GetCurrentPackageFullName function (appmodel.h)

Article
02/22/2024

Gets the package full name for the calling process.

Syntax

LONG GetCurrentPackageFullName(
  [in, out]       UINT32 *packageFullNameLength,
  [out, optional] PWSTR  packageFullName
);

Parameters

[in, out] packageFullNameLength

Type: UINT32*

On input, the size of the packageFullName buffer, in characters. On output, the size of the package full name returned, in characters, including the null terminator.

[out, optional] packageFullName

Type: PWSTR

The package full 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 packageFullNameLength.

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 = GetCurrentPackageFullName(&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 GetCurrentPackageFullName\n", rc);
        return 1;
    }

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

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

    free(fullName);

    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