variant

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How can I marshall between XLOPER and VARIANT? [closed]

Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers.[详细]

2023-01-31 17:17 分类：问答
Internal call inside a function object, (Boost::apply_visitor specific)

I am currently writing a set expression evaluator which generates set< T > and set< set< T > >, the code below is to display the result of the expression.[详细]

2023-01-30 04:41 分类：问答
How to Variant's ChangeType to float if variant having INF or NAN values?

I am having float value in Variant, Initially this variant is a bstr type. I am using VariantChangeType to change to float type. and then I am getting float value from it and then i am converting into[详细]

2023-01-29 15:31 分类：问答
How can I assign a value to a Olevariant variable which comes from a TStream?

I need to read from a Stream and put the buffer that was read in a OleVariant (VarArray) variable. var[详细]

2023-01-26 03:09 分类：问答
C++ - boost get question

Does someone know if the boost::get for the boost::variant is a performance-consuming operation or not.[详细]

2023-01-22 01:48 分类：问答
COM method call fails in C#, VB.NET, but works in Python

I\'m having trouble with a COM library I\'m trying to u开发者_StackOverflow中文版se.I get an ArgumentException when I call a particular method and pass it null.This happens to me in both a C# project[详细]

2023-01-19 07:12 分类：问答
C++ boost variant question

I know that boost::variant uses boost::mpl stuff behind it and has a mpl-compatible typedef types. Let\'s say I have a simple typedef: typedef boost::variant<bool, int> Variant;[详细]

2023-01-18 00:22 分类：问答
Old-school Pascal question about how to cast variant record function parameters properly

I am trying to create a function with a variant record-type parameter that allows inline-casting or assignment, as such:[详细]

2023-01-16 01:49 分类：问答
visitor template for boost::variant

I would like to use a boost.variant<T0,T1,T2> as a parameter to a template \'Visitor\' class which would provide visitor operators as required by the boost.variant visitor mechanism, in this cas[详细]

2023-01-14 20:01 分类：问答
How to use variant arrays in Delphi

I have two Delphi7 programs: a COM automation server (EXE) and the other program which is using the automation server.[详细]

2023-01-13 20:40 分类：问答