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For main reference to QuickOPC examples, see the Examples document that comes with each version of QuickOPC. The majority of examples is distributed together with the product installation, and more examples are listed in the conceptual and reference documentation.

Here you will find supplementary examples that are not (yet) in the product itself, or copies of important examples that our users ask for often.

QuickOPC Code Samples From Software Toolbox

Software Toolbox, our U.S. reseller, has created multiple QuickOPC code samples (in the examples. QuickOPC is referred to as "OPC Data Client" or "OPCData.NET").

OPC Data-Classic OPC DA Code Samples (in VB.NET and C#)

The examples include:

  • Read a Tag
  • Write to Multiple Tags
  • Background Services-Read Multiple Tags
  • Browsing Groups and Branches via code
  • Browsing Servers via Code
  • Browse Tags via Code
  • Configure Settings Before reading a Tag
  • Subscribe to Items Stored in a CSV File
  • Write to a Tag
  • Read Multiple Tags
  • Get Status of OPC Server
  • Subscribing to Multiple Tags
  • Browsing Servers via Dialog
  • Server Browser over WAN
  • Subscribing to a Tag
  • Browsing Tags via Dialog

OPC Data-Classic OPC A&E Code Samples (in VB.NET and C#)

The examples include:

  • Browse for A&E Servers
  • Browse A&E Sources
  • Subscribe to A&E Events
  • Acknowledge a Condition
  • Browse for A&E Areas

OPC Data-UA Code Samples (in VB.NET and C#)

The examples include:

  • Read an Item
  • Read Multiple Items
  • Subscribe to an Item
  • Write to an Item
  • Write Multiple Items
  • Subscribe to Multiple Items
  • Read an Array Tag


Note: You can purchase our products from Software Toolbox, or directly from us.