OPC Studio User's Guide and Reference
ExecutionContext Property (_ComInstantiationParameters)



OpcLabs.BaseLib Assembly > OpcLabs.BaseLib.Runtime.InteropServices.ComTypes Namespace > _ComInstantiationParameters Interface : ExecutionContext Property
Indicates execution contexts in which the COM object is to be run.
Syntax
'Declaration
 
Property ExecutionContext As Integer
'Usage
 
Dim instance As _ComInstantiationParameters
Dim value As Integer
 
instance.ExecutionContext = value
 
value = instance.ExecutionContext
int ExecutionContext {get; set;}
property int ExecutionContext {
   int get();
   void set (    int value);
}

Property Value

Corresponds to COM CLSCTX.

Valid values of this property are in the range from 0 to 4294967295.

The default value of this property is 23.

Exceptions
ExceptionDescription

The value of an argument is outside the allowable range of values as defined by the invoked method.

This is a usage error, i.e. it will never occur (the exception will not be thrown) in a correctly written program. Your code should not catch this exception.

Remarks

This property is used by following client implementations:

When combined with other parameters using the OpcLabs.BaseLib.Runtime.InteropServices.Extensions.ComInstantiationParametersExtension.OverrideBy method, the result is obtained by performing a bitwise AND of the values.

This member or type is for use from COM. It is not meant to be used from .NET or Python. Refer to the corresponding .NET member or type instead, if you are developing in .NET or Python.

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