I have a VB6 project that I didn't create but I have to update, when I go to make the exe I get a compile error: Method or data member not found, and it points too "SCom1.FileReceive" in the code below. When I look at the Main form, the SCom1 control is a PictureBox.
This code has been working for the last 5 years but I don't know why SCom1 is a picturebox, or why I'm getting the error, is it a reference? SCom1 to me looks like a MSComm function? Let me know if anyone has any ideas, I just don't know VB enough to know how to troubleshoot this. Thanks
If SCom1.FileReceive = True Then
WriteToLog (Now() & " FileReceive was true, now false")
SCom1.FileReceive = False
End If
The machine which you have opened the code doesn't have the mscomm32.ocx file or the ocx file not registered properly.
When vb cannot reference an ocx, it'll convert the relevant control to a picture box control.
What you have to do is, close the project without saving. Then open system32 folder and check for mscomm32.ocx file. If the file is not there then you have to download that from the intenet. The register the file using regsvr32 command in command prompt.
After this you can open the vb6 project and start working.
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EDIT : Included the update in the comments to the answer, this will help other users in the future... :-)
if the method name doesn't look familiar to a known ocx file (in this case the SCom1.FileReceive), the missing component can be a custom ocx file.
So check on the working machine or in project folder whether there are any ocx file exists in the relevant name (in this case SCom.ocx).
if there is a file exists in such name, register that file using regsvr32 (if not registered), then add that to toolbox, then replace the picture box control with the relevant control (make sure the name tally).
Related
Windows 8 has a feature: it can launch an application from the search panel (on the right side of the screen). It works like following:
Developer registers his or her application following this instruction. It is a bit legacy instruction, but the project I participate in uses this way to register its settings.
At user logon Windows creates (if none exists) a special .xml file in C:\User\<UserName>\AppData\Packages\windows.immersivecontrolpanel_cw5n1h2txyewy\LocalState\Indexed\Settings\en-US with content shown below. This file has extension settingscontent-ms
As soon as user clicked on this file, the system launches the specified application (actually explorer calls for it, as I discovered by ProcMon).
Xml file content:
<?xml version="1.0" encoding="UTF-8"?>
<PCSettings>
<SearchableContent xmlns="http://schemas.microsoft.com/Search/2013/SettingContent">
<ApplicationInformation>
<AppID>windows.immersivecontrolpanel_cw5n1h2txyewy!microsoft.windows.immersivecontrolpanel</AppID>
<DeepLink>%Canonical name or application path%</DeepLink>
<Icon>%App path%,-%Resource number%</Icon>
</ApplicationInformation>
<SettingIdentity>
<PageID>%GUID as in instruction above%</PageID>
<HostID>{7E0522FC-1AC4-41CA-AFD0-3610417A9C41}</HostID>
<Condition>shcond://v1#RegkeyExists;0;Regkey;HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\ControlPanel\NameSpace\%GUID as in instruction above%</Condition>
</SettingIdentity>
<SettingInformation>
<Name>#%App path%,-%Resource number%</Name>
<Description>#%App path%,-%Resource number%</Description>
<HighKeywords>%App decription%</HighKeywords>
</SettingInformation>
</SearchableContent>
</PCSettings>
We can see node with the name HostID. Windows writes specified in code GUID to this node, but it breaks the ability of my application to work. If I try to execute my app through this "shortcut" by clicking on xml file or chosing my app in search panel, the system shows me a message: "Unspecified error".
When I manually change the HostID value to {12B1697E-D3A0-4DBC-B568-CCF64A3F934D}, it starts to wrk fine.
I looked through registry in order to find something about these two GUIDs, but I didn't find anything. Also I looked for the difference between registry values corresponding to my app and to another, but working, app and didn't find any significand differences too.
Also I tried to delete this file and login into the system under ProcMon, I caught some moments: explorer tries to open the file and fails with ERROR_FILE_NOT_FOUND, explorer creates missing file, reads registry and writes something to created file, then it closes the file. But I didn't find anything interesting in between of these messages, that can help me to solve my problem.
I found out that registry key HKEY_CLASSES_ROOT\CLSID\%App GUID%\System.ApplicationName contains exactly the same with DeepLink tag (it was the first error in my app - specified key was empty), but the proble with "wrong" HostID remains.
Does anyone know, what it is and how to make Windows to write the rigth GUID to this tag, or at least some useful info about this tag? I just can't imagine anything else to change, but I think, that I need to change something in corresponding to my app registry keys.
I found the solution: just put app's GUID (the same as in PageID) into DeepLink.
To do this, you need to write this GUID as string value to HKEY_CLASSES_ROOT\CLSID\%App GUID%\System.ApplicationName.
