/// <summary>
/// Adds information about the value of capability in specified usage mode to the string builder.
/// </summary>
/// <param name="capUsageMode"></param>
/// <param name="capValue"></param>
/// <param name="capsInfo"></param>
private void AddCapInfoToCapsInfo(DeviceCapabilityUsageMode capUsageMode, TwainValueContainerBase capValue, StringBuilder capsInfo)
{
capsInfo.Append(string.Format(" Usage mode: {0}{1}", capUsageMode, Environment.NewLine));
capsInfo.Append(string.Format(" Value container type: {0}{1}", capValue.ContainerType, Environment.NewLine));
switch (capValue.ContainerType)
{
case TwainValueContainerType.OneValue:
TwainOneValueContainer oneDeviceCapabilityValue = (TwainOneValueContainer)capValue;
AddCapOneCurrentValueInfoToCapsInfo(oneDeviceCapabilityValue, capsInfo);
break;
case TwainValueContainerType.Range:
TwainRangeValueContainer rangeDeviceCapabilityValue = (TwainRangeValueContainer)capValue;
AddCapRangeCurrentValueInfoToCapsInfo(rangeDeviceCapabilityValue, capsInfo);
AddCapRangeDefaultValueInfoToCapsInfo(rangeDeviceCapabilityValue, capsInfo);
AddCapMinValueInfoToCapsInfo(rangeDeviceCapabilityValue, capsInfo);
AddCapMaxValueInfoToCapsInfo(rangeDeviceCapabilityValue, capsInfo);
AddCapStepSizeInfoToCapsInfo(rangeDeviceCapabilityValue, capsInfo);
break;
case TwainValueContainerType.Enum:
TwainEnumValueContainer enumDeviceCapabilityValue = (TwainEnumValueContainer)capValue;
AddCapEnumCurrentValueInfoToCapsInfo(enumDeviceCapabilityValue, capsInfo);
AddCapEnumDefaultValueInfoToCapsInfo(enumDeviceCapabilityValue, capsInfo);
AddCapValuesInfoToCapsInfo(enumDeviceCapabilityValue, capsInfo);
break;
case TwainValueContainerType.Array:
TwainArrayValueContainer arrayDeviceCapabilityValue = (TwainArrayValueContainer)capValue;
AddCapValuesInfoToCapsInfo(arrayDeviceCapabilityValue, capsInfo);
break;
}
}
/// <summary>
/// Gets information about the step size of value stored in Enum container.
/// </summary>
/// <param name="deviceCapabilityValue"></param>
/// <param name="capsInfo"></param>
private void AddCapStepSizeInfoToCapsInfo(TwainRangeValueContainer deviceCapabilityValue, StringBuilder capsInfo)
{
capsInfo.Append(string.Format(" Step size: {0} ({1}){2}", deviceCapabilityValue.StepSize, deviceCapabilityValue.StepSize.GetType(), Environment.NewLine));
}
/// <summary>
/// Gets information about the step size of value stored in Enum container.
/// </summary>
/// <param name="deviceCapabilityValue"></param>
private void AddCapStepSizeToForm(TwainRangeValueContainer deviceCapabilityValue)
{
stepSizeTextBox.Text = deviceCapabilityValue.StepSize.ToString();
}
/// <summary>
/// Gets information about the maximal value stored in Enum container.
/// </summary>
/// <param name="deviceCapabilityValue"></param>
private void AddCapMaxValueToForm(TwainRangeValueContainer deviceCapabilityValue)
{
maxValueTextBox.Text = deviceCapabilityValue.MaxValue.ToString();
}
/// <summary>
/// Gets information about the default value stored in Range container.
/// </summary>
/// <param name="deviceCapabilityValue"></param>
private void AddCapRangeDefaultValueToForm(TwainRangeValueContainer deviceCapabilityValue)
{
defaultValueTextBox.Text = deviceCapabilityValue.DefaultValue.ToString();
}
/// <summary>
/// Gets information about the current value stored in Range container.
