在C#应用程序中将.uuuu-comobj-WIA转换为字节[]
我的C#应用程序中有以下代码。我希望它使用WIA将扫描文档捕获到byte[]变量中,但我无法将在C#应用程序中将.uuuu-comobj-WIA转换为字节[],c#,byte,workflow-foundation,scanning,wia,C#,Byte,Workflow Foundation,Scanning,Wia,我的C#应用程序中有以下代码。我希望它使用WIA将扫描文档捕获到byte[]变量中,但我无法将\uuu-comobject转换为byte[] private void btnScan_Click(object sender, EventArgs e) { try { var deviceManager = new DeviceManager(); DeviceInfo
\uuu-comobject
转换为byte[]
private void btnScan_Click(object sender, EventArgs e)
{
try
{
var deviceManager = new DeviceManager();
DeviceInfo AvailableScanner = null;
for (int i = 1; i <= deviceManager.DeviceInfos.Count; i++) // Loop Through the get List Of Devices.
{
if (deviceManager.DeviceInfos[i].Type != WiaDeviceType.ScannerDeviceType) // Skip device If it is not a scanner
{
continue;
}
AvailableScanner = deviceManager.DeviceInfos[i];
break;
}
var device = AvailableScanner.Connect(); //Connect to the available scanner.
var ScanerItem = device.Items[1]; // select the scanner.
var imgFile = ScanerItem.Transfer(FormatID.wiaFormatJPEG); //Retrive an image in Jpg format and store it into a variable.
TypeConverter obj = TypeDescriptor.GetConverter(imgFile.GetType());
byte[] bt = (byte[])obj.ConvertTo(imgFile, typeof(byte[]));
MemoryStream ms = new MemoryStream(bt);
pictureBox1.Image = Image.FromStream(ms);
//PictureBox1.Image = img;
}
catch(COMException ex)
{
MessageBox.Show(ex.ToString());
}
}
private void btnScan\u单击(对象发送者,事件参数e)
{
尝试
{
var deviceManager=new deviceManager();
DeviceInfo AvailableScanner=null;
对于(int i=1;i这是它,只需使用WIA.ImageFile,然后使用FileData.get_BinaryData()转换它:
提供的答案被标记为低质量帖子,以供审核。以下是一些指导原则。提供的答案可能是正确的,但可以从解释中获益。仅代码答案不被视为“好”答案。
WIA.ImageFile imagefile = item.Transfer(format) as WIA.ImageFile;
byte[] imageBytes = (byte[])imagefile.FileData.get_BinaryData();