BrowserFileExtensions.RequestImageFileAsync Method

Reference

Definition

Namespace:: Microsoft.AspNetCore.Components.Forms

Assembly:: Microsoft.AspNetCore.Components.Web.dll

Package:: Microsoft.AspNetCore.Components.Web v5.0.9

Package:: Microsoft.AspNetCore.Components.Web v6.0.6

Package:: Microsoft.AspNetCore.Components.Web v7.0.5

Package:: Microsoft.AspNetCore.Components.Web v8.0.0

Package:: Microsoft.AspNetCore.Components.Web v9.0.0

Source:: BrowserFileExtensions.cs

Source:: BrowserFileExtensions.cs

Source:: BrowserFileExtensions.cs

Source:: BrowserFileExtensions.cs

Source:: BrowserFileExtensions.cs

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Attempts to convert the current image file to a new one of the specified file type and maximum file dimensions.

Caution: there is no guarantee that the file will be converted, or will even be a valid image file at all, either before or after conversion. The conversion is requested within the browser before it is transferred to .NET code, so the resulting data should be treated as untrusted.

public:
[System::Runtime::CompilerServices::Extension]
 static System::Threading::Tasks::ValueTask<Microsoft::AspNetCore::Components::Forms::IBrowserFile ^> RequestImageFileAsync(Microsoft::AspNetCore::Components::Forms::IBrowserFile ^ browserFile, System::String ^ format, int maxWith, int maxHeight);

public static System.Threading.Tasks.ValueTask<Microsoft.AspNetCore.Components.Forms.IBrowserFile> RequestImageFileAsync (this Microsoft.AspNetCore.Components.Forms.IBrowserFile browserFile, string format, int maxWith, int maxHeight);

public static System.Threading.Tasks.ValueTask<Microsoft.AspNetCore.Components.Forms.IBrowserFile> RequestImageFileAsync (this Microsoft.AspNetCore.Components.Forms.IBrowserFile browserFile, string format, int maxWidth, int maxHeight);

static member RequestImageFileAsync : Microsoft.AspNetCore.Components.Forms.IBrowserFile * string * int * int -> System.Threading.Tasks.ValueTask<Microsoft.AspNetCore.Components.Forms.IBrowserFile>

static member RequestImageFileAsync : Microsoft.AspNetCore.Components.Forms.IBrowserFile * string * int * int -> System.Threading.Tasks.ValueTask<Microsoft.AspNetCore.Components.Forms.IBrowserFile>

<Extension()>
Public Function RequestImageFileAsync (browserFile As IBrowserFile, format As String, maxWith As Integer, maxHeight As Integer) As ValueTask(Of IBrowserFile)

<Extension()>
Public Function RequestImageFileAsync (browserFile As IBrowserFile, format As String, maxWidth As Integer, maxHeight As Integer) As ValueTask(Of IBrowserFile)

Parameters

browserFile: IBrowserFile

The IBrowserFile to convert to a new image file.

format: String

The new image format.

maxWithmaxWidth: Int32

The maximum image width.

maxHeight: Int32

The maximum image height

Returns

ValueTask<IBrowserFile>

A ValueTask representing the completion of the operation.

Remarks

The image will be scaled to fit the specified dimensions while preserving the original aspect ratio.

Applies to

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