MIMEAssociationDialogW function (intshcut.h)

Article
02/09/2023

Runs the unregistered MIME content type dialog box.

Note Windows XP Service Pack 2 (SP2) or later: This function is no longer supported.

Syntax

INTSHCUTAPI HRESULT MIMEAssociationDialogW(
        HWND   hwndParent,
        DWORD  dwInFlags,
        PCWSTR pcszFile,
        PCWSTR pcszMIMEContentType,
  [out] PWSTR  pszAppBuf,
        UINT   ucAppBufLen
);

Parameters

hwndParent

Type: HWND

A handle to the parent window of any posted child windows.

dwInFlags

Type: DWORD

A bit flag value that specifies if an association is to be registered. The bit flag is the value MIMEASSOCDLG_FL_REGISTER_ASSOC (0x0001). If this bit is set, the selected application is registered as the handler for the given MIME type. If this bit is clear, no association is registered.

An application is registered only if this flag is set and the user indicates that a persistent association is to be made.

Registration is impossible if the string at pcszFile does not contain an extension.

pcszFile

Type: PCTSTR

The address of a null-terminated string that contains the name of the target file. This file must conform to the content type described by the pcszMIMEContentType parameter.

pcszMIMEContentType

Type: PCTSTR

The address of a null-terminated string that contains the unregistered content type.

[out] pszAppBuf

Type: PTSTR

A pointer to a buffer that, when this function returns successfully, receives the path of the application specified by the user.

ucAppBufLen

Type: UINT

Size of pszAppBuf, in characters.

Return value

Type: HRESULT

Note As of Windows XP SP2, this function is not supported and returns E_NOTIMPL in all situations.

In supported systems, returns S_OK if the content type was successfully associated with the extension. In this case, the extension is associated as the default for the content type, and pszAppBuf points to the string that contains the path of the specified application. The function returns S_FALSE if nothing was registered. Otherwise, the return value will be one of the following:

Return code	Description
E_ABORT	The user canceled the operation.
E_FLAGS	The flag combination passed in dwInFlags is invalid.
E_OUTOFMEMORY	There was insufficient memory available to complete the operation.
E_POINTER	One of the input pointers is invalid.

Remarks

This function does not validate the syntax of the input content type string at pcszMIMEContentType. A successful return value does not indicate that the specified MIME content type is valid.

Note

The intshcut.h header defines MIMEAssociationDialog as an alias that automatically selects the ANSI or Unicode version of this function based on the definition of the UNICODE preprocessor constant. Mixing usage of the encoding-neutral alias with code that is not encoding-neutral can lead to mismatches that result in compilation or runtime errors. For more information, see Conventions for Function Prototypes.

Requirements

Requirement	Value
Minimum supported client	Windows XP [desktop apps only]
Minimum supported server	Windows 2000 Server [desktop apps only]
Target Platform	Windows
Header	intshcut.h
DLL	Url.dll

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