L_DicomGetUserInfoCount
#include "ltdic.h"
L_LTDIC_API L_INT L_DicomGetUserInfoCount(hPDU)
HDICOMPDU hPDU; |
/* a DICOM Associate handle */ |
Returns the number of User-defined items in the specified DICOM Associate.
Parameter |
Description |
hPDU |
A DICOM Associate handle. |
Returns
The number of User-defined items in the specified DICOM Associate.
Comments
For more information about User-defined items, refer to L_DicomAddUserInfo.
Required DLLs and Libraries
LTDIC For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application |
See Also
Functions: |
L_DicomGetTypeUserInfo, L_DicomGetLengthUserInfo, L_DicomGetDataUserInfo, L_DicomSetUserInfo, L_DicomAddUserInfo, L_DicomDelUserInfo |
Topics: |
Example
#include <windowsx.h> L_INT DicomGetUserInfoCountExample(HDICOMPDU hPDU) { L_UCHAR i; L_UCHAR nType; L_UINT16 nLen; L_TCHAR szMsg[8000]; L_UCHAR *pData=NULL; L_TCHAR *pTemp=NULL; L_TCHAR szTest1[]={TEXT("Just a test\0")}; L_TCHAR szTest2[]={TEXT("a second test\0")}; L_INT nRet; /* get current user info types, lengths, and data then display them */ lstrcpy(szMsg, TEXT("Current user type, length, data:")); if(L_DicomGetUserInfoCount(hPDU) > 0) { for(i = 0; i<L_DicomGetUserInfoCount(hPDU); i++) { nType = L_DicomGetTypeUserInfo(hPDU, i); nLen = L_DicomGetLengthUserInfo(hPDU, i); pData = L_DicomGetDataUserInfo(hPDU, i); //Assuming the data is unicode text pTemp = (L_TCHAR *)GlobalAllocPtr(GMEM_MOVEABLE, nLen); if (pTemp == NULL) return ERROR_NOT_ENOUGH_MEMORY; memcpy(pTemp, pData, nLen); wsprintf(szMsg, TEXT("Type =%d\tLength=%d\nData = "), nType, nLen); lstrcat(szMsg, TEXT("\n")); lstrcat(szMsg, pTemp); GlobalFreePtr(pTemp); pTemp = NULL; } } else lstrcat(szMsg, TEXT("\nNone")); MessageBox(NULL, szMsg, TEXT("Test"), MB_OK); /* add a user info item */ lstrcpy(szMsg, TEXT("Add user info item")); nRet = L_DicomAddUserInfo(hPDU, 99, (L_UCHAR * )szTest1, (L_UINT16)lstrlen(szTest1) * sizeof(L_TCHAR)); if (nRet != DICOM_SUCCESS) return nRet; if(L_DicomGetUserInfoCount(hPDU) > 0) { for(i = 0; i<L_DicomGetUserInfoCount(hPDU); i++) { nType = L_DicomGetTypeUserInfo(hPDU, i); nLen = L_DicomGetLengthUserInfo(hPDU, i); pData = L_DicomGetDataUserInfo(hPDU, i); pTemp = (L_TCHAR *)GlobalAllocPtr(GMEM_MOVEABLE, nLen+2); if (pTemp == NULL) return ERROR_NOT_ENOUGH_MEMORY; memset(pTemp, 0, nLen +2); memcpy(pTemp, pData, nLen); lstrcat(szMsg, TEXT("\n")); wsprintf(szMsg, TEXT("Type =%d\tLength=%d\nData = "), nType, nLen); lstrcat(szMsg, pTemp); GlobalFreePtr(pTemp); pTemp = NULL; } } else lstrcat(szMsg, TEXT("\nNone")); MessageBox(NULL, szMsg, TEXT("Test"), MB_OK); /* for each user info item, change the data */ for(i = 0; i<L_DicomGetUserInfoCount(hPDU); i++) { nType = L_DicomGetTypeUserInfo(hPDU, i); nRet = L_DicomSetUserInfo(hPDU, i, nType, (L_UCHAR * )szTest2, (L_UINT16)lstrlen(szTest2) * sizeof(L_TCHAR)); if (nRet != DICOM_SUCCESS) return nRet; } lstrcpy(szMsg, TEXT("Change user data")); if(L_DicomGetUserInfoCount(hPDU) > 0) { for(i = 0; i<L_DicomGetUserInfoCount(hPDU); i++) { nType = L_DicomGetTypeUserInfo(hPDU, i); nLen = L_DicomGetLengthUserInfo(hPDU, i); pData = L_DicomGetDataUserInfo(hPDU, i); pTemp = (L_TCHAR *)GlobalAllocPtr(GMEM_MOVEABLE, nLen+2); if (pTemp == NULL) return ERROR_NOT_ENOUGH_MEMORY; memset(pTemp, 0, nLen +2); memcpy(pTemp, pData, nLen); lstrcat(szMsg, TEXT("\n")); wsprintf(szMsg, TEXT("Type =%d\tLength=%d\nData = "), nType, nLen); lstrcat(szMsg, pTemp); GlobalFreePtr(pTemp); pTemp = NULL; } } else lstrcat(szMsg, TEXT("\nNone")); MessageBox(NULL, szMsg, TEXT("Test"), MB_OK); /* delete the one we added */ L_DicomDelUserInfo(hPDU, L_DicomGetUserInfoCount(hPDU) - 1); lstrcpy(szMsg, TEXT("Delete the added user")); if(L_DicomGetUserInfoCount(hPDU) > 0) { for(i = 0; i<L_DicomGetUserInfoCount(hPDU); i++) { nType = L_DicomGetTypeUserInfo(hPDU, i); nLen = L_DicomGetLengthUserInfo(hPDU, i); pData = L_DicomGetDataUserInfo(hPDU, i); pTemp = (L_TCHAR *)GlobalAllocPtr(GMEM_MOVEABLE, nLen+2); if (pTemp == NULL) return ERROR_NOT_ENOUGH_MEMORY; memset(pTemp, 0, nLen +2); memcpy(pTemp, pData, nLen); lstrcat(szMsg, TEXT("\n")); wsprintf(szMsg, TEXT("Type =%d\tLength=%d\nData = "), nType, nLen); lstrcat(szMsg, pTemp); GlobalFreePtr(pTemp); pTemp = NULL; } } else lstrcat(szMsg, TEXT("\nNone")); MessageBox(NULL, szMsg, TEXT("Test"), MB_OK); return DICOM_SUCCESS; }