C errorprovider validating

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I have a C# winform project that I want to validate a form before closing.

When the user enters data in the controls which fails validation, a blinking error image is displayed on the form next to the control and the error message is displayed as a tooltip to the error image.

You can display multiple error indications on a form at the same time using the same Error Provider control.

To make your application accessible when using this component, you must provide an additional, accessible feedback mechanism. Error Provider class to notify the user of a data entry error.

Error Provider component does not provide built-in support for accessibility clients.

The string specified in the second argument in the function invocation is displayed as the tooltip when the mouse is moved over the Error indicator.3) If the control's content is not valid, pass it to the Error Provider's Set Error method along with your validation message.4) Depending on the valid state, let the form close (Dialog Result = OK) or keep the form open (Dialog Result = None). String) method is called with or without appropriate error text during a control’s E: System. The following code example shows how to use the T: System.

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