Smart Device Framework Signature Panel - Draw Signature In Full WinForms App
May 15, 2011
I'm planning on using the Smart Device Framework 2.3 to use the signature control panel in a Windows Mobile 5 application using the compact framework 3.5.
The control has the option to save the signature as either a byte array of points, or as a bitmap. Now seeing as I want to store the signature in a sql compact database, I guess the byte array is going to be better. The trouble is, I'm not sure how to render that in a full WinForms application after I've transferred it back to the desktop.
I need to show the signature on a report, so it would need to be an image I could link/embed into the report.
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Apr 16, 2009
how can i capture a signature from an Electronic Signature Pad and store it in database. is there any particular api or it can be captured just like capturing an image from a WebCam. Is it manufacturer specific?
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Jul 11, 2010
I was trying to use a GetAsyncKeyState code but each time I run the program an error occers where
[Code]....
'A call to PInvoke function 'WindowsApplication1!WindowsApplication1.Form1::GetAsyncKeyState' has unbalanced the stack. This is likely because the managed PInvoke signature does not match the unmanaged target signature. Check that the calling convention and parameters of the PInvoke signature match the target unmanaged signature.' The full code is in timer with (1) time interval
[Code]...
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Apr 8, 2011
I've tried everything here, but the Amazon Load Balancer API just will not accept my signature.
Whatever I try, I get a "403 SignatureDoesNotMatch" response. I'm probably missing something obvious, but having spent hours trying to figure out what that is, I'm at the end of my tether.
Here's my code:
Public Sub DeregisterInstanceFromLoadBalance(ByVal strServerID As String)
Dim strURL As String
strURL = "http://elasticloadbalancing.amazonaws.com/?"
[Code].....
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Nov 26, 2010
I am trying to create a signature from a private key that i have been provided and a hashed value. I am using DSA and the following code but receive the following error:
Invalid type specified. source mscorlib
The error is thrown on this line: ImportCspBlob(pk)
Private Function key() As String
Dim privatekey As String = "-----BEGIN DSA PRIVATE KEY-----" _
& "Key Data"
[Code]....
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Apr 5, 2009
for few solutions it work outs well but not for the following code. I find an error when executing the following code. I find an error :
ErrorMethod 'Public Sub test()' does not have the same signature as delegate 'Delegate Sub DataRowChangeEventHandler(sender As Object, e As System.Data.DataRowChangeEventArgs)'.C:UsersKashifDocumentsVisual Studio
[code].....
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Jun 2, 2010
Is that an option in the Edit Profile section? If so, where? For some reason, these byzantine web forum interfaces always turn me in circles.
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Apr 27, 2010
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
[code]....
I've done the code above. But after i draw a signature on the picturebox and when the mouse leave the picture box, this error "Unable to cast object of type 'System.EventArgs' to type 'System.Windows.Forms.MouseEventArgs'."
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Jan 15, 2012
I am able to detect the infected hash value, can I delete or remove this infected hash value from this file?Delete A File Signature?
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Jul 14, 2011
for the past >8 years i was doing VB / VB.Net work now I'm jumping into C# world, so far it's very easy only thing that I find difficult is the fact that the signature of every events on object are not automatically created for me.I'm used to select the object name in the left dropdown in the code view and then the event that I want in the right dropdown.is there something similar to that in C#? if yes where can i find it, I really wish I don't have to write them by hand...
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Jun 16, 2011
I try to run my Authenticode signed app on a clean Vista PC (not internet connection available ever). I have a look in Internet Explorer if the root certificate (Trustcenter) is there, and it is not. I get the message that the reference could not be resolved, and when I click file properties and have a look at the certificate, it says "The certificate for the signature could not be confirmed". Is that a normal behaviour? I mean does the computer need to have the root certificate from Trustcenter installed?
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Nov 15, 2011
I am making a tool in which I want a button to do the following job.e.g;A=(1,2,3) Signature Guide B=(1,2,4) File Signature In short I am making an antivirus, every thing is done, except "clean" button.I want that the clean button should do the following job.
read the file (B) signature and compare it with signature guide(A), if the file (B) signature is different from signature file (A) then repair the file changing its signature just like its present in signature guide..
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Dec 12, 2009
if you are a constant answerer here on msdn, and do not have a unique signature, or no signature at all, please take a little time to create one... eason ..when quoting a post of a member, if no signature available, then it would have to be followed w/ "quoted from so and so's post", this so so said this, etc.
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Sep 8, 2009
I am trying to define a function that I would like to specify a datatype as in input of the function. The only/best way I evision doing this is by making a enum with the range of datatypes the function will accept and us the enum as part of the function's signature.
example
Enum MyDataTypesString
Int32
DbNull
[Code]....
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Mar 26, 2011
all this is my 1st post in this forums My query is that i em using itextsharp to attacted the Signature(Pfx) in the PDF but at the client side its shows me a question mark in the image itself,this is how it looks[URL]..The prb is tht i don't want to show this image (Hejmadi signatures) unless the user has trusted this certificate in order to remove tht queston mark
[Code]...
