Deleting text in a file dialog box via simulated keyboard strokes

I am trying to delete text in a file dialog box via simulated keyboard strokes, but the key combination of SHIFT down - HOME - END - SHIFT up does not highlight the text as expected. I attach an example vi that opens its own file open box, enters a text string, which it should subsequently delete. But it is not deleting the text as expected. What do I need to change?
Attachments:
Test_Delete_Text_in_File_Dialog_Box.vi ‏40 KB

Pbuerki,
It looks like you are doing all the keystrokes correctly. My only guess as to why it is not highlighting is that the keybd_event function does not support advanced key code commands. The function is outdated and has been superseded. See the follow MSDN link for more information: MSDN keybd_event.
There are probably some easier ways to accomplish your overall objective. What are you trying to do? Do you simply want to programmatically open a file?
Have a nice day!
Robert Mortensen
Applications Engineer
National Instruments
Robert Mortensen
Software Engineer
National Instruments

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Hi!
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no_block_with_file_open_dialog.zip ‏42 KB

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I was refering to functions which support the desired feature. As you already encountered, the Open/Create/Replace File.vi does not support this.
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Expert: Geometry
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thats the example filechooser i have working
yet when i try and implement it in my program i just get countless exception errors, im not sure if its because my program extends Jframe and not JPanel
here is my code:-
package as4;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;
import java.util.*;
import javax.swing.filechooser.*;
import java.io.*;
* Title: 
* Description: 
* Copyright: Copyright (c) 2003
* Company: 
* @author unascribed
* @version 1.0
* Title: 
* Description: 
* Copyright: Copyright (c) 2003
* Company: 
* @author unascribed
* @version 1.0
public class Readap extends JFrame {
JPanel contentPane;
GridLayout gridLayout1 = new GridLayout();
JPanel jPanel3 = new JPanel();
GridLayout gridLayout3 = new GridLayout();
JPanel jPanel1 = new JPanel();
JTextArea txtaStatus = new JTextArea();
JLabel jLabel1 = new JLabel();
JTextField txtCon = new JTextField();
JButton btnConnect = new JButton();
JTextField txtPort = new JTextField();
JTextField txtUser = new JTextField();
GridLayout gridLayout2 = new GridLayout();
JLabel jLabel6 = new JLabel();
JPasswordField ptxtPass = new JPasswordField();
JLabel jLabel5 = new JLabel();
JLabel jLabel4 = new JLabel();
JLabel jLabel3 = new JLabel();
JLabel jLabel2 = new JLabel();
JTextField txtHost = new JTextField();
JPanel jPanel2 = new JPanel();
JPanel jPanel4 = new JPanel();
GridLayout gridLayout4 = new GridLayout();
GridLayout gridLayout5 = new GridLayout();
JCheckBox chbOracle = new JCheckBox();
JCheckBox chbOdbc = new JCheckBox();
JScrollPane jScrollPane1 = new JScrollPane();
JRadioButton rbtnComma = new JRadioButton();
JRadioButton rbtnTab = new JRadioButton();
JRadioButton rbtnSpace = new JRadioButton();
ButtonGroup delChoice = new ButtonGroup();
JPanel delPanel = new JPanel();
JFileChooser fc;
int dbChoice = 1;
int conStatus = 0 ;
String delimiter=",";
String output="";
JButton btnClear = new JButton();
Dbfuncs mydb=new Dbfuncs();
JPanel jPanel7 = new JPanel();
JPanel jPanel6 = new JPanel();
JPanel jPanel5 = new JPanel();
FlowLayout flowLayout1 = new FlowLayout();
JButton btnExecute = new JButton();
JTextField txtQuery = new JTextField();
JLabel jLabel7 = new JLabel();
JButton btnOutput = new JButton();
JLabel jLabel8 = new JLabel();
GridLayout gridLayout7 = new GridLayout();
BorderLayout borderLayout1 = new BorderLayout();
JButton btnExit = new JButton();
TitledBorder titledBorder1;
TitledBorder titledBorder2;
JCheckBox chbQuotes = new JCheckBox();
JPanel jPanel8 = new JPanel();
JCheckBox chbHeading = new JCheckBox();
JPanel jPanel9 = new JPanel();
ButtonGroup fileChoice = new ButtonGroup();
JRadioButton rbtnOverwrite = new JRadioButton();
JRadioButton rbtnAppend = new JRadioButton();
//Construct the frame
public Readap() {
fc = new JFileChooser();
fc.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
enableEvents(AWTEvent.WINDOW_EVENT_MASK);
try {
jbInit();
catch(Exception e) {
