KB-32839: OnTagRead event’s purpose.
Question: What is the OnTagRead event’s purpose? Solution: This is an I/O Driver’s event. It is fired on every reading performed by the Driver, regardless of which tags are being…
KB-33148: Internal Tags in red in WatchWindow.
Question: Why are some Internal Tags displayed with quality 0 and in red in WatchWindow? Solution: This occurs when the Internal Tags are linked to I/O Tags and the Driver…
KB-36193: Adicionando Pena em um E3Chart em tempo de execução.
Descrição: Como criar uma Consulta e uma Pena de um E3Chart em tempo de execução? Solução: Para isso, deve-se escrever um script usando os métodos AddQuery e AddPen. Para mais…
KB-33058: Selecting more than one OptionButton per screen.
Question: How can I enable the selection of more than one OptionButton per screen? Solution: To do so, you need to set different values in every OptionButton’s GroupName property. For…
KB-33266: Increasing a Text’s font at runtime.
Question: How can I increase the font on a Text object at runtime? Solution: You cannot edit the font of a Text object at run time. However, you can use…
KB-33048: Screen objects’ dimensions when increasing the application’s resolution.
Question: If I increase an application’s resolution, will the screen objects’ dimensions automatically increase too? Solution: No, they will not. So, you must manually increase the screen objects’ size too…
KB-31734: Using Validate event.
Question: What is the Validate event’s purpose? How can I use it? Solution: You use this event to validate the input data, allowing you to cancel the operation if the…
KB-33017: Using Value, Quality, and Timestamp properties in an XObject.
Question: How can I access the Value, Quality, and TimeStamp parameters of an XObject’s property? Solution: These parameters are only available when the created property type is I/O Tag. Example:…
KB-33202: Maximum number of users per domain.
Question: Is there a maximum number of users by domain? Solution: No, there is no such limit. Therefore, you can create as many users as you want.
KB-32128: Unformatted SetPoint.
Question: If I click on a data-type SetPoint, its formatting is lost, and random numbers are displayed (3564.5784888852, for example) instead. How can I fix this? Solution: In this case,…