Returns ChangeType associated with a change in a parameter's value

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 21.0.0.0 (21.1.1.109)

Syntax

C#
public static ChangeType GetChangeTypeParameter(
	Parameter param
)
Visual Basic
Public Shared Function GetChangeTypeParameter ( _
	param As Parameter _
) As ChangeType
Visual C++
public:
static ChangeType^ GetChangeTypeParameter(
	Parameter^ param
)

Parameters

param
Type: Autodesk.Revit.DB..::..Parameter
Parameter for the ChangeType to trigger on

Return Value

ChangeType that can be used to define a trigger for an Updater, triggering on parameter value change

Remarks

Use this change type to trigger an Updater when the value of an element's parameter changes. Note: This change type will not trigger on newly created or deleted elements.

Exceptions

ExceptionCondition
Autodesk.Revit.Exceptions..::..ArgumentNullException A non-optional argument was nullNothingnullptra null reference (Nothing in Visual Basic)

See Also