e.printStackTrace();
//Component initialization
private void jbInit() throws Exception {
//setIconImage(Toolkit.getDefaultToolkit().createImage(Readap.class.getResource("[Your Icon]")));
contentPane = (JPanel) this.getContentPane();
titledBorder1 = new TitledBorder("");
titledBorder2 = new TitledBorder("");
contentPane.setLayout(gridLayout1);
this.setSize(new Dimension(448, 434));
this.setTitle("Read Database");
gridLayout1.setColumns(1);
gridLayout1.setHgap(2);
gridLayout1.setRows(2);
gridLayout1.setVgap(2);
jPanel3.setLayout(gridLayout3);
gridLayout3.setColumns(2);
gridLayout3.setHgap(5);
gridLayout3.setVgap(5);
txtaStatus.setFont(new java.awt.Font("Dialog", 0, 10));
txtaStatus.setBorder(BorderFactory.createLoweredBevelBorder());
txtaStatus.setEditable(false);
txtaStatus.setText(">>Program Loaded...");
txtaStatus.setLineWrap(true);
txtaStatus.setRows(5);
txtaStatus.setWrapStyleWord(true);
jLabel1.setFont(new java.awt.Font("Dialog", 1, 12));
jLabel1.setToolTipText("");
jLabel1.setHorizontalAlignment(SwingConstants.CENTER);
jLabel1.setText("Please choose a database...");
txtCon.setText("Access");
btnConnect.setText("Connect");
btnConnect.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(ActionEvent e) {
btnConnect_actionPerformed(e);
txtPort.setEnabled(false);
txtPort.setToolTipText("");
txtPort.setText("1521");
gridLayout2.setColumns(2);
gridLayout2.setHgap(5);
gridLayout2.setRows(6);
gridLayout2.setVgap(2);
jLabel6.setHorizontalAlignment(SwingConstants.RIGHT);
jLabel6.setText("Password");
jLabel5.setHorizontalAlignment(SwingConstants.RIGHT);
jLabel5.setText("Username");
jLabel4.setHorizontalAlignment(SwingConstants.RIGHT);
jLabel4.setText("ODBC Bridge");
jLabel3.setHorizontalAlignment(SwingConstants.RIGHT);
jLabel3.setText("Port");
jLabel2.setHorizontalAlignment(SwingConstants.RIGHT);
jLabel2.setText("Host");
txtHost.setEnabled(false);
txtHost.setText("alfgar.coventry.ac.uk");
jPanel2.setLayout(gridLayout2);
contentPane.setMinimumSize(new Dimension(100, 110));
jPanel4.setLayout(gridLayout4);
gridLayout4.setColumns(1);
gridLayout4.setHgap(2);
gridLayout4.setRows(3);
gridLayout4.setVgap(2);
jPanel1.setLayout(gridLayout5);
gridLayout5.setColumns(1);
gridLayout5.setHgap(5);
gridLayout5.setRows(2);
gridLayout5.setVgap(5);
rbtnComma.setText("Comma");
rbtnComma.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(ActionEvent e) {
rbtnComma_actionPerformed(e);
rbtnTab.setText("Tab");
rbtnTab.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(ActionEvent e) {
rbtnTab_actionPerformed(e);
rbtnSpace.setText("Space");
rbtnSpace.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(ActionEvent e) {
rbtnSpace_actionPerformed(e);
rbtnComma.setSelected(true);
jLabel8.setFont(new java.awt.Font("Dialog", 1, 12));
jLabel8.setHorizontalAlignment(SwingConstants.CENTER);
jLabel8.setText("Choose Delimiter Type");
jPanel7.setLayout(gridLayout7);
gridLayout7.setColumns(1);
gridLayout7.setRows(6);
jPanel6.setMinimumSize(new Dimension(434, 45));
jPanel6.setPreferredSize(new Dimension(434, 45));
btnExit.setText("Exit");
btnExit.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(ActionEvent e) {
btnExit_actionPerformed(e);
jPanel5.setBorder(titledBorder2);
jPanel5.setMinimumSize(new Dimension(434, 187));
jPanel3.setBorder(titledBorder1);
btnExecute.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(ActionEvent e) {
btnExecute_actionPerformed(e);
chbQuotes.setText("Wrap Data In Quotes");
chbHeading.setText("Export Column Headings");
rbtnOverwrite.setSelected(true);
rbtnOverwrite.setText("Overwrite File");
rbtnAppend.setText("Append File");
jPanel7.setBorder(BorderFactory.createLineBorder(Color.black));
btnOutput.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(ActionEvent e) {
btnOutput_actionPerformed(e);
delChoice.add(rbtnComma);
delChoice.add(rbtnTab);
delChoice.add(rbtnSpace);
delPanel.add(rbtnComma);
delPanel.add(rbtnTab);
delPanel.add(rbtnSpace);
chbOracle.setAlignmentX((float) 10.0);
chbOracle.setHorizontalAlignment(SwingConstants.CENTER);
chbOracle.setText("Oracle");
chbOracle.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(ActionEvent e) {
chbOracle_actionPerformed(e);
chbOdbc.setAlignmentX((float) 10.0);
chbOdbc.setHorizontalAlignment(SwingConstants.CENTER);
chbOdbc.setSelected(true);
chbOdbc.setText("MS ODBC");
chbOdbc.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(ActionEvent e) {
chbOdbc_actionPerformed(e);
btnClear.setText("Clear Status");
