GetPackageFamilyName function (appmodel.h)

Gets the package family name for the specified process.

Syntax

LONG GetPackageFamilyName(
 [in] HANDLE hProcess,
 [in, out] UINT32 *packageFamilyNameLength,
 [out, optional] PWSTR packageFamilyName
);

Parameters

[in] hProcess

Type: HANDLE

A handle to the process that has the PROCESS_QUERY_INFORMATION or PROCESS_QUERY_LIMITED_INFORMATION access right. For more information, see Process Security and Access Rights.

[in, out] packageFamilyNameLength

Type: UINT32*

On input, the size of the packageFamilyName buffer, in characters. On output, the size of the package family name returned, in characters, including the null-terminator.

[out, optional] packageFamilyName

Type: PWSTR

The package family name.

Return value

Type: LONG

If the function succeeds it returns ERROR_SUCCESS. Otherwise, the function returns an error code. The possible error codes include the following.

Remarks

For info about string size limits, see Identity constants.

Examples

#define _UNICODE 1
#define UNICODE 1

#include <Windows.h>
#include <appmodel.h>
#include <malloc.h>
#include <stdlib.h>
#include <stdio.h>

int ShowUsage();
void ShowProcessPackageFamilyName(__in const UINT32 pid, __in HANDLE process);

int ShowUsage()
{
 wprintf(L"Usage: GetPackageFamilyName <pid> [<pid>...]\n");
 return 1;
}

int __cdecl wmain(__in int argc, __in_ecount(argc) WCHAR * argv[])
{
 if (argc <= 1)
 return ShowUsage();

 for (int i=1; i<argc; ++i)
 {
 UINT32 pid = wcstoul(argv[i], NULL, 10);
 if (pid > 0)
 {
 HANDLE process = OpenProcess(PROCESS_QUERY_LIMITED_INFORMATION, FALSE, pid);
 if (process == NULL)
 wprintf(L"Error %d in OpenProcess (pid=%u)\n", GetLastError(), pid);
 else
 {
 ShowProcessPackageFamilyName(pid, process);
 CloseHandle(process);
 }
 }
 }
 return 0;
}

void ShowProcessPackageFamilyName(__in const UINT32 pid, __in HANDLE process)
{
 wprintf(L"Process %u (handle=%p)\n", pid, process);

 UINT32 length = 0;
 LONG rc = GetPackageFamilyName(process, &length, NULL);
 if (rc != ERROR_INSUFFICIENT_BUFFER)
 {
 if (rc == APPMODEL_ERROR_NO_PACKAGE)
 wprintf(L"Process has no package identity\n");
 else
 wprintf(L"Error %d in GetPackageFamilyName\n", rc);
 return;
 }

 PWSTR familyName = (PWSTR) malloc(length * sizeof(*familyName));
 if (familyName == NULL)
 {
 wprintf(L"Error allocating memory\n");
 return;
 }

 rc = GetPackageFamilyName(process, &length, familyName);
 if (rc != ERROR_SUCCESS)
 wprintf(L"Error %d retrieving PackageFamilyName\n", rc);
 else
 wprintf(L"%s\n", familyName);

 free(familyName);
}

Requirements

See also

GetCurrentPackageFamilyName

GetPackageFullName

GetPackageId

PackageFamilyNameFromFullName

PackageFamilyNameFromId