DataViewBase.GetIsEditorActivationAction Event

Allows you to specify whether an action (key down, text input, or mouse left button click) activates the focused editor.

Namespace: DevExpress.Xpf.Grid

Assembly: DevExpress.Xpf.Grid.v20.1.Core.dll

Declaration

public event EventHandler<GetIsEditorActivationActionEventArgs> GetIsEditorActivationAction
Public Event GetIsEditorActivationAction As EventHandler(Of GetIsEditorActivationActionEventArgs)

Event Data

The GetIsEditorActivationAction event's data class is GetIsEditorActivationActionEventArgs. The following properties provide information specific to this event:

Property Description
ActivationAction Gets an activation action's type. Inherited from ActivationActionEventArgsBase.
Column Gets or sets a grid column, for which an event has been raised. Inherited from EditorEventArgsBase.
Handled Gets or sets a value that indicates the present state of the event handling for a routed event as it travels the route. Inherited from RoutedEventArgs.
IsActivationAction Gets or sets whether the action activates the focused cell's editor.
KeyDownEventArgs Event arguments for the KeyDown activation action. Inherited from ActivationActionEventArgsBase.
MouseLeftButtonEventArgs Event arguments for the MouseLeftButton activation action. Inherited from ActivationActionEventArgsBase.
OriginalSource Gets the original reporting source as determined by pure hit testing, before any possible Source adjustment by a parent class. Inherited from RoutedEventArgs.
RoutedEvent Gets or sets the RoutedEvent associated with this RoutedEventArgs instance. Inherited from RoutedEventArgs.
RowHandle Gets or sets the row handle, for which an event has been raised. Inherited from EditorEventArgsBase.
Source Gets or sets a reference to the object that raised the event. Inherited from RoutedEventArgs.
TemplateChild An in-place editor specified in a cell template. Inherited from ActivationActionEventArgsBase.
TextInputEventArgs Event arguments for the TextInput activation action. Inherited from ActivationActionEventArgsBase.
Value Gets the edit value stored in the editor, for which an event has been raised. Inherited from EditorEventArgsBase.

Remarks

Example

The following code sample shows how to prohibit end users from activating an editor using the mouse:

<dxg:GridControl AutoGenerateColumns="AddNew" EnableSmartColumnsGeneration="True" ItemsSource="{Binding Items}" SelectionMode="Cell">
    <dxg:GridColumn FieldName="Country"/>
    <dxg:GridColumn FieldName="City">
        <dxg:GridColumn.CellTemplate>
            <DataTemplate>
                <dxe:ListBoxEdit x:Name="PART_Editor" ItemsSource="{Binding RowData.Row.Cities}" />
            </DataTemplate>
        </dxg:GridColumn.CellTemplate>
    </dxg:GridColumn>
    <dxg:GridControl.View>
        <dxg:TableView GetIsEditorActivationAction="GetIsEditorActivationAction" />
    </dxg:GridControl.View>
</dxg:GridControl> 
private void GetIsEditorActivationAction(object sender, DevExpress.Xpf.Grid.GetIsEditorActivationActionEventArgs e) {
    if (e.ActivationAction == ActivationAction.MouseLeftButtonDown)
        e.IsActivationAction = false;
}

Process End User Actions

The GridControl provides the following events to process end user actions:

Event Description
DataViewBase.GetIsEditorActivationAction Allows you to specify whether an action (key down, text input, or mouse left button click) activates the focused editor.
DataViewBase.ProcessEditorActivationAction Allows you to make the focused editor process an activation action.
DataViewBase.GetActiveEditorNeedsKey Allows you to specify whether an active editor responds to keys that end user presses.
See Also