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").

For OPC Data Access, 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

For OPC A&E, 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

For OPC Unified Architecture, 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

OPC Data Code Samples (in C#)

OPC Data Code Samples (in VB.NET)

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