btnClear.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(ActionEvent e) {
btnClear_actionPerformed(e);
jPanel6.setLayout(flowLayout1);
jPanel5.setLayout(borderLayout1);
btnExecute.setText("Execute");
txtQuery.setMinimumSize(new Dimension(280, 21));
txtQuery.setPreferredSize(new Dimension(285, 21));
jLabel7.setFont(new java.awt.Font("Dialog", 1, 12));
jLabel7.setText("Enter Query");
btnOutput.setText("Output To File");
jPanel3.add(jPanel1, null);
jPanel1.add(jPanel4, null);
jPanel4.add(jLabel1, null);
jPanel4.add(chbOdbc, null);
jPanel4.add(chbOracle, null);
jPanel1.add(jScrollPane1, null);
jScrollPane1.getViewport().add(txtaStatus, null);
jPanel3.add(jPanel2, null);
jPanel2.add(jLabel2, null);
jPanel2.add(txtHost, null);
jPanel2.add(jLabel3, null);
jPanel2.add(txtPort, null);
jPanel2.add(jLabel4, null);
jPanel2.add(txtCon, null);
jPanel2.add(jLabel5, null);
jPanel2.add(txtUser, null);
jPanel2.add(jLabel6, null);
jPanel2.add(ptxtPass, null);
jPanel2.add(btnClear, null);
jPanel2.add(btnConnect, null);
jPanel6.add(jLabel7, null);
jPanel6.add(txtQuery, null);
jPanel6.add(btnExecute, null);
jPanel7.add(jLabel8, null);
jPanel7.add(delPanel, null);
jPanel7.add(jPanel8, null);
jPanel8.add(chbQuotes, null);
jPanel8.add(chbHeading, null);
jPanel7.add(jPanel9, null);
jPanel9.add(rbtnOverwrite, null);
jPanel9.add(rbtnAppend, null);
jPanel7.add(btnOutput, null);
jPanel7.add(btnExit, null);
jPanel5.add(jPanel6, BorderLayout.NORTH);
jPanel5.add(jPanel7, BorderLayout.SOUTH);
contentPane.add(jPanel3, null);
contentPane.add(jPanel5, null);
fileChoice.add(rbtnOverwrite);
fileChoice.add(rbtnAppend);
//Overridden so we can exit when window is closed
protected void processWindowEvent(WindowEvent e) {
super.processWindowEvent(e);
if (e.getID() == WindowEvent.WINDOW_CLOSING) {
System.exit(0);
public static void main (String arguments[])
JFrame frame = new Readap();
WindowListener l = new WindowAdapter()
 public void windowClosing(WindowEvent e)
 System.exit(0);
frame.addWindowListener(l);
frame.pack();
frame.setVisible(true);
void chbOracle_actionPerformed(ActionEvent e) {
dbChoice=0;
chbOdbc.setSelected(false);
jLabel4.setText("Conn String");
txtCon.setText("acal");
txtCon.setEnabled(true);
txtPort.setEnabled(true);
txtHost.setEnabled(true);
txtaStatus.append("\n>>Oracle Database Selected");
void chbOdbc_actionPerformed(ActionEvent e) {
dbChoice=1;
chbOracle.setSelected(false);
jLabel4.setText("ODBC Bridge");
txtCon.setText("Access");
txtPort.setEnabled(false);
txtHost.setEnabled(false);
txtaStatus.append("\n>>MS ODBC Database Selected");
void btnConnect_actionPerformed(ActionEvent e) {
if (conStatus==0)
String url = new String();
String driver = new String();
if (dbChoice==0)
driver="oracle.jdbc.driver.OracleDriver";
url = "jdbc:oracle:thin:@"+txtHost.getText()+":"+txtPort.getText()+":"+txtCon.getText();
txtaStatus.append("\n>>Connecting to Oracle Database @ "+url+" via driver:"+driver);
else
driver = "sun.jdbc.odbc.JdbcOdbcDriver";
url = "jdbc:odbc:"+txtCon.getText();
txtaStatus.append("\n>>Connecting to MS ODBC Database @ "+url+" via driver:"+driver);
String dbStatus=mydb.openDb(url, driver, txtUser.getText(), ptxtPass.getText());
txtaStatus.append("\n>>"+dbStatus);
if (dbStatus=="Connection Successful")
btnConnect.setText("Disconnect");
conStatus=1;
else
mydb.dbClose();
txtaStatus.append("\n>>Database Connection Terminated");
btnConnect.setText("Connect");
conStatus=0;
void btnClear_actionPerformed(ActionEvent e) {
txtaStatus.setText(" ");
void rbtnComma_actionPerformed(ActionEvent e) {
delimiter=",";
void rbtnSpace_actionPerformed(ActionEvent e) {
delimiter=" ";
void btnExecute_actionPerformed(ActionEvent e) {
txtaStatus.append(mydb.runQuery(txtQuery.getText() ) );
void btnOutput_actionPerformed(ActionEvent e) {
if (chbHeading.isSelected()==true)
output=mydb.getAllColName(mydb.getColumnName())+"\n";
else
output="";
Vector mydata=mydb.getResultData();
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 for (int index = 0; index < mydata.size(); index++)
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output=output+mydata.elementAt(index);
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if (returnVal == JFileChooser.APPROVE_OPTION) {
File file = fc.getSelectedFile();}
void rbtnTab_actionPerformed(ActionEvent e) {
delimiter="\t";
void btnExit_actionPerformed(ActionEvent e) {
System.exit(0);
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What is the open File Dialog box

