struct在 c#中如何定义

Question

struct SM_PARAM{
        char SCA[16];       
        char TPA[16];       
        char TP_PID;        
        char TP_DCS;       
        char TP_SCTS[16];   
        char TP_UD[161];    
        char index;         
} ;

Answer 1

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Answer 2

struct SM_PARAM
{
public char[] SCA;
public char[] TPA;       
public char TP_PID;        
public char TP_DCS;       
public char[] TP_SCTS;   
public char[] TP_UD;    
public char index;
}

Answer 3

SendShortMessage(char* send_number,char* send_msg,SM_PARAM  *sm_param_temp) ;
SM_PARAM该怎么初始化赋值，然后
怎样作为参数传进SendShortMessage函数呢？

Answer 4

[StructLayout(LayoutKind.Sequential)]
struct SM_PARAM
{
[MarshalAs(UnmanagedType.ByValArray,SizeConst=16)]
public char[] SCA;
[MarshalAs(UnmanagedType.ByValArray,SizeConst=16)]
public char[] TPA;
public char TP_PID;
public char TP_DCS;
[MarshalAs(UnmanagedType.ByValArray,SizeConst=16)]
public char[] TP_SCTS;
[MarshalAs(UnmanagedType.ByValArray,SizeConst=161)]
public char[] TP_UD;
public char index;
}如何调用见
ms-help://MS.VSCC.2003/MS.MSDNQTR.2003FEB.2052/cpguide/html/cpconstructssample.htm