![]() ![]() ExtenderProvider to the ErrorProvider component on your form, and set the ValueTarget. Then, use the "Edit Live Bindings" command, "Clone" the existing binding, and change the cloned binding as follows: Set the ArgumentsPath to ErrorMessage. ![]() Place the ErrorProvider extender (this is not a standard Microsoft component) from the toolbox items onto the Component Tray. Note: If you configure this with explicit Read or Write operations (not with Subscribe), you need to set up a binding group, assign related bindings to the same group, and have the operation invoked on a binding group. All in all, this will cause the error message from the OPC-DA item (or OPC-UA node attribute) be stored into the error text displayed by the ErrorProvider for the control. ![]() The standard ErrorProvider extender is useful for displaying OPC operation error icons, with tooltips.ĭrag the ErrorProvider extender (standard Microsoft component) from the toolbox to the form. ![]()
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