I am using a "File Browse..." item. With firefox a user can click on the provided Browse button or the corresponding text area to choose a file. However with IE7 the file dialog box on appears if the user clicks on the browse button.
Can someone tell me what javascript can be used to open a file dialog box? (what is called when the browse button is clicked)
Thanks.

Thanks Carl,
I thought APEX was doing some crazy javascropt stuff because I forgot about a style I had set.
Anyway, I was getting an error if an IE7 user types in a crazy string into the file dialog box and hit submit (since it is not a file). So instead of preventing it I just used a try/catch block in my custom doSubmit. If anyone else runs into this here is a little javascript to help:
(I am used a uploading image, Carl has an example of that somewhere)
<pre>
function doSubmit(r) {
if (ser_changed.length > 0) {
 if (r == "UPLOAD" || r == "SAVE_CHANGES" {
 flowSelectAll();
 $x_Value('pRequest',r)
if (r == "UPLOAD") {
try { /// this is where my fix is.
 document.wwv_flow.submit();
catch(err) {
html_HideElement('AjaxLoading');
alert('Invalid file');
} else {
document.wwv_flow.submit();
 }//save changes and stuff as request.
else {
 var ans = confirm("You are about to exit the page without saving your changes!" + '\n' + "Click cancel to return to the page.");
 if (ans) {
 flowSelectAll();
 $x_Value('pRequest',r);
 document.wwv_flow.submit();
 }//when yes!
$x('CANCEL_BUTT').disabled=false;
 }//not save changes and stuff
 }//when there were changes made.
 else {
 flowSelectAll();
 $x_Value('pRequest',r);
 document.wwv_flow.submit();
 }//where there were not changes made
 }//doSubmit
</pre>
<pre>
function html_Submit_Progress(pThis,topass){
 if(pThis.nodeName=='INPUT'){pThis.value='...Loading...'}
else{pThis.innerHTML='...Loading...'};
 html_ShowElement('AjaxLoading');
window.setTimeout('$x("wait").src = $x("wait").src', 100);
doSubmit(topass);
</pre>
Edited by: cmorris260 on Sep 19, 2008 3:30 PM
Edited by: cmorris260 on Sep 19, 2008 3:31 PM

