ToolCommand.CanExecute Method
Locates a command binding for the command and asks if it is enabled.
Namespace: Microsoft.Windows.Design.Interaction
Assembly: Microsoft.Windows.Design.Interaction (in Microsoft.Windows.Design.Interaction.dll)
Syntax
'Declaration
Public Function CanExecute ( _
data As GestureData _
) As Boolean
public bool CanExecute(
GestureData data
)
public:
bool CanExecute(
GestureData^ data
)
member CanExecute :
data:GestureData -> bool
public function CanExecute(
data : GestureData
) : boolean
Parameters
- data
Type: Microsoft.Windows.Design.Interaction.GestureData
The gesture data that is to be passed to the command. Gesture data is required as it provides a context object from which the CanExecute method can locate the active tool.
Return Value
Type: System.Boolean
true if the command is enabled; false if it is disabled or there is no binding for it.
Exceptions
| Exception | Condition |
|---|---|
| ArgumentNullException | data is nulla null reference (Nothing in Visual Basic). |
| ArgumentException | data.Context is nulla null reference (Nothing in Visual Basic). |
.NET Framework Security
- Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.
See Also
Reference
Microsoft.Windows.Design.Interaction Namespace