URLAssociationDialog Function

Invokes the unregistered URL protocol dialog box. This dialog box allows the user to select an application to associate with a previously unknown protocol.

Syntax

HRESULT WINAPI URLAssociationDialog(
    HWND hwndParent,
    DWORD dwInFlags,
    LPCSTR pcszFile,
    LPCSTR pcszURL,
    LPSTR pszAppBuf,
    UINT ucAppBufLen
);

Parameters

hwndParent

Handle to the parent window.

dwInFlags

Bit flags that specify the behavior of the function. This value can be a combination of the following:

URLASSOCDLG_FL_USE_DEFAULT_NAME	Use the default file name (that is, "Internet Shortcut").
URLASSOCDLG_FL_REGISTER_ASSOC	Register the selected application as the handler for the protocol specified in pcszURL. The application is registered only if this flag is set and the user indicates that a persistent association is desired.

pcszFile

Address of a constant zero-terminated string that contains the file name to associate with the URL's protocol.

pcszURL

Address of a constant zero-terminated string that contains the URL with an unknown protocol.

pszAppBuf

Address of a buffer that receives the path of the application specified by the user.

ucAppBufLen

The size of pszAppBuf, in characters.

Return Value

Returns one of the following values:

Returns S_OK if the application is registered with the URL protocol, or S_FALSE if nothing is registered. For example, the function returns S_FALSE when the user elects to perform a one-time execution via the selected application.

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