I am trying to open CR2 files from a Cannon EOS 1DX camera in Photoshop CS6 and I have already updated the Camera Raw Plug in but Photoshop is still giving me the cannot open files dialog box? Help?

I am trying to open CR2 files from a Cannon EOS 1DX camera in Photoshop CS6 and I have already updated the Camera Raw Plug in but Photoshop is still giving me the cannot open files dialog box? Help?

Canon 1DX support was added to ACR in version 6.7, 7.1. An updated CS6 should be at level ACR 8.6. If your ACR is not at level 8.6 try using CS6 menu Help>Updates. If that does not install ACR 8.6 try downloading the ACR and DNG 8.6 converter and see if ACR 8.6 will install into your CS6.
Adobe - Adobe Camera Raw and DNG Converter : For Windows
Adobe - Adobe Camera Raw and DNG Converter : For Macintosh

Please fix: Common Open File Dialog Box to support Favorites (Follow-up: Better provisioning in the Windows client)

One more thing:
What's missing is favorites is a way to use the favorites space in the Common Open File Dialog Box.
Please obsolete or (re)develop components in Windows, so those components support any new workflows in Windows!
On example of an application where you cannot use Favorites is Adobe Photoshop. It uses the Common Open File Dialog Box in Windows (which does not support Favorites).
Comparing Finder (MacOS) with Windows Explorer - you "seem" to have the option of using favorites to pin folders.
Well, if your application calls Windows to use the Common Open File Dialog Box - it's actually NOT POSSIBLE AT ALL to navigate to the user concepts (user folders) pinned to favorites.
Again, the favorites namespace is completely unused (not provisioned) out-of-the-box. That's may be ok, however it's not fully implemented across Windows and just another example of stuff accumulating up to being unusable.
What's missing is favorites is a way to use the favorites space in the Common Open File Dialog Box.
Ref.: Better provisioning in the Windows client
https://social.technet.microsoft.com/Forums/en-US/dbb2102f-00b7-47ca-88f2-4f88cd9d3409/followup-starting-launching-and-switching-?forum=WinPreview2014Feedback#2aba34e9-6074-4750-8f66-425bdeacc705
https://social.technet.microsoft.com/Forums/en-US/168bb9f9-ab18-42e6-9f20-5e36e71f742c/merging-the-task-bar-and-the-start-screen-area?forum=WinPreview2014Feedback#168bb9f9-ab18-42e6-9f20-5e36e71f742c
https://social.technet.microsoft.com/Forums/en-US/59a5bb6a-0368-4f34-bea4-b9811ac0bf8c/dont-forget-development-of-the-start-screen-remember-virtualization-of-it-too-purpose-is-hud?forum=WinPreview2014Feedback#59a5bb6a-0368-4f34-bea4-b9811ac0bf8c
https://social.technet.microsoft.com/Forums/en-US/c10168fe-a534-44aa-a0ec-e9defc71da5f/better-provisioning-in-windows-client-remember-templates-for-the-start-screen-like-the-need-for?forum=WinPreview2014Feedback#c10168fe-a534-44aa-a0ec-e9defc71da5f

