DxViewer.ZoomChanged Event

Fires when the Zoom property value changes.

Namespace: DevExpress.Blazor

Assembly: DevExpress.Blazor.v26.1.Viewer.dll

Declaration

C#

[Parameter]
public EventCallback<double> ZoomChanged { get; set; }

VB.NET

<Parameter>
Public Property ZoomChanged As EventCallback(Of Double)

Parameters

Type	Description
Double	The new zoom value.

Remarks

The following code snippet displays a message when users change a document’s zoom value:

@using DevExpress.XtraReports.UI
@using DXApplication17.PredefinedReports

<div><b>@ZoomInfo</b></div>

<DxReportViewer Report="Report" 
                Zoom="@Zoom" 
                ZoomChanged="@OnZoomChanged" />

@code {
    XtraReport Report = new TestReport();
    double Zoom { get; set; } = 1;
    string ZoomInfo { get; set; } = "Zoom Level is 1";


    void OnZoomChanged(double newZoomValue) {
        ZoomInfo = "Zoom level was changed from " + ((decimal)Zoom)
                         + " to " + ((decimal)newZoomValue);
        Zoom = newZoomValue;
    }
}