That's the solution. However, I haven't found the meaning of HostID tag :(
Hi every one I am trying to access a file in certain folder in my windows form app, but I keep getting the error "could not find a part of the path: C:....e.t.c".
here is my code:
string doc = Application.StartupPath + #"\filefolder\pin-card02.docx";
please what is wrong with this piece of code?
I have seen some explanations but nothing tells me how to direct my program to a certain file in a folder...
Thanks in Advance
There's probably nothing wrong with this piece of code, most likely this file is not set as content of your application and is not getting copied to the output directory, if this is part of a visual studio solution, check that pin-card02.docx has "copy to output directory" set to "Always" or "Copy if newer" in the .doc's properties, if it's not part of the solution, you may need to include it and set the property.
If this doesn't help, you'll need to provide more information on the problem.
I have used one error handler code in my all vb6 projects,
Now I have to remove that error handler code which is in all sub procedures, functions.
I have to remove it manually all the time can it be removed automatically
I approached a task similar to this one time by writing a small program that would
1) read the project's vbp file and retrieve the names of all the files in a project
and
2) would then edit each of these files and make the desired changes.
Whenever I press on the open in IE icon, I get an error in the console:
Error: NS_ERROR_FILE_NOT_FOUND: Component returned failure code: 0x80520012 (NS_ERROR_FILE_NOT_FOUND) [nsIProcess.init]
Source File: chrome://openinie/content/openinie.js
Line: 126 (This happened ever since upgrade to 16.0 and I assume it's probably security related)
I found that js file to be inside some "openinie#wittersworld.com.xpi" file (which I cleverly renamed to zip), and saw the offending line:
var iePath = openinie.getIEPath();
// create an nsILocalFile for the executable
var file = Components.classes["#mozilla.org/file/local;1"].createInstance(Components.interfaces.nsILocalFile);
file.initWithPath(iePath);
// create an nsIProcess
var process = Components.classes["#mozilla.org/process/util;1"].createInstance(Components.interfaces.nsIProcess);
process.init(file); // <-line 126
is it possible to fix it and "re-compile" it zipping and renaming?
(I assume it's something with security maybe).
can I debug this using for example an alert box to display values of variables?
is it possible to fix it and "re-compile" it zipping and renaming
Yes, you can simply replace a file in the ZIP archive, most extensions aren't signed (you can remove the META-INF directory from the XPI file if this one is). In fact, for your debugging it is better to unpack openinie#wittersworld.com.xpi into a directory named openinie#wittersworld.com in the same folder and remove the original file - this way you won't need to pack/unpack on each change. You should also start Firefox with the -purgecaches command line parameter, otherwise the file you are changing might get cached.
can I debug this using for example an alert box to display values of variables?
Yes. However, I would rather recommend Components.utils.reportError() method that will log to the Error Console (press Ctrl-Shift-J to open it) without opening modal dialogs. In this particular case I would write:
Components.utils.reportError(iePath);
This seems to point to a non-existent file meaning that the getIEPath() function is faulty.
Good luck!
Here is my scenario. I am using Quicktest Pro (VB) to create an ActiveX object from a Labview VI that I built into an executable. In the build specs of the VI I have enabled ActiveX server option (ActiveX server name: "MyLabviewProgram") and in the VI Tools>Options>VI Server: Configuration the ActiveX box is checked.
So in QTP my code is:
Set IvApp = CreateObject("MyLabviewProgram.Application")
Set Vi = IvApp.getVIReference("MyLabviewVI.vi")
Vi.Call ParamNames, ParamVals
Upon running this I get a Run Error on the first line:
ActiveX component can't create object: 'MyLabviewProgram.Application'
I am having trouble figuring out why it errors. From National Instruments website they have a step in on one of their community pages about "LabVIEW Executable Used as ActiveX Server". The step is after building the EXE, 5. Run the EXE at least once on the target to activate the .TLB file. I've run the executable but not sure what they mean by on the target.
Does anyone have a suggestion on what I need to do to get this working?
Your description sounds like you correctly created a vi .exe. "On the Target" probably means "On the Target PC". The EXE adds all COM registration entries to the Windows registry each time it is executed.
It sounds like you haven't verified the COM registration entries are present in the registry yet. That's the first debugging step.
Run regedit.exe and search for MyLabviewProgram.Application under the HKEY_CLASSES_ROOT sub-key. You should find an entry that contains a sub-key that contains a value that contains a GUID (a large hexadecimal number).
That "class ID" GUID should be referenced under the HKCR/CLSID key. That reference should contain a LocalServer32 sub-key with the default value pointing to your application's .EXE filepath with the /Automation argument appended.
It seems likely that one of these steps will fail. I can't say exactly which one without more information.