Congrats to Carmelo!
Windows Phone and Windows Store Apps Technical Guru - February 2015
Carmelo La Monica
Windows Phone 8: control Nokia Maps (Part 3)
JH: "Part 3 of the series how to work with the Nokia maps control. As the previous articles this one contains a lot of code snippets and some pictures. Good work!"
Ed Price: "A great topic, a fantastic breakdown of sections with clear descriptions, and a nice mix of code formatting and helpful images! Another stellar article from Carmelo! Great job including the link back at the end to the portal
article!"
Ed Price, Azure & Power BI Customer Program Manager (Blog,
Small Basic,
Wiki Ninjas,
Wiki)
Answer an interesting question?
Create a wiki article about it!

File Dialog Box often takes a long time to execute

Hi all
The Labview File Dialog Box Express VI sometimes takes 5 to 10 seconds to execute. On other occasions, it executes in a blink of an eye. Why is that so?
I have tried to use the older Open/Create/Replace File VI as suggested in one of the forum's posts...but it behaves exactly the same way. Another problem is the trimming of the filename, which has also been reported and has NOT YET been solved.
(By the way...Recently, I updated to LV 2012 SP2 by suggestion of the NI Update Manager, only to find out that I was not entitled to this SP (which apparently only includes bug fixes) and I will have to roll back to LV 2012. Still, in the evaluation version I can see that the bug is not fixed. Labview must have a lot of serious bugs for NI to ask for a paid bug fix, in which some bugs remain after having been reported a long time ago..well...)
What worries me now is that intermittent lag in the execution of the File Dialog (such a basic basic function of a program...). Anyone have any idea about this? The support menu said "Ask an engineer"...any of the NI engineers has any suggestion?
Regards
Helder
Attachments:
FileDialogTest.vi ‏26 KB

