Identifies if the given command can be posted, using PostCommand(RevitCommandId) .

Namespace: Autodesk.Revit.UI
Assembly: RevitAPIUI (in RevitAPIUI.dll) Version: 2015.0.0.0 (2015.0.0.0)
Since: 2014

Syntax

C#
`public bool CanPostCommand( RevitCommandId commandId )`

Visual Basic
`Public Function CanPostCommand ( _ commandId As RevitCommandId _ ) As Boolean`

Visual C++
`public: bool CanPostCommand( RevitCommandId^ commandId )`

Remarks

Only members of Autodesk.Revit.UI.PostableCommand or external commands can be posted.

Exception	Condition
Autodesk.Revit.Exceptions ArgumentNullException	Thrown when commandId is a null reference ( Nothing in Visual Basic) .