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Used mapping to get cap current/default values with names!

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This commit is contained in:
Eugene Wang
2023-04-08 15:35:08 -04:00
parent 7acbdb5e41
commit 9486fc8cce
1 changed files with 28 additions and 3 deletions
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31
samples/WinForm32/Form1.cs
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@@ -8,6 +8,7 @@ using System.Diagnostics;
using System.Drawing; using System.Drawing;
using System.Drawing.Imaging; using System.Drawing.Imaging;
using System.IO; using System.IO;
using System.Linq;
using System.Reflection; using System.Reflection;
using System.Windows.Forms; using System.Windows.Forms;
@@ -164,8 +165,8 @@ namespace WinFormSample
var enumType = KnownCapEnumMap.GetEnumType(c); var enumType = KnownCapEnumMap.GetEnumType(c);
var realType = twcap.DetermineValueType(twain); var realType = twcap.DetermineValueType(twain);
it.SubItems.Add(enumType?.Name.ToString() ?? realType.ToString()); it.SubItems.Add(enumType?.Name.ToString() ?? realType.ToString());
it.SubItems.Add(ReadTypedValue(c, realType, forCurrent: true)); it.SubItems.Add(ReadTypedValue(c, enumType, realType, forCurrent: true));
it.SubItems.Add(ReadTypedValue(c, realType, forCurrent: false)); it.SubItems.Add(ReadTypedValue(c, enumType, realType, forCurrent: false));
} }
else else
{ {
@@ -180,8 +181,32 @@ namespace WinFormSample
} }
// there may be a better way... // there may be a better way...
private string ReadTypedValue(CAP cap, TWTY type, bool forCurrent) MethodInfo[] twainMethods = typeof(TwainAppSession).GetMethods();
private string ReadTypedValue(CAP cap, Type? enumType, TWTY type, bool forCurrent)
{ {
if (enumType != null)
{
if (forCurrent)
{
var currentMethod = twainMethods
.FirstOrDefault(m => m.Name == nameof(TwainAppSession.GetCapCurrent) && m.IsGenericMethod)!
.MakeGenericMethod(enumType);
var args = new object?[] { cap, null };
currentMethod.Invoke(twain, args);
return args[1].ToString();
}
else
{
var defaultMethod = twainMethods
.FirstOrDefault(m => m.Name == nameof(TwainAppSession.GetCapDefault) && m.IsGenericMethod)!
.MakeGenericMethod(enumType);
var args = new object?[] { cap, null };
defaultMethod.Invoke(twain, args);
return args[1].ToString();
}
}
STS sts = default; STS sts = default;
switch (type) switch (type)
{ {