What tools can be suggested to identify how long a group of method's are taking to complete? I have a large math calculation engine that calls multiple classes. I need to track down which ones are the highest cost of time.
View 3 RepliesThe problem I'm facing is that PrintForm has a shoddy quality while getting the printouts and PrintDocument takes way too long to get on receipt printed (Almost 5-10 Seconds!)I'm either looking for an alternative for PrintDocument or somehow make the PrintDocument run faster
Dim
printFont As
New
[code].....
I have developped a piece of software which needs to load in an XML file stored locally, I do this using the following [code]...
View 1 RepliesI have a backend database in MS access, which is updated using excel as front end. Due to network issues the record updation takes lot of time. Would it be faster if i use VB.net as the front end.
View 1 RepliesStarting a few weeks ago, compiling a project (VB.NET, .NET 2.0, VS 2010) has taken several times as long as before. In Task Manager, I noticed ResXtoResources.exe taking lots of CPU for a while. I've finally been able to get some data on this using MSBuild's 'Diagnostic' output setting, and comparing that output to what I see in a branch from a few months back. Most striking are the final lines, which give timings. Before:
Target Performance Summary:
[..]
1395 ms CoreResGen 1 calls
1930 ms CompileLicxFiles 1 calls
2135 ms GenerateApplicationManifest 1 calls
2844 ms CoreCompile 1 calls[code].....
Both projects were compiled on the same system with the same settings. We've made numerous changes, to be sure, but nothing to the order of magnitude that would justify such a change in timings (and only for this one task!). I assume resource generation is getting stuck on something — a circular reference, a missing one, etc. I have been unable, however, to find anything useful on how to trace such a problem down to what I assume is just a single resource file.Short of looking through thousands of checkins or temporarily removing some forms (and thus, their resource files) from the project, is there anything else I can do to figure out the issue? I can't seem to find individual per-resource file timings.
Findings so far:I've created a new, empty project with all the same .resx files in place.The issue is not reproducible in .NET 4.0: compiling the exact same test project takes less than a second.The issue is reproducible in .NET 2.0 as soon as I also add one of the forms from the original project; apparently, it will otherwise not compile the resources "properly".Removing individual .resx files will reduce the timings 'proportionally'; that is: I have unfortunately not found a single file that is the culprit.
I am on one asignment of convering C# to VB.net and stuck up with this problem.C# application has one class having inline two dimensional array initialized with size 168X168. I converted same class to Vb.net. Now whenever I create instance of my this VB.net class, It take almost 3 minute.
To figure out problem, I put break point on sub new() (first line of my constructor), and behaviour is realy strange because it takes 3 minutes to reach at first point of my constructor.Whenever I comment out my large size array initialization code, It works perfect. Now please note that same code is working fine in C#. It is not taking even few millisecond to initialize that class.
I have the following in my little program:A form containing a button and a combo box where each item is a "year" ex. 2009,2010,2011...
When the user selects an item from the combo box, and clicks a button, an excel spreadsheet is displayed in a datagrid.
- Depending on the item selected, a different file is opened.
Now, my problem is as follows. Every time the user press the button, it takes like 50 seconds to open the file and display it in the datagrid.
- The file range is from A1 to J393 (a lot of cells)
The procedure reads every cell from A1 to J393 and puts it in a multidimensional array. Therefore, I would like to know if there is a way to speed up this process.Another thing, lets say I selected year=2009 and press the button.I wait 50 seconds approx.Displays the spreadsheet (corresponding to the year 2009) on the datagrid.
Then
I select year=2010 and press the button.
Wait another 50 seconds approx.
Displays the spreadsheet (corresponding to the year 2010) on the datagrid.
I am writing an application for managing mp3 files. I use AXWindowsMediaPlayer1 for playing files and UltraID3 for reading and writing ID3 tags. Every time the user selects to switch to next song, the ID3 tags of the current file need to be updated. My problem is with Media Player taking a long time to release a file for access after doing a "close". Currently I need to add a 6 seconds delay between the "Close" method of the media player and the ID3 tag "Write", otherwise I get the error saying that the file is currently in use. Anything less than 6 seconds does not work...
I attached a short version of my application which focuses on the issue.
I'm writing a program to search files.The result is saved in a text file.Everything it's working fine, but when I say to look for files/folders in C:* the process takes long time and in task manager it's displayed as "Not Responding", this is not true because I see that CPU and RAM are working with this process.I've disabled in DEBUG OPTIONS the line "ContextSwitchDeadlock" just to prevent the error message "this operation require long time ... bla bla bla".Is there any way to display a progress bar or something like that that shows the program is running and it isn't "hang"?Here's my code (in red the line where the program hangs):
Code:
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim cartella, scelta, cosa As String
[code]....
I think that it's like when you type in the command prompt "tree" it doesn't hang... I know... it's not the same thing but...I'm using Visual Basic 2008 Express?
I am unable to crack this as the end user requested to show some kind of progress bar while running a long time method or an update statement. Kindly suggest me on this ASAP.
View 5 RepliesIs there a easer way of coding in stead of wrighting long long paragraphs like this in one line [code]All of this is on one line and i got lots of info to put down.."The game will begin on your 16th birthday with your mother waking you up. Today you are to go to the castle for the first time. Leave your bed and open your dresser for a Strength Seed. "
View 2 RepliesIn Visual Studio 2008 I am using :Private Declare Function BlockInput Lib "user32" (ByVal fBlock As Long) As Long To stop input from occuring during a search-replace operation.
