/// <summary>
/// Displays a dialog box that enables the user to select a hardware device for image acquisition.
/// </summary>
/// <param name="deviceType">Device type.</param>
/// <param name="alwaysSelect">Option to always show the select device dialog box</param>
/// <param name="required">Option to generate an error if the user cancels the dialog box.</param>
/// <returns>Selected <see cref="WiaDevice"/> or null when no selection made.</returns>
public WiaDevice ShowSelectDevice(WiaDeviceType deviceType, bool alwaysSelect, bool required)
{
var wiaDevice = _wiaCommonDialog.ShowSelectDevice(
(Interop.Wia.WiaDeviceType)(int) deviceType,
alwaysSelect, required);
return(wiaDevice != null ? new WiaDevice(wiaDevice) : null);
}
/// <summary>
/// Shows the common "Acquire Image" dialog to acquire an image.
/// </summary>
/// <param name="deviceType">Device type.</param>
/// <param name="intent">Image intent.</param>
/// <param name="bias">Image bias.</param>
/// <param name="formatId">Image format ID.</param>
/// <param name="alwaysSelectDevice">Always prompt to select device.</param>
/// <param name="useCommonUI">Use common UI.</param>
/// <param name="cancelError">Generate error if canceled.</param>
/// <returns>Image file or null when canceled.</returns>
public WiaImageFile ShowAcquireImage(WiaDeviceType deviceType, WiaImageIntent intent, WiaImageBias bias, string formatId, bool alwaysSelectDevice, bool useCommonUI, bool cancelError)
{
var wiaImageFile = _wiaCommonDialog.ShowAcquireImage(
(Interop.Wia.WiaDeviceType)(int) deviceType,
(Interop.Wia.WiaImageIntent)(int) intent,
(Interop.Wia.WiaImageBias)(int) bias,
formatId, alwaysSelectDevice, useCommonUI, cancelError);
return(wiaImageFile != null ? new WiaImageFile(wiaImageFile) : null);
}
private void SetDeviceType(WiaDeviceType deviceType)
{
_deviceType = deviceType;
allDevicesToolStripMenuItem.Checked = (deviceType == WiaDeviceType.UnspecifiedDeviceType);
scannersToolStripMenuItem.Checked = (deviceType == WiaDeviceType.ScannerDeviceType);
camerasToolStripMenuItem.Checked = (deviceType == WiaDeviceType.CameraDeviceType);
videoToolStripMenuItem.Checked = (deviceType == WiaDeviceType.VideoDeviceType);
this.LoadDevices();
}
public Device ShowSelectDevice(WiaDeviceType DeviceType = WiaDeviceType.UnspecifiedDeviceType, bool AlwaysSelectDevice = false, bool CancelError = false)
{
throw new NotImplementedException();
}
public ImageFile ShowAcquireImage(WiaDeviceType DeviceType = WiaDeviceType.UnspecifiedDeviceType, WiaImageIntent Intent = WiaImageIntent.UnspecifiedIntent, WiaImageBias Bias = WiaImageBias.MaximizeQuality, string FormatID = "{00000000-0000-0000-0000-000000000000}", bool AlwaysSelectDevice = false, bool UseCommonUI = true, bool CancelError = false)
{
throw new NotImplementedException();
}
/// <summary>
/// Zeigt den Dialog zur Geräteauswahl an
/// </summary>
/// <returns>das Gerät, das der Benutzer ausgewählt hat</returns>
public static Device FromUserDialog(WiaDeviceType deviceType = WiaDeviceType.UnspecifiedDeviceType, bool alwaysSelectDevice = false)
{
CommonDialogClass wiaDialog = new CommonDialogClass();
return(wiaDialog.ShowSelectDevice(deviceType, alwaysSelectDevice, false));
}
public static Device FromUserDialog(
WiaDeviceType deviceType = WiaDeviceType.UnspecifiedDeviceType, bool alwaysSelectDevice = false)
{
CommonDialog wiaDialog = new CommonDialog();
return wiaDialog.ShowSelectDevice(deviceType, alwaysSelectDevice, false);
}
public Device ShowSelectDevice(WiaDeviceType DeviceType = WiaDeviceType.UnspecifiedDeviceType, bool AlwaysSelectDevice = false, bool CancelError = false)
{
throw new NotImplementedException();
}
public ImageFile ShowAcquireImage(WiaDeviceType DeviceType = WiaDeviceType.UnspecifiedDeviceType, WiaImageIntent Intent = WiaImageIntent.UnspecifiedIntent, WiaImageBias Bias = WiaImageBias.MaximizeQuality, string FormatID = "{00000000-0000-0000-0000-000000000000}", bool AlwaysSelectDevice = false, bool UseCommonUI = true, bool CancelError = false)
{
throw new NotImplementedException();
}
