QuickOPC User's Guide and Reference
RequestNullable Property (IValueControl)



OpcLabs.BaseLib Assembly > OpcLabs.BaseLib.ComponentModel Namespace > IValueControl Interface : RequestNullable Property
Requests that the interactive user of the control can set the value to null.
Syntax
'Declaration
 

Property RequestNullable As Boolean
'Usage
 

Dim instance As IValueControl
Dim value As Boolean
 
instance.RequestNullable = value
 
value = instance.RequestNullable
bool RequestNullable {get; set;}
property bool RequestNullable {
   bool get();
   void set (    bool value);
}
Requirements

Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2016, Windows Server 2022; .NET: Linux, macOS, Microsoft Windows

See Also

Reference

IValueControl Interface
IValueControl Members

 

 

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