got a problem when writing to a COMM port.
I'm using a magnetic card reader and need to write a value to the card.
I'm using a class similar to the MSCommLib class, it has the same functionality.
When I call MSCommLib.Output it says it worked fine but the value has not been inout onto the...
we using a licensed control for a magnetic strip cardreader and its worked great up and till yesterday. Now i get an error, "You do not have the license to use this control error".
Any ideas? We can't even remember where we got this control!!!!!!!
Hey guys,
Is it possible to write a custom control that has no gui?
I have a really cool idea for a sub but i wanna try keep my code "secret", but at the same time distribute the sub as it will save developers time.
Its probably the first great idea I've had in a while!!! Its going to...
I'm getting an InvalidActiveXStateException. This is the code I used.
Apparently this error is thrown when the variable MSComm2 isn't instantiated properly or initialized properly.
Any Help would be gr8 :confused:
Dim MSComm2 As New AxMSCommLib.AxMSComm
If iPortNumber <> 0 Then...
I am getting a NullReference error when trying use a Magnetic strip scanner. Where I declared the variable, i declared "as new" but to no avail :mad:
Any help would be appreciated
Jus started working at a new company and need to fix an app.
The one report is giving me a headache though cos its hopelessly too wide. Can't find any way to reduce its width!!!!
:(
PS: Can see the width Property (11936381) but its greyed out and I can't edit it!
Cannot call Close() while doing CreateHandle (RESOLVED)
I get this error 'Cannot call Close() while doing CreateHandle()' when executing a form.
I check if combo boxes have values and if they don't I close the form then this error is shown.
Does vb.Net have a string literal function like C#?
I studied C# and am now working in vb.Net and in C# you can create a string:
string s = @"One
Two
Three"
And thats how it would print it wherever. Is it possible in vb.Net?
We deployed software onto test machines without any problems except for one pc. On this pc its says Thread Error Generated at <insert any form of hex values because it changes each time>.
dotNet Framework v1.1 is installed on all pcs and so is SQL Server 2000. Does anybody have any ideas...
I'm trying retrieve the address book from a Microsoft Exchange Server (2000) for an application that we are developing, but the example in the SDK does not work properly. The Example makes use of the Outlook CDO object. I've made the neccessary references to the project but VS.Net 2003 cannot...
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