ProError IsInterference(ProSelection pMdlSel1, ProSelection pMdlSel2, ProBoolean & pIsInterference, double &nVolume)

{

pIsInterference = PRO_B_FALSE;

nVolume = 0;

Prohandle pModel = pro_get_current_object();

if (pModel == NULL)

return PRO_TK_GENERAL_ERROR;

Select3d pSel[2];

pSel[0] = *pMdlSel1;

pSel[1] = *pMdlSel2;

Prohandle* pSurArr = NULL;

int nSurNum = 0;

int nErr = pro_compute_interference(pSel, PROINTERF_SOLID_ONLY,  &pSurArr, &nSurNum);

if (nErr != PRODEV_NO_ERROR)

return PRO_TK_GENERAL_ERROR;

if (nSurNum > 0)

pIsInterference = PRO_B_TRUE;

if (pIsInterference == PRO_B_TRUE)

{

pro_compute_volume(pSurArr, nSurNum, &nVolume);

pro_display_interf_volume(pSurArr, nSurNum, ERROR_COLOR );

}

return PRO_TK_NO_ERROR;

}