Question

如何从Windows快捷方式（.lnk文件）以编程方式启动应用程序？

我尝试使用API ShellExecute，它似乎工作。有什么警告吗？

谢谢。

这是我当前代码的片段：

#include <windows.h>

#include <map>
#include <string>
#include <iostream>

int main( int, char** )
{
   std::map< int, std::wstring > errors;
   errors[0]                      = L"The operating system is out of memory or resources.";
   errors[ERROR_FILE_NOT_FOUND]   = L"The specified file was not found."; 
   errors[ERROR_PATH_NOT_FOUND]   = L"The specified path was not found."; 
   errors[ERROR_BAD_FORMAT]       = L"The .exe file is invalid (non-Microsoft Win32 .exe or error in .exe image).";
   errors[SE_ERR_ACCESSDENIED]    = L"The operating system denied access to the specified file.";
   errors[SE_ERR_ASSOCINCOMPLETE] = L"The file name association is incomplete or invalid.";
   errors[SE_ERR_DDEBUSY]         = L"The Dynamic Data Exchange (DDE) transaction could not be completed because other DDE transactions were being processed.";
   errors[SE_ERR_DDEFAIL]         = L"The DDE transaction failed.";
   errors[SE_ERR_DDETIMEOUT]      = L"The DDE transaction could not be completed because the request timed out.";
   errors[SE_ERR_DLLNOTFOUND]     = L"The specified DLL was not found.";
   errors[SE_ERR_FNF]             = L"The specified file was not found.";
   errors[SE_ERR_NOASSOC]         = L"There is no application associated with the given file name extension. This error will also be returned if you attempt to print a file that is not printable.";
   errors[SE_ERR_OOM]             = L"There was not enough memory to complete the operation.";
   errors[SE_ERR_PNF]             = L"The specified path was not found.";
   errors[SE_ERR_SHARE]           = L"A sharing violation occurred.";

   int ret = reinterpret_cast< int >( ::ShellExecute(0,L"open",L"\"C:\\Documents and Settings\\All Users\\Start Menu\\Programs\\Accessories\\Calculator.lnk\"",0,0,SW_SHOW) );
   const int minimumRetOK = 33;
   if ( ret < minimumRetOK ) {
      if ( errors.count( ret ) ) {
         std::wcout << L"Error " << ret << L" " << errors[ ret ];
      } else {
         std::wcout << L"Error " << ret << L" undocumented error";
      }
   }

    return 0;
}

Answer 1

ShellExecute或CreateProcess应该可以打开链接文件。如果他们找不到相关文件和/或程序，您可以随时使用这些API并将辛苦工作委托给“cmd start”或“explorer”。例如。 ShellExecute(0, "open", "explorer", linkfile, 0, SW_SHOW);

Answer 2

我不确定你不确定的是什么，你观察到的行为是documented。

ShellExecute“打开”操作，将执行shell“打开”文件参数引用的文件时执行的操作（您可以右键单击快捷方式并明确选择“打开”，但这也是默认操作对于.lnk，所以与双击相同）。

“打开”一个快捷方式文件，它将“打开”目标，如果目标是可运行的目标，如果它是文档或数据文件，它将在相关程序中打开，或者提示输入程序，如果没有关联。

Answer 3

ShellExecute应该有用。

但是，......

int main( int, wchar_t* )

...我知道没有编译器支持此签名。只需写下：

int main()

此外，对于dignostic消息，只需使用FormatMessage Windows API函数，或者，如果代码专门用于Visual C ++，请使用与该编译器捆绑在一起的相应支持类。

干杯＆amp;第h。，

如何从Windows快捷方式（.lnk文件）以编程方式（C ++）启动应用程序？

3 个答案: