DxViewer.UpdateZoomAsync(Double) Method

Specifies a zoom percentage.

Namespace: DevExpress.Blazor

Assembly: DevExpress.Blazor.v25.1.Viewer.dll

NuGet Package: DevExpress.Blazor.Viewer

Declaration

C#

public Task UpdateZoomAsync(
    double value
)

VB.NET

Public Function UpdateZoomAsync(
    value As Double
) As Task

Parameters

Name	Type	Description
value	Double	The zoom level value.

Returns

Type	Description
Task	An asynchronous operation that sets the zoom level.

Remarks

The following code sets the page zoom level to 1.5 (150%) in the Report Viewer:

await reportViewer.UpdateZoomAsync(1.5);

You can also use ZoomConstants to change the page zoom level in the Report Viewer:

@using DevExpress.Blazor.Reporting.Models

<DxReportViewer @ref="reportViewer" Report="Report" RootCssClasses="w-100 h-100" />

@code {
    DxReportViewer reportViewer;
    XtraReport Report = new TestReport();
    protected override async Task OnAfterRenderAsync(bool firstRender)
    { 
      if (firstRender)
            await reportViewer.UpdateZoomAsync(ZoomConstants.PageWidth);
        await base.OnAfterRenderAsync(firstRender);
    }
}