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



OpcLabs.BaseLib Assembly > OpcLabs.BaseLib.Runtime.InteropServices Namespace > ComInstantiationParameters Class : ExecutionContext Property
Indicates execution contexts in which the COM object is to be run.
Syntax
'Declaration
 
<DataMemberAttribute()>
<ValueLimitsAttribute(0, 4294967295)>
Public Property ExecutionContext As Long
'Usage
 
Dim instance As ComInstantiationParameters
Dim value As Long
 
instance.ExecutionContext = value
 
value = instance.ExecutionContext
[DataMember()]
[ValueLimits(0, 4294967295)]
public long ExecutionContext {get; set;}
[DataMember()]
[ValueLimits(0, 4294967295)]
public:
property int64 ExecutionContext {
   int64 get();
   void set (    int64 value);
}

Property Value

Corresponds to COM CLSCTX.

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.

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