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				| Seeks a Sales Offer by the system number of its customer. | 
			
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							|  | VARIANT_BOOL SeekByCstSys ( enum eSeekMode eSeekMode,
 LONG lSysNumCst,
 BSTR bsBook,
 LONG lDocNum
 )
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						| Key information |  | |  | This method uses key number 2 (See SwapKey). |  |  | This is a unique key. | 
 |  |  |  | Key segment information |  | | Segment Name | Type | Order | Collation |  | pSysNumCst | LONG | Ascending | - |  | pBook | BSTR | Ascending | Case insensitive |  | pDocNum | LONG (unsigned) | Ascending | - | 
 |  |  |  | Parameters |  | eSeekMode |  | [in] A value of the 'eSeekMode' enumeration. |  | lSysNumCst |  | [in] The system number of the customer of the Sales Offer you want to seek. |  | bsBook |  | [in] The book code of the Sales Offer you want to seek. |  | lDocNum |  | [in] The document number of the Sales Offer you want to seek. |  |  |  | Return value |  | True if the record with the given properties was found, otherwise false. |  
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			| Samples | 
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							|  | C++ |  
							|  | // Process all Sales Offers for the customer with system number = 1428
 long lSeekSysNumCst = 1428;
 pSOffer->SeekByCstSys (smGreater, lSeekSysNumCst, "", 0);
 while (pSOffer->GetDBStatus () == 0 && (long)pSOffer->pSysNumCst.lVal == lSeekSysNumCst)
 {
 // Process record data
 
 pSOffer->GetNext ();
 }
 
 
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							|  | C# |  
							|  | // Process all Sales Offers for the customer with system number = 1428
 int iSeekSysNumCst = 1428;
 oSOffer.SeekByCstSys (eSeekMode.smGreater, iSeekSysNumCst, "", 0);
 while (oSOffer.GetDBStatus () == 0 && (int)oSOffer.pSysNumCst == iSeekSysNumCst)
 {
 // Process record data
 
 oSOffer.GetNext ();
 }
 
 
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							|  | VBS |  
							|  | ' Process all Sales Offers for the customer with system number = 1428
 Dim iSeekSysNumCst
 iSeekSysNumCst = 1428
 Call oSOffer.SeekByCstSys(smGreater, iSeekSysNumCst, "", 0)
 While oSOffer.GetDBStatus() = 0 And oSOffer.pSysNumCst = iSeekSysNumCst
 ' Process record data
 
 Call oSOffer.GetNext()
 Wend
 
 
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							|  | VB.NET |  
							|  | ' Process all Sales Offers for the customer with system number = 1428
 Dim iSeekSysNumCst As Integer
 iSeekSysNumCst = 1428
 oSOffer.SeekByCstSys(eSeekMode.smGreater, iSeekSysNumCst, "", 0)
 While oSOffer.GetDBStatus() = 0 And oSOffer.pSysNumCst = iSeekSysNumCst
 ' Process record data
 
 oSOffer.GetNext()
 End While
 
 
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