```
public interface ConversionProgressEventHandler
```

Represents signature for method that usually supplied by calling side and handles progress events.
## Methods

| Method | Description |
| --- | --- |
| [invoke(ProgressEventHandlerInfo eventInfo)](#invoke-com.aspose.email.ProgressEventHandlerInfo-) |  |
### invoke(ProgressEventHandlerInfo eventInfo) {#invoke-com.aspose.email.ProgressEventHandlerInfo-}
```
public abstract void invoke(ProgressEventHandlerInfo eventInfo)
```




**Parameters:**
| Parameter | Type | Description |
| --- | --- | --- |
| eventInfo | [ProgressEventHandlerInfo](../../com.aspose.email/progresseventhandlerinfo) |  |