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WebWindow.ControlsCreating Event

Occurs before creating controls for the WebWindow's Web Forms page.

Namespace: DevExpress.ExpressApp.Web

Assembly: DevExpress.ExpressApp.Web.v19.1.dll

Declaration

public event EventHandler ControlsCreating
Public Event ControlsCreating As EventHandler

Event Data

The ControlsCreating event handler receives an argument of the EventArgs type.

Remarks

The ControlsCreating event is raised as a result of executing the WebWindow.CreateControls method. Handle this event to access the Window's page, before its controls are created. The page is accessible via the sender parameter.

using System.Web.UI;
using DevExpress.ExpressApp.Web;
// ...
public class MyController : WindowController {
    protected override void OnActivated() {
        base.OnActivated();
        ((WebWindow)Window).ControlsCreating += ControlsCreating;
    }
    protected override void OnDeactivated() {
        ((WebWindow)Window).ControlsCreating -= ControlsCreating;
        base.OnDeactivated();
    }
    private void ControlsCreating(object sender, EventArgs e) {
        // Access the page via the sender parameter:
        string currentPageTheme = ((Page)sender).Theme;
        // ...
    }
}
See Also