// define a Parameter's Style
public int DefPara(int nStyle)
{
Param param = null;
if ( nStyle != Param.STYLE_BUFF
&& nStyle != Param.STYLE_INT
&& nStyle != Param.STYLE_LONG )
{
Debug.Assert(false, "style error");
return -1; // style error
}
param = new Param();
if (param == null)
{
Debug.Assert(false, "new Param object fail ...");
return -1;
}
this.Add(param);
param.m_nStyle = nStyle;
return 0;
}
// Int32
// Add a long to ParaTable
public int ParaLong(Int32 lValue)
{
Param param = new Param();
this.Add(param);
param.m_nStyle = Param.STYLE_LONG;
param.m_lValue = lValue;
return 4;
}
// Add a Buffer to ParaTable
public int ParaBuff(byte [] baBuffer,
int lLen)
{
Debug.Assert(baBuffer != null, "baBuffer参数不能为空");
Debug.Assert(lLen >= 0, "lLen参数值不能为0或负数");
Param param = new Param();
this.Add(param);
param.m_nStyle = Param.STYLE_BUFF;
param.m_lValue = lLen;
param.m_baValue = new byte [Math.Max(lLen, 4096)];
if (param.m_baValue == null)
{
Debug.Assert(false, "分配缓冲区失败");
return -1;
}
Array.Copy(baBuffer, 0, param.m_baValue, 0, lLen);
return lLen;
}
// Int32
//* Add an integer to ParaTable
public int ParaInt(Int32 nValue)
{
Param param = new Param();
if (param == null)
{
Debug.Assert(false, "new Param object fail");
return -1;
}
this.Add(param);
param.m_nStyle = Param.STYLE_INT;
param.m_lValue = nValue;
return 2;
}