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    Question SystemIOException

    Hi Guys, I am getting an error on a program i created, the program seems to work great so i started trying to cause problems (as users will generally do), I have found i can get it to crash if i remove the removable USB drive while it is compressing data to it, below is a small program i...
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    Question How Best to organise different data?

    Hi all, I am about to create an application to playback recorded data. The data is held in zip files, each with a text file for serial data (wind speed and direction, position etc), there will be multiple PNG files for screen captures and also up to 10 WAV files for sound recording. I have...
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    Question C++ convert to VB.Net

    Hi Guys, I have been asked to create a module that receives images over a network and some saple code that works, my problem is the sample code is C++ and i have tried to understand it but with not much success. The code is only 91 lines long with line spaces (see below): #include "stdafx.h"...
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    Question DLL in Win7 Embeded and Win7 Pro

    Hi not sure if this is the correct forum thread for this, but i have created a DLL using Vb.net and VS2012 and it works great on my development PC which is Win 7 Professional. The DLL receives Packets over multicast UDP and then reassembles the data and sends acknowledgements back over the...
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    Screen Freezing

    Hi i have created a program to collect data from many sensors (video capture, audio capture and sensor data like GPS, Speed etc), the data is saved to a temoporary directory depending on the minute if the minute is odd then it would be saved to something like 'D:\Temp\Odd' and if the current...
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    Question Graphics freezing

    Hi guys, I have created a program for recording data from different sensors (data, video capture @ 1 frame every 15 seconds and audio from up to 10 mics), this then gets compressed to a local hard drive directory and a copy of the compressed file is sent to a network drive for back up. I...
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    Question Filter Form Graphic

    Hi i am creating a program to be used on a ships bridge, the problem i have is at night they have to be able to swith to night mode, i have the program dimming the display but wanted to add a red filter to the form also, i have used Photoshop to show what i want to kind of do: The Normal Form...
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    Question Find Where Code Stops

    hi all, I have been working on a project for a few months now and recently i have been having a problem where the program just stops, windows doesn't report it as not responding and the resources used by the program are at normal levels (it isn't increasing). The program basically records data...
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    Question Mirrored RAID Drive health status

    Hi guys, I have created a program where information is recorded to a drive. the drive in question will be a mirrored drive in the actual system (so if one drive goes defective the information is not lost). my question is can i get the health status from both drives in VB.NET when they are in...
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    Question File System Stuff

    Hi guys, I am working on a recording program, that records instrument data via a serial connection along with screen shots from 4 displays and mono audio from 10 positions, this is all working fine, my problem seems to be when saving and compressing the files. Currently i have two directories...
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    Question Memory Problems

    Hi guys i have a problem with a block of code in a DLL i have written, the DLL receives Serial Data (NMEA) and then logs it to a file, it also holds in a dictionary (of string and date) the sentence header and the date and time it was last received). I monitor the Task manager Thread-count...
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    Question BMP conversion

    Hi guys, I need to convert a 24bpp BMP to 8bpp does anyone have any ideas as to the best way to go around this?? Thanks Stu
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    Question Binary Images Transmitted Over a Network

    Hi guys, I am trying to work out reception of binary images over a network, the transmitting system uses UDP, does anyone have any links to useful info websites or snippets of code. Its a but vague but if anyone needs more information on the format of the headers/data blocks i can supply. I...
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    Question Error Log

    Hi all, In a program i am making i need to log errors with Time, Faulty System, Error Text and Critical level of the error, the program needs to keep a log on the hard drive for 30 days that can be looked at by the system maintainer and the last 24 hours in memory for the users to peruse the...
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    Question Custom Controls and Threads

    Hi i am having a problem with a custom control i have created, the form only has 3 labels on it Label1, Label2 and Label 3, there are PNG files in the resources that load into the background of the control depending on a warning level that is set. The problem i am getting is when i try to...
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    Question Laptop connecting to PC

    Hi all, I am creating a program to record various data inputs and save onto the internal hard drive, we are locking the pc with permissions so the user can not CTRL/ALT and DEL (it will be a console type app). We need to be able to connect a laptop to the PC via Ethernet to download the data...
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    Question Multiple instances of the Same DLL

    Hi, I have created a DLL that interfaces with a video capture/frame grabber, i have tried using the DLL multiple times within the same class is this possible?? for example: Imports MyVideoCapture Public Class Form1 Dim Capture1 As New MyVideoCapture Dim Capture2 As New...
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    Question Picturebox image without locking file?

    Hi guys, i have a picturebox on my program that will load a picture from file every 10 seconds (C:\Picture1.png), i have another program capturing a picture and saving it to the same location, my first app captures fine and saves it, and the second program loads the picture but when the first...
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    Question Deleting a Directory Error

    Hi guys, I have been having a problem deleting a directory, the code i use is: My.Computer.FileSystem.DeleteDirectory("W:\New One", FileIO.DeleteDirectoryOption.DeleteAllContents, FileIO.RecycleOption.DeletePermanently) and the intermediate window shows: i then tried...
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    Question Best Timer for the job

    I have created a program that needs to compress all the data in a directory and save it to 3 different locations, i have completed this with help from you guys and it is working pretty good, but i have found a small item i am trying to iron out. When the program starts it waits until the...
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