Progressive Property (ILEADRasterDlgWeb)

Syntax	VARIANT_BOOL Progressive;
Overview	Refer to Using Imaging Common Dialogs

Remarks

Gets or sets a value that indicates whether the "Progressive" checkbox was checked in the JPEGWebTuner dialog box. Possible values:

Setting	Description
VARIANT_TRUE	The "Progressive" check box was checked. Save the JPEG image as a progressive image).
VARIANT_FALSE	The "Progressive" check box wasn’t checked. Do not save the JPEG image as a progressive image).

Progressive images are useful when transmitting images, because the first part of the file contains the full dimensions of the image. Therefore, in a paint-while-load routine, you can display the whole image, and then progressively clarify it as the rest of the file loads.