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Questions - wia

Why can't I set the WIA Scanner "Page Size" property to auto size?

I can seem to do everything else just fine with my scanner, using WIA and VBA, but when I try to set my scanner to detect the page size, I get an error message "The parameter is incorrect." ...
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SixSigmaGuy

excel

vba

scanning

wia

page-size

Votes: 0

Answers: 0

The WIA.Vector object loses the transparency of its pixels after invoking its ImageFile property

The title of this question can also be, "The alpha values in the WIA.Vector object don't work." I'm trying to render an ellipse on a transparent background using my own discovered algorithm,...
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Javad Bayat

vbscript

transparency

wia

Votes: 0

Answers: 1

Latest Answer

This can be done by using the ARGB filter to change all white pixels to transparent and saving the image as a PNG file. Unfortunately, this means iterating through every pixel, so your script will tak...
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LesFerch

Open WIA Scanner Settings Menu (C#)

I have to do a pop-up menu to manage the WIA scanner properties like Resolution, Zoom, Color, etc.. I was wondering if there is any default settings menu that I could use to set the WIA properties and...
test-img

Nuno Lima

c#

.net

winforms

wia

Votes: 0

Answers: 0

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