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'Declare variable Dim dteResults As Date 'Get the current date and time dteResults = Now MessageBox.Show("Modified: " & dteResults.ToString("dd / MM / yyyy"), "Date Demo")

Hello everyone, I am writing a program which communicates with a device(Energy Meter) via com port of my computer. I am using a RS232/RS485 converter. Because the device that I want to communicate with only supports RS485 communication media. I have two different brand of converters 1) Moxa...

When I use ffListView Class nothing can be read from listview. I mean I added 30 rows to the listview but nothing can be read on the listview. I checked items.count property and it says count=30. Instead of this I changed the code which was post with the code below...

The problem with my code is listview.items.clear() I have created a form that uses ListView. How do I clear the contents of the listview so that I can update the data? If I use clear keyword this causes strange behaviour I mentioned before.

the link of the thread http://www.vbforums.com/showthread.php?t=342255

Dear ousoonerjoe , I applied your suggestion on my code, but unfortunately it didn't work. On the web I found same thread, they said DoubleBuffered solved this issue, but I don't know how to apply it on my code.

Hi, I am using Listview control on my project. I add items to the listview control cyclically. I mean I fill the listview with values and then after a time period I refill the listview with the new values. I do it with the code below. But everytime I refill listview it flickers. For example I...

When I put a breakpoint at Do While and wait for a second, everthing works fine. I think I need a wait function to wait on that position for a while. Do While (InputBuffer = Nothing) Application.DoEvents() Loop

Hi, I am using System.IO.Ports.SerialPort to communicate with a device. I sent a command to the device then it sends reply to this command. I get the reply from device using DataReceived event of the serialport object. But reply comes with two parts (not everytime but sometimes it comes with...

Hi, I have a variable named x and it has a value in hexadecimal format but type of x is string. Dim x as String x="AF" I want to convert this string (actually hex) to binary equivalent. Like this x="10101111" is there any function in .Net to do this convertion? Thanks in advance.

Yes, ETG100 is a device from Schneider Electric. I did the cable again , complied standard color coding and it is working now. So, when I use pairs the cable start working properly. Thanks for help

Link lights at both ends are lit, but I used Straight Ethernet Cable. Should I have used Crossover cable? By the way I didn't care color codes. You said: If you do not use pairs, 'link' can work, it is DC, but AC-like data may fail. What is DC and AC? Thanks...

Hi! I have a device (named ETG100) which has an Ethernet port and it is connected to my PC through a Ethernet switch. When I ping the IP address of the ETG100, ETG100 relies. So everything is ok. But if I put my ETG100 to a different place where almost 30 m far from Ethernet switch and use...

If you have a look, these are not same. The result of thread222-1456934: String - Float Conversion is number , but for this one the result must be consist of numbers as well as variable(z)

Hi! I have a string which consists of a numbers and a variable(z). Like this, “2*(z^(-1))*3*(z^(-1))” The result must be as follows, “6*(z^(-2))” Is there any way to do this in vb. Thanks in advice

Hi! I have a string(a) which consists of a number(5) and a variable(z). I replace z with 2 using replace function. and I want to get 7 as result(x). Is there any function to get right result. Dim a As String Dim x As Long a = "(z + 5)" a = Replace(a, "z", "2") x = Val(a) Thanks..

Hi! I need to connect a remote computer using web, because in this way i will be able to connect to the network of this remote computer. In this network there are some devices which has an ethernet port and a program in them.When i accomplish to connect to this remote computer i will be able to...

Hi For a project I am working on,I need use a specific font file.I copied this font file to windows fonts folder using this code. FSys.CopyFile App.Path & "\FUTRFW.TTF", "C:\WINDOWS\Fonts\", False But when I open my project I see my text is on default font, not on the font I copied. When I...

Use double data type Double - 8 bytes -1.79769313486231570E+308 to -4.94065645841246544E-324 (negative values) 4.94065645841246544E-324 to 1.79769313486231570E+308 (positive values)

Hi I am trying read data from serialport. The data comes correctly to my Buffer variable,but in that code (TextBox2.Text = Buffer) vb gives an error. error is:Cross-thread operation not valid: Control 'TextBox2' accessed from a thread other than the thread it was created on. How can I get rid...