PropertyWatcher.Subject Property

PropertyWatcher Subject Property

Cognex VisionPro 9.21 SR1

Get

Gets the object whose property or sub-property is being watched.

Set

Sets the object whose property or sub-property is being watched.

Namespace: Cognex.Vision
Assembly: Cognex.Vision.Core.Net (in Cognex.Vision.Core.Net.dll) Version: 9.21.1.1

Syntax

public Object Subject { get; set; }

public Object Subject { get; set; }

Public Property Subject As Object 
	Get 
	Set

Public Property Subject As Object 
	Get 
	Set

public:
property Object^ Subject {
	Object^ get ();
	void set (Object^ value);
}

public:
property Object^ Subject {
	Object^ get ();
	void set (Object^ value);
}

Exceptions

Exception	Condition
InvalidOperationException	If the state flag of a property cannot be found OR a conversion from PropertyWatcher source to IChangedEvent type fails.
VisionException	If the source type or property name change and this function fails to get a new property meta.

Remarks

Changed Raises because this method may change the Subject, IsConnected, PropertyMeta, and Value properties. The following StateFlags may be affected: