My goal is to find the fastest way to convert a bitmap in a one-dimensional string array, where black pixels have to be converted in "X" characters and every other pixel in blank characters.My present attempt is to use a code like:
[code]...
But the Cpu usage is excessive, and the elaboration time too (I have to convert one Image by second).Can someone suggest a much more fast method, maybe using some Api??
I'm studying visual basic in my course and in my book there was this example so when I tried to do it , it didn't work I did the same thing as written but I don't know what is the problem with me this is the error message apear to me
I have an array defined As string and the value stored in site is like "7E", "A1" and so on. But in order to send out this array through serial port. I need to change the the array to As Byte instead of using As String. How can I convert it?
I'm also sure it involves a for loop and I'm kicking myself for not rememberign it.
Info: Using VB Studio 2008 need to convert a string consisting of numbers ie. "1234567890" to a one dimensional int array where each caracter (digit) holds one place in the array.
I had extracted a string from web scrapping and like to convert to array for manipulation. I had been thinking that i can be done using regex.String extracted : "('1',2,'3,000')"
I was wondering if anyone knew how to convery a 2d array into a string in visual basic 2008.I have my code printing out lke so [code]My Stirng is HALLEB and i want to convert my 2d array into that string [code]I have tried to use the string to char method but its not working
I have an activex control that outputs a template object to the client, which gets serialized to a byte array. My attempts to put this byte array in a hidden field for post back to the server have given mixed reults, in that the size of the byte array decreases when sent to the server. My best guess is that the byte array is being truncated when put into a (string) hidden field.
I convert the byte array to a HEX string on the client side before passing over to the server, then converting it back on the server - HEX to byte array. If found some examples of how to do this in C#, VB.net but I haven't a clue how to accomplish this on the client - vbscript, javascript, etc,
I'm guessing something like this would get it done on the server, but how would I accomplish this on the client side?
Private Function Bytes_To_String2(ByVal bytes_Input As Byte()) As String Dim strTemp As New StringBuilder(bytes_Input.Length * 2) For Each b As Byte In bytes_Input
When I use Return Convert.ToBase64String(ms.ToArray()), I can decrypt data by first Convert.FromBase64String(stringToDecrypt) and it works fine.
But if I dont use Base64string method when returning the data and use .Encoding.ASCII.GetString(ms.ToArray) and then try to decrypt, I get "Bad data" error
I have the code below that requires me to convert a character array to string array, but I get the following error: Option Strict On disallows implicit conversions from '1-dimensional array of Char' to 'System.Collections.Generic.IEnumerable(Of String)'
Dim lst As New List(Of String) lst.AddRange(IO.Path.GetInvalidPathChars()) lst.AddRange(IO.Path.GetInvalidFileNameChars()) lst.Add("&") lst.Add("-") [Code] .....
I tried using a converter through Array.ConvertAll, but couldn't find a good example, I could use a loop, but thought there would be a better way.
I have a problem here for converting object of array to string of array in my VB.Net code. The object of array is quite long and contains 6 sets of data here.
Dim varReturnResult As Object Dim varMapData As Object Dim StrMap() As String varMapData = varReturnResult(2) StrMap = Split(varMapData, vbLf)
I encountered this error "Conversion from type 'Object()' to type 'String' is not valid." when trying to retrieve the StrMap value.
I'm trying to figure out how to convert a string inot a byte array to send as a packet over a socket. Initially it was used for serialport.write but I would like to use in Socket.BeginSend(ByVal buffer() As Byte buildpacket() Below is taking a struct (listed at bottom) as an argument and building a string using eg. Chr().
How can I convert the output of buildpacket(), eg. "yyyypyu" into a Byte(). Public Function buildpacket(ByVal packet As PacketRecord) As String Dim temppacket As String Dim checksum, i As Integer 'Build packet to Transmit temppacket = Chr(255) & Chr(255) & Chr(255) & Chr(255) & Chr(254) [Code] .....
I'm programming an application in VB.NET in which I need to take the Items from a ListBox, which are an ListBox.ObjectCollection and convert into a String array to be passed as a parameter to a Sub procedure.
I hope that I'm not just overlooking something, but I am really struggling with working with an array. To simplify my issue: Suppose you type out the values: 1 through 5 into a textbox (1 2 3 4 5). I'm looking to convert that string to an array, so that I can reverse the order and then show the new order in the textbox.
I have to set a value in the registry and it has to be in a unicode binary format. This is to change the default signature of Outlook.I have a signature called : TacoWhen I change my default signature in Outlook itself to Taco. It will be stored in the registry like this:54 00 61 00 63 00 6f 00 00 00However, when I change the value of this key programmatically like this: