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Structure conversion calling c routine
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Paul Durrant (VIP)
#pragma pack(1)
typedef struct _init_s
{
unsigned char ucKey[16]; // Initial authentication key
unsigned char ucName[64]; // Local platform name /
Server returned
unsigned char ucOrganization[64]; // Local organization name /
Server returned
unsigned long ulPriority; // Importance level of
session (1: low 10: high) / Granted returned
unsigned long ulVersion; // Client protocol version /
Server returned
} INIT_S, * PINIT_S;

i use

<StructLayout(LayoutKind.Sequential, pack:=1)> Structure init_s

<MarshalAs(UnmanagedType.ByValTStr, SizeConst:=16)> Public ucKey As String

<MarshalAs(UnmanagedType.ByValTStr, SizeConst:=64)> Public ucName As String

<MarshalAs(UnmanagedType.ByValTStr, SizeConst:=64)> Public ucOrganization As
String

Public usPriority As Long

Public usVersion As Long

End Structure

when serialised and passed to the c fuction it fails
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Paul Durrant (VIP)
The code is correct it was a server issue

"Paul Durrant" wrote:

[Original message clipped]
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System.Runtime.InteropServices.LayoutKind
System.Runtime.InteropServices.UnmanagedType
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