Sending Characters Using SendMessageA?
Sep 7, 2009
I'm attempting to send characters to an inactive window for another application by using the Windows API function SendMessageA from a simple VB application, but it isn't working. When I run the code below, everything seems to be working as intended right up to the point where the API call is made. But the other app (Notepad, for testing purposes) doesn't appear to receive the characters.I receive a strange result value back from the API call that might suggest some kind of error, but I have no idea what it means.
One of the inputs to my little app is a handle value for the window that I am sending to, and I have verfied using two different apps that the handle value I am supplying is correct. I suspect that the problem may be that VB isn't treating my handle value (a long) as a "true" handle for use in the API call, but I don't know for sure if that is the problem or how to correct it if so.
P.S. - I edited this post to improve the formatting. During the interim I had made some changes to my code in an attempt to improve the results, but so far still no joy.
Imports System.Runtime.InteropServices
Imports System
Module SendCharsByHandle[code].....
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Sep 20, 2009
Im working on the Hyvar.NET project, and I've just started sandboxing browser tabs. Im using the sendmessage function of win32 to manipulate each tab, but i need to send things like Webbrowser.Navigate(URL) in the sendmessage function.
So far i have this:
<DllImport("user32.dll", SetLastError:=True, CharSet:=CharSet.Auto)> _
Public Shared Function SetParent(ByVal hWndChild As IntPtr, ByVal hWndNewParent As IntPtr) As IntPtr
End Function
[CODE]................
I somehow need to send the navigation methods etc using sendmessage....
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Mar 18, 2012
This is my first post of your forum, and I'm very excited to see what there is to learn in here :-) But first i have a problem with auto program for a java chat. I want it to select the window by it self, and send the keys of a textbox, this is what i got so far:
[Code]...
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May 27, 2012
I am trying to Send an Email with an attachment (using Gmail) but I keep getting errors like "Operation Timed out" or Failure Sending Email". It was working earlier today but I found out that i needed to add Using statement because the email was having a file open that had to be deleted after it was sent but afterwards it doesn't work.
Here's what I have (Portion of it):
Private Sub SendMailOneAttachment(ByVal un As String, ByVal pass As String, Optional ByVal smtp As String = "smtp.gmail.com")
Using oAttach As Net.Mail.Attachment = New Net.Mail.Attachment((Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData) & "\" & My.Computer.Name & "_" & fName & " .zip"))
Dim client As SmtpClient = New SmtpClient(smtp)
[Code] .....
The ports are correct I believe, no firewall up on my PC...
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Dec 21, 2011
Essentially I am trying to replicate the Windows 7 (In-Windows) activation key TextBox form. The Form where it will auto capitalize letters, remove or deny all non alphanumeric characters except dashes every 5 characters that will be auto-input.I assume this can be done with a fairly complicated replacement Regular Expression but I cannot seem to create one to fit the needs.
This is an Example of what I have right now, but it creates an infinite loop as it removes all characters including dashes, than adds a dash, which changes the text and removes the dash again.
[Code]...
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Sep 13, 2010
i have been trying to remove special characters. i am not able to remove many crlf in middile of the string.
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Aug 3, 2009
I need to create a console program that allows you to enter a string, of which is then outputted in reverse.
Sample:
Input: Diewas
Output: saweiD
Apparently I need to find out about strings and will also need to use a loop.
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Mar 4, 2010
Which is better for Sending Files/Sending Images/Msg for P2P Chat?
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Feb 23, 2011
Not sure if too many people know this, but the following line will cause an error:
GroupName.Substring(0, 3) = "jt_"
....if the length of GroupName is less than 3 characters. I always thought it would simply return whatever characters in GroupName, but no, it errors. I must be thinking of the old VB6 days.So, I now have to change the code to:
If (GroupName.Length > 2) Then
If (GroupName.Substring(0, 3) = "jt_") Then
Note that the two comparisons need to be on separate lines. If they are on the same line, such as:
If (GroupName.Length > 2) and (GroupName.Substring(0, 3) = "jt_") Then then the code will still fail as the length command is executed at the same time as the substring command- which will cause the error when the GroupName length is less than 3.Just thought that those of us not aware of this should be!
dp.SyntaxHighlighter.ClipboardSwf = '/dp.SyntaxHighlighter/Scripts/clipboard.swf'
dp.SyntaxHighlighter.HighlightAll('9844f9bfb55449e6a786fa62aaadfa20')
dp.SyntaxHighlighter.HighlightAll('f6d554fd98464bdba9159b319e51b381')
dp.SyntaxHighlighter.HighlightAll('93bf4ca63ad8447abdf084d8a9991e15')
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Aug 5, 2011
I have two textboxes. I type in one of them and the text gets copied in real time into another textbox. There is one catch. I need to replace specific character with something else.
If I enter a quote " in textbox1, it has to be replaced with " in textbox2.
I started with something like the below code, but obviously this does not work (tried different stuff - this is for demonstration only). In the example below 'a' represents " , and 'b' represents "
Private Sub TextBox1_KeyUp(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox1.KeyUp
TextBox2.Text = TextBox1.Text
[Code]....
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May 9, 2011
With the shape of really large characters such as numbers and alphabetic characters + others, is there a way to get that shape as a REGION please?Imagine a really fat snake forming the letter S or two rectangles placed together to form a large letter L or a T like the shapes in TETRIS.
1) Does anyone know of anything in VB.Net that can translate such shapes into a System. Drawing.Region or know of a project elsewhere that achieves this please?
2) While I'm on the subject, how would you SCALE UP / DOWN a System.Drawing.Region please? How would you work out the Transform Matrix required please?
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Aug 27, 2011
I'm making an application that will change position of two characters in Word.
[Code]...
