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dialog_wrapper.md: link Validation errors topic from UI guide

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Yann Cébron 2021-05-20 12:17:23 +02:00
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topics/user_interface_components/dialog_wrapper.md
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@ -51,6 +51,8 @@ Use `action.putValue(DialogWrapper.DEFAULT_ACTION, true)` to set the default but
### Input Validation
Please see also [Validation errors](https://jetbrains.design/intellij/principles/validation_errors/) topic in the IntelliJ Platform UI Guidelines.
To validate the data entered into the dialog, override the `doValidate()` method.
The method will be called automatically by timer.
If the currently entered data is valid, return `null`.