335 lines
11 KiB
C#
335 lines
11 KiB
C#
using Microsoft.SqlServer.Server;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Reflection;
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using System.Runtime.InteropServices;
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using System.Threading;
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using System.Threading.Tasks;
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namespace linesider_screen_tool
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{
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public sealed class BartenderPrintHelper : IDisposable
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{
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private const string BarTenderProgId = "BarTender.Application";
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private object? _btApp; // 声明为可空类型
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private int _disposedValue;
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public BartenderPrintHelper()
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{
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// 延迟初始化，在首次使用时创建 Bartender 应用实例
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}
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/// <summary>
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/// 打印单个标签（同步）
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/// </summary>
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public bool PrintLabel(
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string templatePath,
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Dictionary<string, string> subStringValues,
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int copies = 1,
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int serializedLabels = 1)
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{
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ValidateParameters(templatePath, subStringValues);
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return ExecuteBartenderAction(format =>
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{
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SetPrintSettings(format, copies, serializedLabels);
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SetSubStringValues(format, subStringValues);
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InvokeMethod(format, "PrintOut", false, false);
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return true;
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}, templatePath);
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}
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public Task<List<string>> GetNamedSubStrings(string templatePath)
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{
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dynamic format =null;
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dynamic btApp = null;
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try
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{
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btApp = Activator.CreateInstance(Type.GetTypeFromProgID(BarTenderProgId));
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format = btApp.Formats.Open(
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templatePath,
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false,
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null
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);
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format.PrintSetup.IdenticalCopiesOfLabel = 1;
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format.PrintSetup.NumberSerializedLabels = 1;
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List<string> subStrings = new List<string>();
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dynamic namedSubStrings = format.NamedSubStrings;
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foreach (var iteam in namedSubStrings)
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{
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subStrings.Add(iteam.Name);
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}
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return Task.FromResult(subStrings);
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}
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catch (Exception ex)
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{
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Console.WriteLine($"发生错误: {ex.Message}");
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return null;
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}
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finally
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{
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// 清理资源
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if (format != null)
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{
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Marshal.ReleaseComObject(format);
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}
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if (btApp != null)
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{
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btApp.Quit(0);
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Marshal.ReleaseComObject(btApp);
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}
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}
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}
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/// <summary>
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/// 批量打印标签（高性能实现）
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/// </summary>
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public bool PrintBatchLabels(
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string templatePath,
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IEnumerable<Dictionary<string, string>> labelsData,
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int copiesPerLabel = 1,
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int serializedLabels = 1)
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{
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ValidateParameters(templatePath, labelsData);
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return ExecuteBartenderAction(format =>
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{
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SetPrintSettings(format, copiesPerLabel, serializedLabels);
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bool allSuccess = true;
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foreach (var data in labelsData)
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{
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try
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{
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SetSubStringValues(format, data);
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InvokeMethod(format, "PrintOut", false, false);
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}
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catch (Exception ex)
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{
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allSuccess = false;
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LogError($"打印标签时出错: {ex.Message}");
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}
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}
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return allSuccess;
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}, templatePath);
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}
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private T ExecuteBartenderAction<T>(Func<object, T> action, string templatePath)
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{
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if (IsDisposed)
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throw new ObjectDisposedException(nameof(BartenderPrintHelper));
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EnsureBartenderInitialized();
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object? format = null;
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try
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{
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format = OpenFormat(templatePath);
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return action(format!);
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}
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catch (Exception ex)
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{
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LogError($"执行 Bartender 操作失败: {ex.Message}");
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throw new InvalidOperationException("Bartender 操作失败", ex);
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}
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finally
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{
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ReleaseFormat(format);
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}
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}
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private void EnsureBartenderInitialized()
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{
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if (_btApp == null)
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{
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try
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{
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_btApp = Activator.CreateInstance(Type.GetTypeFromProgID(BarTenderProgId));
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SetProperty(_btApp, "Visible", false); // 确保应用程序不可见
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}
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catch (Exception ex)
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{
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LogError($"初始化 Bartender 失败: {ex.Message}");
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throw new InvalidOperationException("无法初始化 Bartender 应用程序", ex);
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}
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}
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}
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private object OpenFormat(string path)
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{
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EnsureBartenderInitialized();
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try
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{
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var formats = GetProperty(_btApp!, "Formats");
