Using RFID in VB6

Submitted by emond on
Im back again this time i will show how to use RFID Reader in VB6 Currently im developing Loadable E-Pass System for a confidential client and i want to share some of of codes regarding RFID and VB6. These is pretty straight forward i used MSCOMM (serial library in .NET) component in order to read /write buffer connected to PC's serial/usb port. This is done by using the oncomm() event in order to

How to Prevent Events to Fire More Than Once

Submitted by admin on
[inline:RemoveHandler.jpg=How to Prevent Events to Fire More Than Once]

If you are new to VB.NET most likely you encounter a problem with events like TextChanged or ValueChanged events.

In VB 6.0, change event is not fired when changing a value programmatically. However, in the .NET version this has been changed.

In order to avoid this problem you need to call a RemoveHandler Statement.

The following code is an example of this.