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of_setcompare
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Full name
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pfc_n_cst_tree.of_setcompare
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Access
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public
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Extend of
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integer
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Return value
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integer
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Prototype
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public function integer of_setcompare(n_cst_treenodecompare)
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public function integer of_setcompare (n_cst_treenodecompare anv_compare);//////////////////////////////////////////////////////////////////////////////
//
// Function: of_setcompare
//
// Access: public
//
// Arguments :
// anv_compare n_cst_nodecompare : the object to be used to compare two nodes
//
// Returns: integer
// 1 = success
// -1 = failure
// -2 = failure, the compare object has already been set
//
// Description:
// Allows the specification of a different comparison object
//
//////////////////////////////////////////////////////////////////////////////
//
// Revision History
//
// Version
// 6.0 Initial version
//
//////////////////////////////////////////////////////////////////////////////
//
// Copyright © 1996-1997 Sybase, Inc. and its subsidiaries. All rights reserved.
// Any distribution of the PowerBuilder Foundation Classes (PFC)
// source code by other than Sybase, Inc. and its subsidiaries is prohibited.
//
//////////////////////////////////////////////////////////////////////////////
// Validate the comparison object.
if not isvalid(anv_compare) then
return -1
end if
// Validate the comparison object.
if isvalid(inv_compare) then
// Cannot reset comparison object
return -2
end If
// Reset the comparison object.
inv_compare = anv_compare
return 1
end function
Name
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Owner
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systemfunctions.isvalid |
systemfunctions
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