#include "Ltdic.h"
L_BOOL LDicomDS::SetCharValue(pElement, pValue, nCount)
Sets the character value(s) of a Data Element.
Pointer to a DICOMELEMENT structure within the Data Set.
Pointer to a character or character string that contains the character value(s) to set. If you want to set multiple values in the Value Field, put all character values in this string and set nCount to the appropriate number of values.
Value that indicates the number of values to set in the Value Field. If you want to set multiple values in the Value Field, put all the character values in pValue and set nCount to the appropriate number.
Value | Meaning |
---|---|
TRUE | The character value(s) were set successfully. |
FALSE | Could not set the character value(s) of the Data Element. |
NOTE: You must allocate the memory for pValue.
If you want to set more than one value in the Value Field of the Data Element, put all the character values in pValue and set nCount to the corresponding number of entries. For example, if you wish to set three character values in the Value Field of the Data Element, put all three characters in pValue and set nCount to three.
If more than one value is stored in the Value Field of the Data Element, you must set all values at the same time.
A character has a standard size of one byte. When multiple characters are in pValue, the first byte of data is the first character, the second byte of data is the second character, etc. Therefore no delimiters are needed.
This function can be called only if the Value Representation of the Data Element is VR_OB, VR_SQ, or VR_UN. For more information about Value Representations, refer to Default Value Representation Table.
Required DLLs and Libraries
Win32, x64
This example sets the value for an element.
L_VOID SetValue(LDicomDS *pDS, pDICOMELEMENT pElement, L_VOID *pValue, L_UINT32 nCount)
{
switch (pElement->nVR)
{
case VR_OB: // Other Byte String
case VR_UN: // Unknown
pDS->SetCharValue(pElement, (L_UCHAR *)pValue, nCount);
break;
case VR_SS: // Signed Short
case VR_US: // Unsigned Short
case VR_OW: // Other Word String
pDS->SetShortValue(pElement, (L_INT16 *)pValue, nCount);
break;
case VR_SL: // Signed Long
case VR_IS: // Integer String
case VR_UL: // Unsigned Long
case VR_AT: // Attribute Tag
pDS->SetLongValue(pElement, (L_INT32 *)pValue, nCount);
break;
case VR_FL: // Floating Point Single
pDS->SetFloatValue(pElement, (L_FLOAT *)pValue, nCount);
break;
case VR_FD: // Floating Point Double
case VR_DS: // Decimal String
pDS->SetDoubleValue(pElement, (L_DOUBLE *)pValue, nCount);
break;
case VR_CS: // Code String
case VR_SH: // Short String
case VR_LO: // Long String
case VR_AE: // Application Entity
case VR_LT: // Long Text
case VR_ST: // Short Text
case VR_UI: // Unique Identifier
case VR_UT: // Unlimited Text
case VR_PN: // Person Name
pDS->SetStringValue(pElement, (L_TCHAR *)pValue, nCount, DICOM_CHARACTER_SET_DEFAULT);
break;
case VR_AS: // Age String
pDS->SetAgeValue(pElement, (pVALUEAGE)pValue, nCount);
break;
case VR_DA: // Date
pDS->SetDateValue(pElement, (pVALUEDATE)pValue, nCount);
break;
case VR_TM: // Time
pDS->SetTimeValue(pElement, (pVALUETIME)pValue, nCount);
break;
case VR_DT: // Date Time
pDS->SetDateTimeValue(pElement, (pVALUEDATETIME)pValue, nCount);
break;
}
}
L_INT LDicomDS_SetCharValueExample()
{
LDicomDS *pDS;
pDICOMELEMENT pElement;
pDS = new LDicomDS(NULL);
pDS->InitDS( CLASS_CR_IMAGE_STORAGE, 0);
pElement = pDS->FindFirstElement(NULL, TAG_IMAGE_TYPE, FALSE);
if (pElement != NULL)
{
SetValue(pDS, pElement, TEXT("ORIGINAL\0PRIMARY"), 2);
}
delete pDS;
return DICOM_SUCCESS;
}
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