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Release COM objects earlier
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| Total Hit (2932) |
If you're using a COM object through COM Interop you should be aware that the object isn't released as soon as you set it to Nothing, as it happens with VB6. Instead, the object will be released only at the first garbage collections that occurs after the object is set to Nothing or goes out of scope
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How Do I... Get Started Using Interoperability?
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| Total Hit (1632) |
The common language runtime's COM interoperability services make it possible to use existing COM objects from within managed applications and expose managed objects to existing COM applications.
Note: Managed code is code that targets the common language runtime.
In addition, the runtime's p
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How Do I...Build a .NET COM Server Callable from COM clients?
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This section explains how to build and install managed code that will be used from COM applications. The steps involved in the build process are as follows:
«LI»Write and compile the managed code.
«LI»Generate a type library for the assembly using the tlbexp.exe utility.
«LI»Install and regi
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How Do I...Pass Simple Data from .NET Code to VB6 code?
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This example demonstrates how to use .NET objects from a Visual Basic 6.0 application. The same technique can be used to create the object from any COM application, including those built with Visual C++ 6.0, VBScript, or JScript.
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How Do I...Pass an Array From .NET Code to VB6 Code?
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This example demonstrates how to use a .NET object from a Visual Basic 6.0 application. The same technique can be used to create the object from any COM application including those built with Visual C++ 6.0, VBScript or JScript.
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How Do I...Build a .NET Client That Uses a COM Server?
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This section explains how to build managed code that uses COM. The steps involved in the build process are as follows:
«LI»Obtain an assembly containing definitions of the COM types to be used.
«LI»Install the assembly in the global assembly cache. (optional)
«LI»Reference the assembly conta
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How Do I...Call COM Methods from .NET?
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This example demonstrates how to use COM object from a Visual Basic .NET or C# application.
In order to use the types defined within a COM library from managed code, you must obtain an assembly containing definitions of the COM types. Refer to the How Do I...Build a .NET Client That Uses a COM Se
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How Do I...Sink Unmanaged Events from .NET?
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This example demonstrates how to sink unmanaged events from .NET code.
In order to use the types defined within a COM library from managed code, you have to obtain an assembly containing definitions of the COM types. Refer to the How Do I...Build a .NET Client That Uses a COM Server? for specific
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How Do I...Marshal Strings Between Managed and Unmanaged Code?
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| Total Hit (861) |
This example demonstrates how to marshal strings from .NET client to COM server.
In order to use the types and methods defined within a COM library from managed code, you have to obtain an assembly containing definitions of the COM types. Refer to the How Do I...Build a .NET Client That Uses a CO
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How Do I...Call a Function Exported From an Unmanaged Library?
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This example demonstrates how to call a function exported from an unmanaged library from managed code. The MessageBox routine in User32.dll and GetSystemTime routine in Kernel32.dll are called. The same technique can be used to call any exported function in any other library.
In order to call Me
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Calling .Net Classes from Visual Basic 6
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| Total Hit (998) |
Despite all the power and features of Visual Studio.Net, lots of developers are sticking with good old Visual Basic 6 for at least some of their development projects. There's good reason for this. Tens of thousands of developers know VB6 from the inside out, and can create applications quickly and e
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