private void CapabilitiesListValuesForm_Load(object sender, EventArgs e)
{
Int32 value;
string valueString = string.Empty;
WiaCapability capability = (WiaCapability)FrmMain._capabilitiesList[_selItemIndex];
_tbPropertyName.Text = capability.PropertyName;
if ((capability.PropertyAttributes & WiaPropertyAttributesFlags.List) == WiaPropertyAttributesFlags.List)
{
// Set the dialog caption.
this.Text = "WIA List Property Values";
// Change the list control label text.
_lblValues.Text = "List Values";
if (capability.Values.ListValues.ValuesCount <= 0)
{
return;
}
int index = 0;
// Add the list values to the list.
foreach (object i in capability.Values.ListValues.Values)
{
if (capability.VariableType == WiaVariableTypes.Bstr)
{
valueString = Convert.ToString(capability.Values.ListValues.Values[index]);
}
else if (capability.VariableType == WiaVariableTypes.Clsid)
{
System.Guid guidValue = (System.Guid)capability.Values.ListValues.Values[index];
valueString = guidValue.ToString();
}
else
{
value = Convert.ToInt32(capability.Values.ListValues.Values[index]);
int ret = HelperFunctions.GetWiaListPropertyValueString(capability.PropertyId, (int)value);
if (ret == 0)
{
// Add the received value as is to the values list.
valueString = value.ToString();
}
else
{
valueString = HelperFunctions.ListPropertyValueString;
}
}
if (!string.IsNullOrEmpty(valueString))
{
_lbValues.Items.Add(valueString);
}
index++;
}
}
else
{
// Set the dialog caption.
this.Text = "WIA Flag Property Values";
// Change the list control label text.
_lblValues.Text = "Flag Values";
value = capability.Values.FlagsValues.FlagValues;
int ret = HelperFunctions.GetWiaFlagPropertyValueString(capability.PropertyId, value);
if (ret == 0)
{
// add the values with their native ID's
_lbValues.Items.Add(value.ToString());
}
else
{
foreach (string i in FrmMain._flagValuesStrings)
{
_lbValues.Items.Add(i);
}
}
}
}