First of all: Thank you very much for the objective answer. I suppose that yor actually ARE a NI engineer, as I had hoped for.
lease find my comments above (helder---------------------)
helder wrote:
The Labview File Dialog Box Express VI sometimes takes 5 to 10 seconds to execute. On other occasions, it executes in a blink of an eye. Why is that so?
What worries me now is that intermittent lag in the execution of the File Dialog (such a basic basic function of a program...). Anyone have any idea about this?
The file dialog is provided by the OS, so if it is slow it is not LabVIEW's fault.
What kind of computer do you have? Is this a laptop that spins down the HD to save power? In this case it needs to wait for the HD to spin up. (You can change the windows power profile or you can spend more money and get an SSD).
Are you very low on memory?
Does your LabVIEW program waste 100% CPU in parallel doing nothing due to bad coding?
Are you pointing to a location that has millions of files?
Are you pointing to a network location?
helder:---------------------------------------
I understand that the File Dialog is provided by the OS. But I have other applications on my PC and this doesn't happen - just in Labview. Sorry! And sometimes it
doesn't happen. Every 10 times I open the File dialog Box, 5 times it takes long and 5 times it is immediate.
(I am not low on memory, my coding is not bad>-look at the VI I sent, it just contains the fragment which uses the File Dialog Box and it behaves the same way! I am pointing to the same location that the other applications point to, I am not pointing to a network location, the PC is not spinning the disk down, etc etc.)
But yes, I will try it on another PC
(There was another post on the forum on this issue, but can't seem to find it now, just find my own post )
I attach a video demo of what happens.
helder wrote:
Another problem is the trimming of the filename, which has also been reported and has NOT YET been solved.
What problem is that? Can you elaborate? There is a known bug in the windows dialog box that sometimes the pre-filled file names are shifted and not fully visible. This is a windows bug documented by Microsoft and LabVIEW has no control over it. It is not NIs job to fix OS problems.
helder:-------------------------------------------
Of course you can't fix the OS.
If it is a windows bug, we will have to live with it.
A previous post on your forum did not provide me with that information (http://forums.ni.com/t5/LabVIEW/File-dialog-trimming-the-default-name/td-p/2189874). The fact that it is a windows bug was not mentioned there.
helder wrote:
Hi all
(By the way...Recently, I updated to LV 2012 SP2 by suggestion of the NI Update Manager, only to find out that I was not entitled to this SP (which apparently only includes bug fixes) and I will have to roll back to LV 2012. Still, in the evaluation version I can see that the bug is not fixed.
Patches are included, service packs are not included. I think this is well documented. Most users are on SSP, this way you are always entitled to the newest version.
As with anything else, software has bugs. It is impossible to test a huge, complex system like LabVIEW under all scenarios. The possible number of combinations of hardware and other installed software on any particular computer probably exceeds the number of atoms in the universe. It is actually amazing how few bugs there are and how well it works. What "bug" are you talking about? Bugs are prioritized according to rules. Critical bugs are typically fixed very quickly. A cosmetic issue that only affects you and nobody else will take longer or might not even get fixed. Are you talking about a confirmed bug that could be reproduced by NI? Do you have a CAR#?
helder:----------------------------------------
I was referring to the file-name-shifting-cosmetic-bug that the October-2012 post had indicated. But if it is a Windows-bug, NI does not have any responsibility, of
course.
Regarding the bugs, of course they are unavoidable.
helder wrote:
Labview must have a lot of serious bugs for NI to ask for a paid bug fix, in which some bugs remain after having been reported a long time ago..well...)
That sentence makes no sense! Why would the number of serious bugs depend on the cost of upgrading?? You are just rambling here....
In an ideal world, NI would have an unlimited number of programmers that can work 24/7 to immediately fix any discovered bug. This would only be possible if all users are willing to pay an unlimited amount of money for the software. As I mentioned, bug fixes are free in the form of patches, and they come out regularly. Service packs include new features and are not free.
helder:---------------------------------------
"....include new features"..????
---->>From http://www.ni.com/labview/release-details/
"LabVIEW 2012 Service Pack 1 is an exclusive update to LabVIEW 2012 for NI Standard Service Program (SSP) customers. There are no new product features introduced in service pack releases; instead, these releases provide bug fixes and improved stability for LabVIEW 2012. For a list of these bug fixes, click here."
No new features, just bug fixes!"
Moreover: If it isn't free, it shouldn' have let me update if I am not a SSP costumer.
Now I have a 45 days evaluation version. After that, I have to uninstall and reinstall everything.That takes some time and effort.
If there is a more direct way of rolling back t the previous version, please let me know.
Thank you

How to create a custom file dialog box/vi (win)??

Hello,
I'd like to create a custom file dialog box to handle the reading of my tdms files. Basicly I want to extend the existing file select dialog box with a graphical preview of the data in the selected file. I know I can create all the logic for file selection by hand and use a list box to display the filelist, but I would rather prefer to somehow use the existing windows controls. So is it possible to get the windows file selector on the front panel of a vi and react to the user selection? If so, is there any example available on how to do this? Any other options? I'm using labview 8.2
thanks for your input!
klaus

Klaus,
I wouldn't know that Microsoft provides access to the controls that Explorer and file dialog consist of.
There might be a different and more powerful solution though. The
WINDOWS Explorer / file dialog have a plugin API that allows you to
associate your own application for thumbnail creation with a particular
file extension. That way, TDMS thumbnails will show in any instance of
Explorer and
File Dialog without you having to make your own dialog. Basically, you
would need to compile the VI that creates the thumbnail into a
LabVIEW-built DLL and then wrap this DLL with some C++ boilerplate code
that Microsoft provides. You might want to have a look at the bottom of
this article to get an idea of how the whole thing works:
http://msdn.microsoft.com/msdnmag/issues/0600/w2kui2/default.aspx.
Hope that helps,
Herbert

Deleting text in a file dialog box via simulated keyboard strokes

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