| Overload | Description |
|---|---|
| InvalidateViewer(RectangleF) | Invalidates the specified region of the ImageViewer, and causes a paint message to be sent to the ImageViewer. |
| InvalidateViewer(Rectangle) | Invalidates the specified region of the ImageViewer, and causes a paint message to be sent to the ImageViewer. |
| InvalidateViewer() | Invalidates the entire surface of the ImageViewer and causes the ImageViewer to be redrawn. |