AssocQueryString Method (Win32)

In This Topic

Gets file-association string from the registry.

Syntax

Visual Basic
C#

'Declaration
 
Public Shared Function AssocQueryString( _
   ByVal flags As Integer, _
   ByVal str As Integer, _
   ByVal pszAssoc As String, _
   ByVal pszExtra As String, _
   ByVal pszOut As StringBuilder, _
   ByRef pcchOut As UInteger _
) As UInteger

public static uint AssocQueryString( 
   int flags,
   int str,
   string pszAssoc,
   string pszExtra,
   StringBuilder pszOut,
   ref uint pcchOut
)

Parameters

flags: Use Win32.ASSOCF constants.
str: Use Win32.ASSOCSTR constants.
pszAssoc
pszExtra
pszOut
pcchOut

Return Value

An Win32.OLE success/error code.

Remarks

To get associated exe's length/exe:

uint assocLen = 0; AssocQueryString(ASSOCF.ASSOCF_INIT_DEFAULTTOSTAR,ASSOCSTR.ASSOCSTR_EXECUTABLE,Path.GetExtension(OutputFileName),"open",null,ref assocLen);

For existing files, another option is FindExecutable.

Reference

Win32 Class
Win32 Members