TIEGlobalSettings.TwainCompatibilityOptions
Declaration
property TwainCompatibilityOptions: TIETwainCompatibilityOptions;
Description
Provides customization of some Twain functionality for improved compatibility.
| Item | Description |
| ietcCropBufferedTransferImage | Sometimes the size communicated by the Twain device is bigger than the actual transfered image. Enabling this option (default), attempts to fix this by cropping the image to the size of the actually received image |
| ietcReleaseTwainResources | If enabled, ImageEn will free Twain resources when not being used |
| ietcReuseTwainWindowHandle | If enabled, the Twain dialog handle will be reused |
| ietcModelessSelectSource | If enabled the Twain source selection dialog is modeless (can lose focus). If False the selection dialog is modal |
| ietcExplicitlySetCapabilities | If enabled, the following Twain properties will be explicitly set, even if they are currently at default: AutoBright, AutoFeed, AutoDeskew, DoubleFeedDetection, AutoBorderDetection, AutomaticColorEnabled, AutoRotate, DuplexSupported, UndefinedImageSize |
| ietcExplicitAcquireFrame | If enabled, the Twain Acquisiton Frame Properties will be explicitly read and set even if AcquireFrameEnabled=False |
Default: [ ietcCropBufferedTransferImage ]
// Force release of Twain resources
IEGlobalSettings().TwainCompatibilityOptions := IEGlobalSettings().TwainCompatibilityOptions + [ ietcReleaseTwainResources ];
Compatibility Information
The behaviour up to 9.3.1 was equivalent to: [ ietcCropBufferedTransferImage, ietcReuseTwainWindowHandle ]
See Also
◼TwainDialogCentering
◼TwainLoopTimeOut
◼TwainTransferBufferSize