wia

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Detect all available scanner resolutions using WIA

How can I programmatically detect all available resolutions (in dpi) for a specified scanner using WIA 2.0?开发者_如何学CWhat about page sizes supported?Any ideas?Pseudo code:[详细]

2023-03-10 03:59 分类：问答
C# WIA Image Scanning fails with HRESULT: 0x80070050

I\'m hoping someone has come across this - I\'m trying to capture images from a document scanner us开发者_运维技巧ing WIA, however on random machines when attempting to transfer the image result - WIA[详细]

2023-03-08 09:55 分类：问答
Devices supported by Windows Portable Devices (WPD)

I\'d like to use digital cameras in my application (running on Windows, written in C++) and I came across two libraries that did that - WIA (Windows Image Acquisition) and WPD (Windows Portable Device[详细]

2023-03-06 14:12 分类：问答
Can't read WIA item timestamp object in C#

Hi all, I have a problem that I believe will end up a minor syntax problem.I hope.I am pulling data from a camera into an app using WIA 2.0 on a windows 7 machine using c#. The problem involves the ti[详细]

2023-03-06 00:42 分类：问答
Camera Capture with WIA, C# and Win 7

I try to take a picture from a webcam with WIA 2.0, C#, .net 4.0 on Windows 7. I tried many different samples, but nothing works. I always get this Exception: \"ComException was unhandled\" Exception[详细]

2023-03-01 07:00 分类：问答
WIA performance issues

I\'m using WIA 2.0 in a WPF application to grab images from a camera when a shot is taken (using the wiaEventItemCreated event).[详细]

2023-02-18 18:47 分类：问答
Take a picture from Integrated Laptop Camera using C#

I am trying to write one portion of my huge C# program that allows me to capture one picture from the integrate camera in the laptop. I have already done my research and i notice that there are 2 ways[详细]

2023-02-12 07:02 分类：问答
How to access a digital camera on .NET

We\'re interested in accessing a digital camera from a .NET application, i.e., the users makes some photos, then connects the camera to a computer and automatically the system imports the photos and m[详细]

2023-02-12 04:39 分类：问答
Check webcamera status

I need a way to check if a specific webcamera device is currently active (used by another application,开发者_如何学运维 for example Skype). Is there any method in WIA, DirectX or other API to accompli[详细]

2023-02-09 11:24 分类：问答
WIA silverlight Scanner integration

I am new to silverlight , and I am experimenting with wia scanner integration. I know usng WIA.CommonDialog , showacquireimage() I can retrieve an image from the scanner. I am trying to access the dev[详细]

2023-01-28 04:47 分类：问答