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some sort like a thank you mail
but anyway
thanks for all your help
Gary
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I'm building an application to read and write formatted files on disk. I have associated the file
extension (.fod) with the application and this works fine. When I double-click on a file in, say
Windows Explorer, the application starts as it should. But I now need a way of finding the name
of the clicked file within the application so I can open it. How do I do it?
I've been searching the help systems and just not been able to find it, probably because I'm using
the wrong terms. I've tried 'parameter', 'external parameter', "%1" and a whole host of others.
Many thanks in advance for your help.
Alan Hallett
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The parameter specifier is "%1". Keep the quotes around the %1 though. This will prevent file paths with spaces in them from being broken into multiple parameters.
In your app, check into the Environment class and its CommandLine Property and GetCommandLineArgs method.
Docs at MSDN[^]
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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Dave - many many thanks. I've been looking for this solution for what seems like days - good on ya!
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RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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Hii every one
i want to ask about the Mschart dataSource, i need to make a chart to view some data from the database...i try to make a normal dataset and connects it to the chart control but i fail
so have u got any idea ????
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Hi
I know it's a small thing, but it really bugs me...
When i re-open a vb code file, all subs/functions are expanded.
I find that it is hell for the overview.
How can i make them stay closed until i open them ?
THomas
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I am using DDE for inter-process communication in between 2 processes say VBProc and VCProc. VCProc is a UNICODE and maintains all strings in UNICODE format only (it might be in any language e.g. English, Chinese etc...) My VBProc module requests for these strings/data over DDE and display those as static text.
If VCProc has a ANSI string then the mechanism works fine, but the moment string is in UNICODE I face problem at VBProc end. With further debugging I found that VBProc requests data with CF_TEXT format whereas it should do it wit CF_UNICODETEXT format.
One solution for this problem could be to use MS Forms 2.0 object library. But it doesn't seem to reliable as far as DDE for UNICODE data exchange is concerned (from experience of one of my friend and from one post in the same context on Microsoft's site). So I am not in favor of using this solution. Could anyone comment on using it? Is it a freely distributable?
Has anybody tried/used/worked on similar scenario? Does anybody have an alternate solution to this problem?
Any suggestion in this context is appreciated
Thanx in advance
-Sushil
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How to handle interupts in VB Scripting.
Details about interupts - If my VB script is running and then based upon certain even or alarm I need to interupt the VB scripting execution and take the programm flow control and perform certain predefined tasks based upon the interupt.
sushama
sushama
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What kind of event are you talking about? If you can subscribe to it using WMI, then your in luck...
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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Thanks for the suggestion. Going through the URL. Will update very soon.
sushama
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How to access all list of contacts ?
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I need to programmatically copy a file from one computer to many others and it needs to be done simultaneously. I've tried the .Net File.Copy Method but i found out it cannot copy an already open file. How do I copy an currently open file?
Thanks
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If the open file is locked in read/write mode, you will not be able to copy it until the lock has been released.
As for simultaneous copying, you'll be using System.Threading.Thread class.
Regards,
Serge (Logic Software, Easy Projects .NET site)
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if you use visual basic or visual c++ you can use api to copy or delete or move file in same pc or to another pc
and to use it by vb use this
Public Declare Function CopyFile Lib "kernel32" Alias "CopyFileA" (ByVal lpExistingFileName As String, ByVal lpNewFileName As String, ByVal bFailIfExists As Long) As Long
and in vc++ just call the fucnction
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If the file is locked by an application as ShareDenyRead or ShareDenyAll, then your screwed and have to wait for the application to release it's locks or, preferrably, closes the file.
If your going to copy this file to multiple locations simultaneously, you can do it by either P/Invoking the CopyFileA function for each destination computer, letting the O/S copy the file. Or you can create your own copy file class and launch a copy on a thread for each destination.
In either case you'll have to watch how many of these you launch at one time. If you try an launch this for, say, 25 machines at one, you'll bring your system to a halt waiting for these things to copy out. Whatever network connection you use will quicky become saturated with your copy traffic and you, most likely, won't be able to do much of anything else until the copy process is completed.
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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I am using a max 10 threads to copy this file to other pcs and the only application using this file is my application. I've tried using the API but it still won't work. I am looking for a way to copy this file similar to the way the Backup applications doing it. Any suggestions?
Thanks again.
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OK. You seem to believe that Backup programs can backup any file they want, regardless of its locked state. This is simply not true. If an application has a file locked for exclusive read and/or write, the backup application will normall skip the file. There are occasions where a locked file CAN be backed up, but these include files where there are record locks, not entire file locks, and file that are locked for write, but shared read. Some backup apps also install extensions to the file system to partially get around these limitations, but the techniques involved require low level disk access and assembling the file from the disk sectors into another file.
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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Another Question: How do use the shadow copy service in Windows 2003 from a VB.NET application? Just curious.
Thanks to all!!!
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Is there an event (or related event) triggered when you edit the contents of a cell in a bound datagrid (VB.NET). I am trying to update the total value of the columns in the last column...
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Dim objP(255) As Login 'Login is a class
'Here I want to use the class sub "SetValues"
objP(1).SetValues("Bla1", "Bla2")
'Here i want to show the class member "User"
MsgBox(objP(1).User)
But this results in this error message:
---
An unhandled exception of type 'System.NullReferenceException'
occurred in ClassApp.exe
Additional information: Object reference not set to an instance
of an object.---
I wonder if I should use something like this to make it work?
Dim objP(255) New As Login -But this doesn't work!
Thanks for help!
//Ari
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You need to instantiate every member of the array, like this
Dim i as Integer<br />
<br />
for i=lbound(objP) to ubound(objP)<br />
objP(i) = new Login<br />
next
Do you always need all the 255 Logins ? If not, I'd prefer using an ArrayList or a Collection.
dim logins as New ArrayList()<br />
<br />
logins.Add(new Login("Bla1", "Bla2"))
Regards,
Serge (Logic Software, Easy Projects .NET site)
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I have an application that I debugged initially in Windows XP, and I am now testing it on Windows 2000 Professional. There are two things that don't work correctly in Windows 2000:
1) The first time the app is opened, the splash screen doesn't close on the timer_tick event. If I close the app and re-open it, it works fine.
2)The cursor doesn't change using the syntax (from an MDI child form)
Me.Parent.Cursor = Cursors.WaitCursor
WHat do I need to do to make these features work properly in Windows 2000?
Thanks!
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Is the 2000 box runnig with the lastest Service Pack?
RageInTheMachine9532
"...a pungent, ghastly, stinky piece of cheese!" -- The Roaming Gnome
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