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How to use SoyalComm.dll in VB2005/VB6.0?
2021-07-02
No. S00901004-EN

Serial NO : S00901004-EN

Date of Editing :  2010-01-29

Questions : How to use SoyalComm.dll in VB2005/VB6.0?

Problem Solving :

1. Put “SoyalComm.dll” into the same path with your executable programming file.

The structure of Private Declare Function nameDLL file namepassing parameters return data value :

Private Declare Function name Lib "DLL file name" (ByVal passing parameters name As passing parameters type) As return data value

For example:

Private Declare Function IsPortAvailable Lib "SoyalComm.dll" (ByVal portNo As Integer) As Boolean

2. The result of declaring the function:

Text1.Text = " CommPort " & TxtPortNo.Text & " is " & IsPortAvailable(TxtPortNo.Text)

Refer to the example : EX_SoyalComm.dll.rar

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