UiaPropertyChangedEventArgs structure (uiautomationcoreapi.h)
Syntax
struct UiaPropertyChangedEventArgs {
EventArgsType Type;
int EventId;
PROPERTYID PropertyId;
VARIANT OldValue;
VARIANT NewValue;
};
Members
Type
Type: EventArgsType
A value from the EventArgsType enumerated type indicating the type of event.
EventId
Type: int
The identifier of the event. For a list of event identifiers, see Event Identifiers.
PropertyId
Type: PROPERTYID
The identifier of the property that has changed. For a list of property IDs, see Property Identifiers.
OldValue
Type: VARIANT
A VARIANT containing the old value of the property.
NewValue
Type: VARIANT
A VARIANT containing the new value of the property.
Remarks
The old value might not be set if the UI Automation provider cannot do so efficiently.
Requirements
Requirement | Value |
---|---|
Minimum supported client | Windows XP [desktop apps only] |
Minimum supported server | Windows Server 2003 [desktop apps only] |
Header | uiautomationcoreapi.h |
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