PackageFamilyNameFromFullName function (appmodel.h)

Article
12/09/2022

Gets the package family name for the specified package full name.

Syntax

LONG PackageFamilyNameFromFullName(
  [in]            PCWSTR packageFullName,
  [in, out]       UINT32 *packageFamilyNameLength,
  [out, optional] PWSTR  packageFamilyName
);

Parameters

[in] packageFullName

Type: PCWSTR

The full name of a package.

[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.

Return code	Description
ERROR_INSUFFICIENT_BUFFER	The buffer is not large enough to hold the data. The required size is specified by packageFamilyNameLength.

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 <stdio.h>

int ShowUsage();
void FullNameToFamilyName(__in PCWSTR fullName);

int ShowUsage()
{
    wprintf(L"Usage: PackageFamilyNameFromFullName <fullname> [<fullname>...]\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)
        FullNameToFamilyName(argv[i]);

    return 0;
}

void FullNameToFamilyName(__in PCWSTR fullName)
{
    wprintf(L"FullName: %s\n", fullName);
    UINT32 length = 0;
    LONG rc = PackageFamilyNameFromFullName(fullName, &length, NULL);
    if (rc == ERROR_SUCCESS)
    {
        wprintf(L"PackageFamilyNameFromFullName unexpectedly succeeded\n");
        return;
    }
    else if (rc != ERROR_INSUFFICIENT_BUFFER)
    {
        wprintf(L"Error %d in PackageFamilyNameFromFullName\n", rc);
        return;
    }

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

    rc = PackageFamilyNameFromFullName(fullName, &length, familyName);
    if (rc != ERROR_SUCCESS)
        wprintf(L"Error %d converting PackageFamilyName to FullName\n", rc);
    else
        wprintf(L"Package Family Name = %s\n", familyName);

    free(familyName);
}

Requirements

Requirement	Value
Minimum supported client	Windows 8 [desktop apps \| UWP apps]
Minimum supported server	Windows Server 2012 [desktop apps \| UWP apps]
Target Platform	Windows
Header	appmodel.h
Library	Kernel32.lib
DLL	Kernel32.dll