BlockInput(True) ' do not allow input during search and destroy
Dim cursorIcon As Cursor
cursorIcon = Cursor
Cursor.Current = Cursors.WaitCursor
Then setting it to false at the end of the operation. It did not work, so I thought maybe it was because I was calling it from a child window, so I created a function in the mainwindow, and ran it like this:
FrmMain.BlockFrmMainInput()With these functions is the Main window:
[Code]...
It did not solve the problem. I thought maybe it was because I was running under the debugger, so I tried compiling and running it debugger-free, but that did not do any better. I am still getting input when I double-click the mouse on either form.
I'm trying to match up a specific group name and see if it exists for the currently logged in user using Active Directory roles. If the Group Name exists for the Current User, I want that group name to be displayed in a drop down list. Example: If current user is in BIG Group, display BIG in drop down list.Problem: All I am getting is SIDs and I'm not able to get anything to match up to the group name and nothing will show up in the drop down list.I also get the following Error:Error: Object variable or WIth block variable not set.How do I fix this?? here is the code I am using:
Private Sub GetMarketingCompanies()
' code to populate marketing company drop down list based on the current logged in users active directory group that
[code].....
Enumerate if an Active Directory group's member is user or another group
View 1 RepliesI am writing an application and I do not know how to reference a group of controls inside a group box. I will include the code I have written so far and a picture with a detailed explanation as to what I am trying to do. Feel free to comment on any discrepancies that you may notice in my code.
Code:
Public Class Form1
' The following class-level constants are used
' to calculate the price of the model
Const decCOUPE As Decimal = 18000
[code].....
I want to remove a group (include all items in this group) in ListView, but unsuccessful, the code is below, why?
ListView1.Groups("GroupName").Items.Clear()
ListView1.Groups.Remove(ListView1.Groups("GroupName"))
anyone have some quick code on how to do this?
wmi is not a option.
Consider a MyForm class that contains a shadowed implementation of Show(). It also contains a CreateForm() method, which accepts an instance of the form and calls the shadowed sub:
[Code]....
I want to divide the content in my application to groups each group has its own rectangle border with the group name located at the top border, i've seen it before and i'm not sure what is the correct name of this control, anyone knows what I'm talking about ? EDIT: Ok, I found the Groupbox Control but how do i use it? should i just drag other controls inside it or i should add controls directly into it?
View 2 RepliesI have this code I've used multiple times to add and remove users from AD groups, but when I try to use it to remove an AD group from another AD group it fails with "The server is unwilling" [code]...
View 1 RepliesI'm using visual studio 2008 and creating a Windows For Application.
I'm almost completed my little application and what I've discovered just recently is that any change I made is not taking affect.
What I mean is if I change the display name of a button or insert a msgbox popup, it doesnt make it to the build when I run it. There are no errorswarnings.
I have a long string that I need to take apart two values, and add them into another string.
View 3 Repliesim trying to get a name entry from an input box to show up in two separate places on my project, ie first and last name, but i either get nothing or the same text for both labels.[code]
View 6 RepliesI am writing an app to take ID pictures using a webcam, I need a PictureBox to display a live image of the person sitting infront of the webcam in which I then need a captured picture to desplay as soon as a Button is clicked.
I don't even know where to start.
1. How do I get the PictureBox to comunicate with the webcam?
2. I also will need to crop and resize the picture and then print it, but this we can diskus later.
I have created an xml file and i would like to now extract data from it.
Is there a function within vb.net that reads xml and takes out all the attributes with a certain name? For example to withdraw all the authors names from an xml file about books?
But like always I have a question. I need to take the data that I have stored in arrays and use it. But how do I do that? What I need is to take numbers stored in the arrays and add and subtract them and put them in the appropriate array , like this:
[Code]...
Is there a way to use ReadAllLines to read in a text file that contains some Chr(10) (linefeeds) but uses ONLY the Chr(13) (carriage return) as the true end-of-line?What I mean is, DON'T treat a Chr(10) as the EOL. ONLY treat a Chr(13) as the EOL.Obviously I could just read in the whole file as binary and then split it into lines by scanning for Chr(13), but I just wondered whether or not there's a setting in VB.NET to set the EOL character so I didn't have to do that.
View 4 Repliesi found some code to take screenshot from screen it works perfectly - changes and my vb.net - skill is pretty low ode is here:
Imports System.Runtime.InteropServices
Module Module1
<DllImport("user32.dll")> _
[code]....
I have this fingerprint scanner I'm working with. The fingerprints taken are index/stored in our imaging system and the fingerprints are put on certain documents and printed.When I scan the image in and then load it into a bitmap object, the width and height are (w:480,h:640).Now if I open this file in any image viewer and print it from there the finger print is as big as a fingerprint should be.Now when working with it in code, it's huge. I have found some resize code online, but the resulting image is horrible.Is there anyway to resize an image while taking in account the dpi and such so the image is highest quality (same as print out?).
View 2 RepliesI made this VB.NET code to take a picture of my entire screen, but instead it only takes a photo of the focused area. Why is this?
Public Function SaveScreen(ByVal theFile As String) As Boolean
Try
SendKeys.Send("{PRTSC}")[code]....