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Convert two dWords to a qWord

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Submitted on: 2/20/2015 12:34:00 AM
By: ULLI (from psc cd)  
Level: Beginner
User Rating: By 3 Users
Compatibility: VB 6.0
Views: 1230
 
     How to convert two 32-bit dWords to a 64-bit qWord.

 

Windows API/Global Declarations:

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'**************************************
'Windows API/Global Declarations for :Convert two dWords to a qWord
'**************************************
none, pure basic
code:
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'**************************************
' Name: Convert two dWords to a qWord
' Description:How to convert two 32-bit dWords to a 64-bit qWord.
' By: ULLI (from psc cd)
'**************************************

Option Explicit
Private Type tLoHi 'remember - we are little endian
Lo As Long
Hi As Long
End Type
Private Type tCurr
LoHi As Currency
End Type
Private Function Convert(ByVal HiWord As Long, ByVal LoWord As Long) As Variant
 'convert two 32bit dWords to a 64bit qWord
 Dim LoHi As tLoHi
 Dim Curr As tCurr
LoHi.Hi = HiWord
LoHi.Lo = LoWord
LSet Curr = LoHi
Convert = CDec(Curr.LoHi) * 10000'remove decimal point from currency
End Function
Private Sub Command1_Click()
Cls
Print "MaxPos ", Convert(&H7FFFFFFF, &HFFFFFFFF)
Print "MaxNeg ", Convert(&H80000000, 0)
Print "Plus 1 ", Convert(0, 1)
Print "Minus 1", Convert(&HFFFFFFFF, &HFFFFFFFF)
End Sub


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