Protech Systems PA-3222, Руководство пользователя

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Chapter 4 Software Utilities
PA-3222 SERIES USER MANUAL Page: 4-91
Sample Code
(1) VB Declaration Method
Declare Function GetCashDrawerStatus Lib CashDrawer.dll (ByVal
num_drawer as short) As Boolean
Declare Function CashDrawerOpen Lib CashDrawer.dll (ByVal num_drawer as
short) As Boolean
(2) Call Function
Open cash drawer:
CashDrawerOpen(1)
Open cash drawer1
CashDrawerOpen(2)
Open cash drawer2
Check cash drawer status:
Dim receive_status as Boolean
Check cash drawer1 status
Receive_Status = CashDrawerOpen(&H1)
Check cash drawer2 status
Receive_Status = CashDrawerOpen(&H2)
(1) C# Declaration Method
Public class PortAccess
{
[DllImport(“CashDrawer.dll”,EntryPoint = “Initial_CashDrawer”)]
Public static extern void Initial_CashDrawer();
[DllImport(“CashDrawer.dll”,EntryPoint= “GetCashDrawerStatus”)]
Public static extern bool GetCashDrawerStatus()
[DllImport(“CashDrawer.dll”,EntryPoint = “CashDrawerOpen”)]
Public static extern bool CashDrawerOpen(short num_drawer);}
(2) Call Function
Open cash drawer1
PortAccess.CashDrawerOpen(0x01); //check cash drawer1 status
Open cash drawer2
PortAccess.CashDrawerOpen(0x02); //check cash drawer2 status
Bool bstatus;
bstatus = PortAccess.GetCashDrawerStatus(0x01);