Program works good, it is mixing characters good, but it doesn't write text to the file. It will write text in console, but not in file. Note: Program is working only with words that are divisible by 2, but it's not a problem. Also, it does not return any error message.
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Feb 20, 2011
I'm making a custom control suited for handling passwords. I have created a control that inherits from a text box and I have implemented a lot of things so far. But what i want to do now is create a system so that when a user types It will display his last character typed for a X amount of time. Is there a way to turn only selected characters into password characters and still be able to get the password text from the Text property ?
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Jul 13, 2010
I am tring to send e-mail used VB 2008. Below is my code. The error message I am getting is "5 Failure sending mail at System.Net.mail.client.send(MailMessage message).I have two questions. 1.) What am I doing wrong? & 2.) Is there a way the get a more description error message.
message As
New System.Net.Mail.MailMessage
Dim mySmtpsvr[code].....
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Aug 4, 2009
I know that the topic is kind of weird, but I will explain that here. I am reading text from a text box and inserting that into a listbox. I am wanting to read what the user inputs into the text box and add a character between each character they type. Here is what im wanting to do written out[code]...
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Aug 4, 2010
example. i have 2 textboxes and if there empty it says "Incorrect Information", but how do i make it that like when a person enters something into the textbox1 it can be 3 values minimum.. like it could be eather 2 letters 1 number or what ever just more than 3 values (no special characters), and on the password.. 6 values minimum (no special characters).
[Code]...
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Aug 7, 2009
So I have an ASP.Net (vb.net) application. It has a textbox and the user is pasting text from Microsoft Word into it. So things like the long dash (charcode 150) are coming through as input. Other examples would be the smart quotes or accented characters. In my app I'm encoding them in xml and passing that to the database as an xml parameter to a sql stored procedure. It gets inserted in the database just as the user entered it.
The problem is the app that reads this data doesn't like these characters. So I need to translate them into the lower ascii (7bit I think) character set. How do I do that? How do I determine what encoding they are in so I can do something like the following. And would just requesting the ASCII equivalent translate them intelligently or do I have to write some code for that?
Also maybe it might be easier to solve this problem in the web page to begin with. When you copy the selection of characters from Word it puts several formats in the clipboard. The straight text one is the one I want. Is there a way to have the html textbox get that text when the user pastes into it? Do I have to set the encoding of the web page somehow?
[Code]...
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May 3, 2012
I have a string of characters, but I would like to have a string of hexdecimal characters where the hexadecimal characters are converted by turning the original characters into integers and then those integers into hexadecimal characters. How do I do that?
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May 28, 2010
I was trying to follow a code example I came across the net for programmatically sending email:
[Code]...
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Nov 23, 2011
When I swipe a card into Word Pad, I can see the information on the card. his information is a 39 character string of letters, numbers and other characters.I would like to be able to 4 consecutive characters of the 39 as a userid.Sample string of characters:;12345678GAM123456789GAM123456789GAM12?
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Apr 13, 2011
I'm making a custom control suited for handling passwords. I have created a control that inherits from a text box and I have implemented a lot of things so far. But what i want to do now is create a system so that when a user types It will display his last character typed for a X amount of time.Is there a way to turn only selected characters into password characters and still be able to get the password text from the Text property ?
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Dec 13, 2010
I wanna type 140 characters in asp.net textbox with multiline when i type in textbox then the characters will be decreaded means if i type two characters in textbox then in label the available characters will be shown is 138..using vb.net
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Apr 13, 2010
how i would go about sending a fax in vb
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May 11, 2009
How to send sms using vb6 application?
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Sep 23, 2010
I have a GrideView bound with table,I added one hyperlinkfield as you can see the code below:
<asp:HyperLinkField NavigateUrl="~/Logout.aspx?category=Mobile&&ID=" Text ="logout"/>
As you can see that I am sending 2 QueryString with URL. I am getting both correctly as long as I am sending static data. The problem is that I want to send one of my Grideview column value through QueryString something like this i want and I tried:
<asp:HyperLinkField NavigateUrl="~/Logout.aspx?category=Mobile&&ID='<%GridView1.SelectedRow.Cells(1).Text.ToString%>'" Text ="logout"/>
I am not getting the ID value as per column value but the same Gridview code like this
"GridView1.SelectedRow.Cells(1).Text.ToString".
How should I correct this syntax so i can send my column value through URL.
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Mar 26, 2012
I am trying to send e-mails with VB.net and I have a template for the code but I don't understand a few lines.[code...]
As far as I understand, mail.From is the sender's name, and mail.to.add is the person I am sending to. What does smtpServer.Credentials do?
I deduce that SmtpServer.Credentials is the only one that requires a password so that will be the account the e-mail will be sent from. But then what is the point of mail.From? What happens if I put different e-mails in credentials and mail.From.
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May 6, 2010
sending sms to mobile using vb.net application?
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Apr 9, 2012
class code:-
Imports Microsoft.VisualBasic
Imports System.Net.Mail
Public Class SendEmail
[code]....
code inside the ctrl "button sub"
Dim objemail As New SendEmail
objemail.Mailto = txtEmail.Text
objemail.email()
LabelEmail.Text = "The email has been sent"
The specified string is not in the form required for an e-mail address, and i have tried to intilize vaild email in "mailto" field and ive removed everything in proprieties and fields?
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Jan 25, 2012
I am working on one report in vb.net.when i click on export button,an excel will be generated,allowing user to prompt for save or open.There is one more button provided for mailing a report.for that i need to attach these excel file.Is there any way to send excel automatically without saving and sending as attachment when clicking on mail button.
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Nov 1, 2009
My website has a form below each product to send an email. The problem is that the first email sent says it is sent but never arrives but after the first the emails arrives perfectly.
[code]...
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