/// </summary>
/// <param name="deviceCapabilityValue"></param>
private void AddCapRangeCurrentValueToForm(TwainRangeValueContainer deviceCapabilityValue)
{
currentValueTextBox.Text = deviceCapabilityValue.Value.ToString();
}
/// <summary>
/// Gets information about value of specified capability in specified usage mode.
/// </summary>
/// <param name="deviceCapability"></param>
/// <param name="usageMode"></param>
private void GetCapValue(DeviceCapability deviceCapability, DeviceCapabilityUsageMode usageMode)
{
usageModeTextBox.Text = "";
containerTypeTextBox.Text = "";
valueTypeTextBox.Text = "";
currentValueTextBox.Text = "";
minValueTextBox.Text = "";
maxValueTextBox.Text = "";
defaultValueTextBox.Text = "";
stepSizeTextBox.Text = "";
supportedValuesListBox.Items.Clear();
try
{
TwainValueContainerBase deviceCapabilityValue = null;
if (usageMode == DeviceCapabilityUsageMode.GetCurrent)
{
deviceCapabilityValue = deviceCapability.GetCurrentValue();
}
else if (usageMode == DeviceCapabilityUsageMode.GetDefault)
{
deviceCapabilityValue = deviceCapability.GetDefaultValue();
}
else
{
deviceCapabilityValue = deviceCapability.GetValue();
}
if (getMethodComboBox.Items.Count == 0)
{
//
usageModeTextBox.Text = deviceCapability.UsageMode.ToString();
//
if ((deviceCapability.UsageMode & DeviceCapabilityUsageMode.Get) != 0)
{
getMethodComboBox.Items.Add(DeviceCapabilityUsageMode.Get);
}
if ((deviceCapability.UsageMode & DeviceCapabilityUsageMode.GetCurrent) != 0)
{
getMethodComboBox.Items.Add(DeviceCapabilityUsageMode.GetCurrent);
}
if ((deviceCapability.UsageMode & DeviceCapabilityUsageMode.GetDefault) != 0)
{
getMethodComboBox.Items.Add(DeviceCapabilityUsageMode.GetDefault);
}
}
if (deviceCapabilityValue != null)
{
//
containerTypeTextBox.Text = deviceCapabilityValue.ContainerType.ToString();
valueTypeTextBox.Text = deviceCapability.ValueType.ToString();
//
switch (deviceCapabilityValue.ContainerType)
{
case TwainValueContainerType.OneValue:
TwainOneValueContainer oneDeviceCapabilityValue = (TwainOneValueContainer)deviceCapabilityValue;
AddCapOneCurrentValueToForm(oneDeviceCapabilityValue);
break;
case TwainValueContainerType.Range:
TwainRangeValueContainer rangeDeviceCapabilityValue = (TwainRangeValueContainer)deviceCapabilityValue;
AddCapRangeCurrentValueToForm(rangeDeviceCapabilityValue);
AddCapRangeDefaultValueToForm(rangeDeviceCapabilityValue);
AddCapMinValueToForm(rangeDeviceCapabilityValue);
AddCapMaxValueToForm(rangeDeviceCapabilityValue);
AddCapStepSizeToForm(rangeDeviceCapabilityValue);
break;
case TwainValueContainerType.Enum:
TwainEnumValueContainer enumDeviceCapabilityValue = (TwainEnumValueContainer)deviceCapabilityValue;
AddCapEnumCurrentValueToForm(enumDeviceCapabilityValue);
AddCapEnumDefaultValueToForm(enumDeviceCapabilityValue);
AddCapValuesToForm(enumDeviceCapabilityValue);
break;
case TwainValueContainerType.Array:
TwainArrayValueContainer arrayDeviceCapabilityValue = (TwainArrayValueContainer)deviceCapabilityValue;
AddCapValuesToForm(arrayDeviceCapabilityValue);
break;
}
}
}
catch (TwainDeviceCapabilityException ex)
{
currentValueTextBox.Text = ex.Message;
}
}