✅ Assigning an Action to a delegate

I have an Action<> that is defined as:

using DataChangedCallbackFunc = Action<string, MyData>;

using DataChangedCallbackFunc = Action<string, MyData>;

I want to have a

delegate

delegate

in my class that can call multiple of these actions.

My initial attempt was to do:

public delegate void DataChangedDelegate(string name, MyData data);
private DataChangedDelegate _dataChangedDelegate;
public void AddDataChangedCallback(DataChangedCallbackFunc dataChangedCallbackFunc)
{
    _dataChangedDelegate += dataChangedCallbackFunc;
}

public delegate void DataChangedDelegate(string name, MyData data);
private DataChangedDelegate _dataChangedDelegate;
public void AddDataChangedCallback(DataChangedCallbackFunc dataChangedCallbackFunc)
{
    _dataChangedDelegate += dataChangedCallbackFunc;
}

However, this doesn't like it as it appears to be expecting a concrete (?) function rather than an

Action<>

Action<>

.

How can I define my delegate in a way that it can have an

Action<>

Action<>

added to it?

Google isn't helping me, as any results that include "action" and "delegate" are just pages talking about how an

Action<>

Action<>

is a type of delegate

C#•4y ago•

5 replies

Hugh

✅ Assigning an Action to a delegate

I have an Action<> that is defined as:

using DataChangedCallbackFunc = Action<string, MyData>;

using DataChangedCallbackFunc = Action<string, MyData>;

I want to have a

delegate

delegate

in my class that can call multiple of these actions.

My initial attempt was to do:

public delegate void DataChangedDelegate(string name, MyData data);
private DataChangedDelegate _dataChangedDelegate;
public void AddDataChangedCallback(DataChangedCallbackFunc dataChangedCallbackFunc)
{
    _dataChangedDelegate += dataChangedCallbackFunc;
}

public delegate void DataChangedDelegate(string name, MyData data);
private DataChangedDelegate _dataChangedDelegate;
public void AddDataChangedCallback(DataChangedCallbackFunc dataChangedCallbackFunc)
{
    _dataChangedDelegate += dataChangedCallbackFunc;
}

However, this doesn't like it as it appears to be expecting a concrete (?) function rather than an

Action<>

Action<>

.

How can I define my delegate in a way that it can have an

Action<>

Action<>

added to it?

Google isn't helping me, as any results that include "action" and "delegate" are just pages talking about how an

Action<>

Action<>

is a type of delegate

✅ Assigning an Action to a delegate

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