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return InvokeMethod(formats, "Open", path, false, null);
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}
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catch (Exception ex)
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{
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LogError($"打开标签模板失败: {path}, 错误: {ex.Message}");
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throw new FileNotFoundException($"无法打开标签模板: {path}", ex);
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}
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}
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private void SetPrintSettings(object format, int copies, int serializedLabels)
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{
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var printSetup = GetProperty(format, "PrintSetup");
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SetProperty(printSetup, "IdenticalCopiesOfLabel", copies);
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SetProperty(printSetup, "NumberSerializedLabels", serializedLabels);
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}
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private void SetSubStringValues(object format, Dictionary<string, string> values)
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{
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if (values == null) return;
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foreach (var kv in values)
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{
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try
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{
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InvokeMethod(format, "SetNamedSubStringValue", kv.Key, kv.Value);
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}
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catch (Exception ex)
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{
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LogError($"设置标签变量失败: {kv.Key}={kv.Value}, 错误: {ex.Message}");
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throw new ArgumentException($"无法设置标签变量: {kv.Key}", ex);
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}
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}
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}
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private void ReleaseFormat(object? format)
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{
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if (format == null) return;
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try
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{
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InvokeMethod(format, "Close", 0); // 0 = BarTender.BtSaveOptions.btDoNotSaveChanges
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}
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catch (Exception ex)
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{
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LogError($"关闭标签格式失败: {ex.Message}");
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}
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finally
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{
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ReleaseComObject(format);
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}
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}
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private void ReleaseComObject(object obj)
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{
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if (obj == null || !Marshal.IsComObject(obj))
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return;
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try
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{
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// 循环调用直到引用计数为 0
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int refCount;
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while ((refCount = Marshal.ReleaseComObject(obj)) > 0)
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{
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LogError($"COM 对象引用计数: {refCount}");
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}
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}
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catch (Exception ex)
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{
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LogError($"释放 COM 对象失败: {ex.Message}");
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}
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}
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private void ValidateParameters(string templatePath, object data = null)
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{
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if (string.IsNullOrEmpty(templatePath))
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throw new ArgumentNullException(nameof(templatePath), "标签模板路径不能为空");
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if (!File.Exists(templatePath))
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throw new FileNotFoundException("指定的标签模板文件不存在", templatePath);
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if (data is IEnumerable<Dictionary<string, string>> labelsData && labelsData == null)
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throw new ArgumentNullException(nameof(labelsData), "标签数据不能为空");
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if (data is Dictionary<string, string> singleLabelData && singleLabelData == null)
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throw new ArgumentNullException(nameof(singleLabelData), "标签数据不能为空");
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}
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private void LogError(string message)
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{
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// 这里可以添加实际的日志记录逻辑
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Console.WriteLine($"[ERROR] {message}");
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}
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private bool IsDisposed => Interlocked.CompareExchange(ref _disposedValue, 0, 0) != 0;
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public void Dispose()
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{
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// 使用 Interlocked.Exchange 确保线程安全
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if (Interlocked.Exchange(ref _disposedValue, 1) != 0)
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return;
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try
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{
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// 使用临时变量确保线程安全
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var btApp = Interlocked.Exchange(ref _btApp, null);
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if (btApp != null && Marshal.IsComObject(btApp))
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{
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try
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{
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// 使用反射调用 Quit 方法
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InvokeMethod(btApp, "Quit", 0);
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}
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catch (Exception ex)
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{
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LogError($"退出 Bartender 应用程序失败: {ex.Message}");
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}
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finally
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{
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ReleaseComObject(btApp);
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}
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}
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}
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finally
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{
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GC.SuppressFinalize(this);
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}
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}
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~BartenderPrintHelper() => Dispose();
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// 反射辅助方法
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private object GetProperty(object obj, string propertyName)
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{
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return obj.GetType().InvokeMember(
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propertyName,
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BindingFlags.GetProperty,
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null,
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obj,
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null
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)!;
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}
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private void SetProperty(object obj, string propertyName, object value)
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{
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obj.GetType().InvokeMember(
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propertyName,
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BindingFlags.SetProperty,
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null,
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obj,
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new[] { value }
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);
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}
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private object InvokeMethod(object obj, string methodName, params object?[]? parameters)
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{
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return obj.GetType().InvokeMember(
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methodName,
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BindingFlags.InvokeMethod,
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null,
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obj,
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parameters ?? Array.Empty<object>()
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)!;
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}
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}
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} |