Recent questions tagged COM

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com - I am missing the Add new item Add "MFC Class From Typelib" in VS-2019

I have all MFC stuff installed foe my VS-2019 Porfessional. I miss the Add New Item "MFC Class From Tyspelib" ... version. What did I miss? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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670 views

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com - Cannot register DLL using WiX

I am trying to register a DLL using WiX. Now I know and understand that I should use heat and get it ... heat it would be greatly appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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818 views

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com - Saving AutoCAD files (.dwg) using Python

I am using win32com to automate some simple tasks in AutoCAD. It's mostly been working quite well except ... will be much appreciated! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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566 views

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com - How to pass POINT structure to ElementFromPoint method in Python?

I'm trying to use method IUIAutomation::ElementFromPoint in Python using comtypes package. There are many examples ... raises the same exception See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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486 views

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com - Memory Layout difference between nested classes and multiple inheritance in C++?

I am trying to understand how COM specifies the layout of its objects so that a client that wants to use a ... a COM object layout is specified? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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523 views

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com - Drag and drop large virtual files from C# to Windows Explorer

I have a C# WPF application with a section that serves as an FTP client, listing files on a remote ... tips/direction would be appreciated! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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660 views

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com - Return value from execScript(IHTMLWindow2)

What is the best way to get the return value from IHTMLWindow2::execScript? I found this link, http://social. ... the right way? Regards Manoj See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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441 views

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com - How to call win32 CreateMutex from .Net

I've been successfully creating a .net mutex like this: SingleIns = new Mutex(true, AppName); for a while. It works ... { form.Dispose(); } } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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678 views

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com - Create ISO image using PowerShell: how to save IStream to file?

I want to create an ISO image, so a .iso file, on Windows. This is possible to do using COM component IMAPI2FS ... save its contents to a file? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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441 views

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com - Register ActiveX exe server using WiX

I have several VB6 ActiveX server exe files which need to be registered on install before they can be used ... to harvest this information. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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440 views

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com - How to create an ActiveX control in C#?

I am not able to create a functioning ActiveX control in C#; I have tried following tutorials to do so without ... is not visible in tstcon32. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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551 views

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com - How to place a control over the task bar in windows using c#

i googled a lot and found out some info about the band object from which we can make the ad-in for the ... from band objects? Thanks in advance See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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483 views

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com - Subscribe to C# .net Event in VB6

I need to get be able to handle a .net event in VB6. So far i have it set up by making me c# ... End Sub So oHost.add_EvalReceived line is wrong See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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524 views

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com - Exe Crash At ADODB.Connection with "Class does not support Automation"

One machine having MSVBVM60.dll ver 6.0.97.82, say OLD. Other machine having MSVBVM60.dll ver 6.0.98.15, ... different to get rid of this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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385 views

1 answer

com - Should there be a difference between an empty BSTR and a NULL BSTR?

When maintaining a COM interface should an empty BSTR be treated the same way as NULL? In other words should these ... BSTR someObj->Foo(NULL); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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322 views

1 answer

com - Should there be a difference between an empty BSTR and a NULL BSTR?

When maintaining a COM interface should an empty BSTR be treated the same way as NULL? In other words should these ... BSTR someObj->Foo(NULL); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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342 views

1 answer

com - Should there be a difference between an empty BSTR and a NULL BSTR?

When maintaining a COM interface should an empty BSTR be treated the same way as NULL? In other words should these ... BSTR someObj->Foo(NULL); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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364 views

1 answer

com - Query WMI from Go

I would like to run WMI queries from Go. There are ways to call DLL functions from Go. My understanding is ... solution in the accepted answer. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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384 views

1 answer

com - Is there a tool which lists exported methods from a DLL?

As the question states - is there a good tool out there which lists methods an unmanaged DLL exports? I ... COM methods and interfaces too. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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888 views

1 answer

com interop - Marshal.GetActiveObject() throws MK_E_UNAVAILABLE exception in C#

The following vbscript code works prefectly fine: Dim App Set App = GetObject("","QuickTest.Application") App.Quit ... wrong with the C# code? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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710 views

1 answer

com - Interface inheritance in ComVisible classes in C#

Inherited property (P1) is not accessable from w/cscript. Class structure looks something like this : [ ... here something really wrong? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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486 views

1 answer

com - What could cause Vb6 run time error 430

I have a COM dll written in vb6. When I try to create a new object of a class module from this dll I ... being used when a program is running? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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359 views

1 answer

com - How can I use JScript to create a shortcut that uses "Run as Administrator"

I have a JScript script that runs using cscript.exe. It creates a shortcut on the desktop (and in the ... 't contemplate or other solutions. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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571 views

1 answer

com - Import TLB into C#

i want to import a Type Library (tlb) into C#. How do i import a .tlb into a .cs code file? Borland ... type? Type Library Importer (Tlbimp.exe) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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603 views

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com - php open excel file in browser

how to open excel file in browser , i dont want some thing like force download dialog , i want to open excel in ... like , how to do in php. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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519 views

1 answer

com - Get name of active Excel workbook from Python

I am trying to write a Python script that will access and modify the active Excel workbook using the Excel COM ... instance it was in. Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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453 views

1 answer

com - C# wrapper interface error: E_NOINTERFACE

I am trying to produce a C# wrapper for a COM object that I have (named SC_COM.dll), but am having some ... how can I better link the two? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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794 views

1 answer

com - What does "Method '~' of object '~' failed" at runtime mean?

I'm trying to run a legacy VB6 application on my desktop (it doesn't have a user interface, being a command- ... an idea what is going wrong? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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