Type conversion/ costum_type[] to int[]

[time_error]

Hi,
Environment: VS2005 standard, programming app/service for WinCE 5.0

I'm trying to use the Win32 DeviceIoControl(...) from C# with P/
Invoke.
In my managed C# code the inbuffer of DeviceIoControl is defined as
int[], but the data (type of buffer) I want to use is not. Actullay is
an array of a selv-defined class:

TPhonebook[] myPonebook = new TPhonebook[100];

The error description says: cannot convert from TPhonebook[]' to
'int[]'.

In C++ it is very easy to force a type conversion, but how is this
accomplished in C#?

Regards,
Jonas

 

[Jon Skeet [C# MVP]]

Environment: VS2005 standard, programming app/service for WinCE 5.0

I'm trying to use the Win32 DeviceIoControl(...) from C# with P/
Invoke.
In my managed C# code the inbuffer of DeviceIoControl is defined as
int[], but the data (type of buffer) I want to use is not. Actullay is
an array of a selv-defined class:

TPhonebook[] myPonebook = new TPhonebook[100];

The error description says: cannot convert from TPhonebook[]' to
'int[]'.

In C++ it is very easy to force a type conversion, but how is this
accomplished in C#?

Have a look at Array.ConvertAll. Basically, you provide a converter
delegate which can convert a TPhoneBook into an int, and
Array.ConvertAll will produce a new int[] for you.

 

[Nicholas Paldino [.NET/C# MVP]]

Jonas,

In C#, you are going to have to iterate through the array of
classes/structures and assign the values you want to a new integer array
instance.

Hope this helps.