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Apr 30, 2009
Ok, I have an Ambir Signature Pad, and i just want to get the signature as an image (lol just).Well, I was wondering if there is a way to 'connect' to the device via usb and treat it (the pencil) as a mouse and get the coord's when they drag.
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May 26, 2009
I am working on a project where I have a signature displayed on the screen that is drawn via code based on data that has been transmitted from another device. This is from one of the samples from MS. The signature displays on screen just fine but I need to convert this to a bmp or jpg so I can save it to disk and/or print it on a report.
Code:
PrivateSub DrawSignature(ByVal g As Graphics)
' background
g.Clear(Color.Cornsilk)
' border
g.DrawRectangle(Pens.Gray, 0, 0, pictSignature.Width - 1, pictSignature.Height - 1)
' return if don't have a signature
[Code] .....
I have tried creating a new bitmap from the image property of pictSignature but it is empty even though it has an image displayed on screen. This is the first time I have tried to work with this type of coding and am totally at a loss as to what I need to do to get a bitmap from the data.
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May 4, 2010
I need to create a windows app for tablet to get signature.VS2008 do not have any control for it.Does vs2010 have this kind of control so that user can use pen to create signature in tablet?
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Jun 29, 2010
i having trouble in linking a database which contains name ,address, etc and most importantly the signature for each individual to vb.i know that microsoft access is used in linking those database to vb, but couldnt get the signature part to be done.
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Oct 26, 2011
The compiler is telling me that these signatures are incompatiable, but they seem fine to me.[code].....
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Jun 12, 2009
I am trying to make a anti virus program, I know that any antivirus should have a file contains a database of virus signatures. How to build a database in VB.Net? I'm not asking about the way to create the database. What I want to know is how to write the virus signatures in the database? What actually a virus signature is? Is it strings used in a virus or what?
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Jul 19, 2010
Any sample code that could read the file signature and return the value of the signature so that it could be display to the user interface of the program in vb.net? Furthermore I would like to know that how is the coding to do the comparison of file signature and extension so that it could identified whether its a wrong extension or not.
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Feb 25, 2011
I have a signature box that does not allow me to save in jpeg format.I am using code:
'SigBoxCustSign.Save("C:Test2.bmp", SigBoxLib.SigBoxFileFormat.BMP)
Dim img As New Bitmap("C:Test2.bmp")
'img.Save("C:Test2.jpg", ImageFormat.Jpeg)
[code]....
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Dec 2, 2010
i want to setup default signature for outlook , when i open to send new mail, i want that my signature there is already, how to realise it in vb.net?
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Aug 2, 2011
Instead of having multiple duplicate methods i want to pass the control as well as the source.
vb
Private Sub AddRawServerData(ByVal source As Object ByVal ctrl as richtextbox) If (Me.InvokeRequired) Then Me.Invoke(New System.Threading.ParameterizedThreadStart(AddressOf AddRawServerData), source) Else
[code]....
of course this is wrong : Private Sub AddRawServerData(ByVal source As Object ByVal ctrl as richtextbox)
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Feb 2, 2012
I am using the SMTPClient in my VB.Net application to send emails. It appears it is getting an email signature from somewhere. Where does it get this signature? It looks like it is using an Outlook signature but our company no longer uses Outlook so the signature is wrong. Is there a way to remove the signature before sending the email?
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May 22, 2012
I tried the search (forum / google) before, but unfortunately I found no solution. From VB.NET I have to call a very old c-dll, the methods have signatures like this:[code]In VB I tried the method-declaration with IntPtr, FixedLengthString, Char(), Byte() and so on, but with no success. I now, that char* declarations can be handled with the Stringbuilder, but that seem not to work in this case, as the declaration is a char[256] and no pointer.So how to declare the c-method above to be used in VB.NET?
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Mar 14, 2012
useing vs 2010 i got this code
vb
Public Sub SetText6(ByVal [text] As String, ByVal textbox As TextBox)
If Me.TextBox1.InvokeRequired Then
[code].....
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Jul 20, 2011
I've been developing a vb.net client that connects to a Webservice using SOAP. This Webservice needs the SOAP message to be signed and have a timestamp.To this point all is possible, using WSE 2.0 SP3 I've able to sign the message and include the Security tag into the SOAP Header and the timestamp tag is included too, as you can see in this sample:
This is what I send
<soap:Header>
<wsa:Action>http://www.openuri.org/procesa</wsa:Action>
<wsa:MessageID>
uuid:8462973d-f108-4b27-999f-730663978d5b</wsa:MessageID>
[code]....
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Jun 25, 2009
I fully realize that what I am proposing does not follow the .NET guidelines, and, therefore, is probably a poor idea for this reason alone. However, I would like to consider this from two possible perspectives:
(1) Should I consider using this for my own development work, which is 100% for internal purposes.
(2) Is this a concept that the framework designers could consider changing or updating?
I am thinking about using an event signature that utilizes a strong typed 'sender', instead of typing it as 'object', which is the current .NET design pattern. That is, instead of using a standard event signature that looks like this:
[Code]...
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