public static void SetPropertyRange(this WiaItemBase item, int propId, int value, int expectedMin, int expectedMax)
{
var prop = item.Properties.GetOrNull(propId);
if (prop != null)
{
if (prop.Attributes.Flags.HasFlag(WiaPropertyFlags.Range))
{
int expectedAbs = value - expectedMin;
int expectedRange = expectedMax - expectedMin;
int actualRange = prop.Attributes.Max - prop.Attributes.Min;
int actualValue = expectedAbs * actualRange / expectedRange + prop.Attributes.Min;
if (prop.Attributes.Step != 0)
{
actualValue -= actualValue % prop.Attributes.Step;
}
actualValue = Math.Min(actualValue, prop.Attributes.Max);
actualValue = Math.Max(actualValue, prop.Attributes.Min);
prop.Value = actualValue;
}
else
{
// Not a range, try to set the property directly
prop.Value = value;
}
}
}
public static void SetProperty(this WiaItemBase item, int propId, int value)
{
var prop = item.Properties.GetOrNull(propId);
if (prop != null)
{
prop.Value = value;
}
}
public static void SetPropertyClosest(this WiaItemBase item, int propId, ref int value)
{
var prop = item.Properties.GetOrNull(propId);
if (prop != null)
{
if (prop.Attributes.Flags.HasFlag(WiaPropertyFlags.List))
{
int value2 = value;
var choice = prop.Attributes.Values.OfType <int>().OrderBy(x => Math.Abs(x - value2)).Cast <int?>().FirstOrDefault();
if (choice != null)
{
prop.Value = choice.Value;
value = choice.Value;
}
}
else
{
// Not a list, try to set the property directly
prop.Value = value;
}
}
}