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Code Issues Releases Activity

Corrected class example

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Martin Mueller 2022-06-25 07:40:09 -04:00
parent 36f6932538
commit a553d32570
1 changed files with 4 additions and 1 deletions
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README.md
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@ -154,6 +154,8 @@ Alternativly you may use the extended callback funtion which provides three para
<br><br> <br><br>
The below example creates a button and defines a lambda function to implicitly create an `ExtendedCallback` which then invokes a more specialized button callback handler. The example uses the `UserParameter` to hold the `this` pointer to an object instance, providing a mechanism for sending the event to a specific object without the need for a switch / map / lookup translation of the Sender Id to an object reference. The below example creates a button and defines a lambda function to implicitly create an `ExtendedCallback` which then invokes a more specialized button callback handler. The example uses the `UserParameter` to hold the `this` pointer to an object instance, providing a mechanism for sending the event to a specific object without the need for a switch / map / lookup translation of the Sender Id to an object reference.
``` ```
void YourClassName::setup()
{
ButtonElementId = ESPUI.addControl( ButtonElementId = ESPUI.addControl(
ControlType::Button, ControlType::Button,
ButtonLabel.c_str(), ButtonLabel.c_str(),
@ -168,6 +170,7 @@ ButtonElementId = ESPUI.addControl(
} }
}, },
this); // <-Third parameter for the extended callback this); // <-Third parameter for the extended callback
}
``` ```
``` ```
void YourClassName::myButtonCallback(Control* sender, int eventname) void YourClassName::myButtonCallback(Control* sender, int eventname)