View source for Inserting Delegate Stubs in VS2012 (CS)

{{DISPLAYTITLE:Inserting Delegate Stubs in VS2012 (C#)}}
== Introduction ==
In Visual Studio 2012, you can automatically insert delegate stubs based on their signature in C#.

== Example ==
Consider the simple example below:
<syntaxhighlight lang="csharp" line>
class SubscribeToDelegates
{
    rxCustomUI _customUI;

    public SubscribeToDelegates()
    {
        // Create a new customUI obj
        _customUI = rxCustomUI.create("my_test_ctx");

        // Create a new button
        rxButton myButton = new rxButton();

        // Create a new delegate of the correct signature
        // NOTE1: We use class rxButtonDelegates to conveniently get the desired delegate type
        // NOTE2: The delegate stub hasn't been provided at this point
        var myDel = new rxButtonDelegates.onAction(MyOnAction);

        // Subscribe to the button's onAction delegate
        myButton.onAction = _customUI.make_delegate(myDel);
            
    }
}
</syntaxhighlight>
* Note1: At this point we haven't yet provided the delegate stub, so intellisense marks ''myOnAction'' with red squiggles:
*: [[image: MyOnActionRedSquiggles.png|border|link=]]
* Note2: When clicking inside ''MyOnAction'', intellisense provides us with the option to insert the delegate stub automatically:
*: [[image: InsertDelegateStubCS.png|border|link=]]

The class now becomes:
<syntaxhighlight lang="csharp" line>
class SubscribeToDelegates
{
    rxCustomUI _customUI;

    public SubscribeToDelegates()
    {
        // Create a new customUI obj
        _customUI = rxCustomUI.create("my_test_ctx");

        // Create a new button
        rxButton myButton = new rxButton();

        // Create a new delegate of the correct signature
        // NOTE1: We use class rxButtonDelegates to conveniently get the desired delegate type
        // NOTE2: The delegate stub hasn't been provided at this point
        var myDel = new rxButtonDelegates.onAction(MyOnAction);

        // Subscribe to the button's onAction delegate
        myButton.onAction = _customUI.make_delegate(myDel);
            
    }

    private void MyOnAction(IRibbonControl control)
    {
        throw new NotImplementedException();
    }
}
</syntaxhighlight>