HybridWebView.InvokeJavaScriptAsync<TReturnType> Method
Definition
Important
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Invokes a JavaScript method named methodName and optionally passes in the parameter values specified
by paramValues by JSON-encoding each one.
public System.Threading.Tasks.Task<TReturnType?> InvokeJavaScriptAsync<TReturnType> (string methodName, System.Text.Json.Serialization.Metadata.JsonTypeInfo<TReturnType> returnTypeJsonTypeInfo, object?[]? paramValues = default, System.Text.Json.Serialization.Metadata.JsonTypeInfo?[]? paramJsonTypeInfos = default);abstract member InvokeJavaScriptAsync : string * System.Text.Json.Serialization.Metadata.JsonTypeInfo<'ReturnType> * obj[] * System.Text.Json.Serialization.Metadata.JsonTypeInfo[] -> System.Threading.Tasks.Task<'ReturnType>
override this.InvokeJavaScriptAsync : string * System.Text.Json.Serialization.Metadata.JsonTypeInfo<'ReturnType> * obj[] * System.Text.Json.Serialization.Metadata.JsonTypeInfo[] -> System.Threading.Tasks.Task<'ReturnType>Public Function InvokeJavaScriptAsync(Of TReturnType) (methodName As String, returnTypeJsonTypeInfo As JsonTypeInfo(Of TReturnType), Optional paramValues As Object() = Nothing, Optional paramJsonTypeInfos As JsonTypeInfo() = Nothing) As Task(Of TReturnType)Type Parameters
- TReturnType
The type of the return value.
Parameters
- methodName
- String
The name of the JavaScript method to invoke.
- returnTypeJsonTypeInfo
- JsonTypeInfo<TReturnType>
Metadata about deserializing the type of the return value specified by TReturnType.
- paramValues
- Object[]
Optional array of objects to be passed to the JavaScript method by JSON-encoding each one.
- paramJsonTypeInfos
- JsonTypeInfo[]
Optional array of metadata about serializing the types of the parameters specified by paramValues.
Returns
An object of type TReturnType containing the return value of the called method.
