How to find the prototype for handlers

[M.]

Hi everyone,

Is there a way to know (through documentation or other methods) which is the prototype for an handler method?

For instance, if i want to use:

<ContextMenuEvents OnOpen="OnOpenSingle" Opened="OpenedSingle"></ContextMenuEvents>

I then have to define the methods "OnOpenSingle" and "OpenedSingle" in c# code... but with which parameters? (not all of such methods have zero parameters)

Where or how can i find this information? In the current documentation it is not specified and VisualStudio 2019 does not help me.

Thanks in advance for your response.

[Mohan Kumar Ramasamy]

Hi M 

 

Sorry for the inconvenience caused.  

 

We have checked your reported query. You can use the MenuEvents instead of ContextMenuEvents . Please find the below code snippet for reference. 

 

 

<div class="control-section"> 

    <div class="contextmenu-control"> 

        <div id="contextmenutarget">Right click/Touch hold to open the ContextMenu</div> 

        <SfContextMenu Target="#contextmenutarget" Items="@MenuItems"> 

            <MenuEvents OnOpen="OnOpenSingle" Opened="OpenedSingle" TValue="MenuItem"></MenuEvents> 

        </SfContextMenu> 

    </div> 

</div> 

@code{ 

 

    private void OnOpenSingle(BeforeOpenCloseMenuEventArgs<MenuItem> args) 

    { 

 

    } 

    private void OpenedSingle(OpenCloseMenuEventArgs<MenuItem> args) 

    { 

 

    } 

} 

 

For your reference, we have prepared a sample based on this, please refer below link. 

 

Link:  https://www.syncfusion.com/downloads/support/forum/158343/ze/158343-Contextmenu1844485453  

 

Please let us know, if you need any further assistance. 

 

Regards, 

Mohan kumar R