFromHIcon (phiconSmall [0], empty, 0);
	Image image = Image.wpf_new (null, SWT.ICON, source);
	OS.GCHandle_Free (empty);
	ImageData imageData = image.getImageData ();
	image.dispose ();
	return imageData;
	}

	/**
	* Returns the receiver's name. This is as short and
	* descriptive a name as possible for the program. If
	* the program has no descriptive name, this string may
	* be the executable name, path or empty.
	*
	* @return the name of the program
	*/
	public String getName () {
	return name;
	}

	/**
	* Compares the argument to the receiver, and returns true
	* if they represent the <em>same</em> object using a class
	* specific comparison.
	*
	* @param other the object to compare with this object
	* @return <code>true</code> if the object is the same as this object and <code>false</code> otherwise
	*
	* @see #hashCode()
	*/
	public boolean equals (Object other) {
	if (this == other) return true;
	if (other instanceof Program) {
	final Program program = (Program) other;
	return name.equals (program.name) && command.equals (program.command)
	&& iconName.equals (program.iconName);
	}
	return false;
	}

	/**
	* Returns an integer hash code for the receiver. Any two
	* objects that return <code>true</code> when passed to
	* <code>equals</code> must return the same value for this
	* method.
	*
	* @return the receiver's hash
	*
	* @see #equals(Object)
	*/
	public int hashCode () {
	return name.hashCode () ^ command.hashCode () ^ iconName.hashCode ();
	}

	/**
	* Returns a string containing a concise, human-readable
	* description of the receiver.
	*
	* @return a string representation of the program
	*/
	public String toString () {
	return "Program {" + name + "}"; //$NON-NLS-1$ //$NON-NLS-2$
	}

	}