GetCurrentPackageFamilyName function (appmodel.h)

2024-02-22

Gets the package family name for the calling process.

Syntax

LONG GetCurrentPackageFamilyName(
  [in, out]       UINT32 *packageFamilyNameLength,
  [out, optional] PWSTR  packageFamilyName
);

Parameters

[in, out] packageFamilyNameLength

Type: UINT32*

On input, the size of the packageFamilyName buffer, in characters, including the null terminator. 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
APPMODEL_ERROR_NO_PACKAGE	The process has no package identity.
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 __cdecl wmain()
{
    UINT32 length = 0;
    LONG rc = GetCurrentPackageFamilyName(&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 GetCurrentPackageFamilyName\n", rc);
        return 1;
    }

    PWSTR familyName = (PWSTR) malloc(length * sizeof(*familyName));
    if (familyName == NULL)
    {
        wprintf(L"Error allocating memory\n");
        return 2;
    }

    rc = GetCurrentPackageFamilyName(&length, familyName);
    if (rc != ERROR_SUCCESS)
    {
        wprintf(L"Error %d retrieving PackageFamilyName\n", rc);
        return 3;
    }
    wprintf(L"%s\n", familyName);

    free(familyName);

    return 0;
}

Requirements

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

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