Hi there,
well, no answer is also an answer, hence I just created a little exe
(for a student) that uses the API mentioned in the earlier post, which
might be useful for others as well:
/*
purpose: Program to notify the shell that file associations have
changed, hence
the icons may need to be refreshed.
author: Rony G. Flatscher, WU
date:2010-06-30
license:
Apache Version 2.0 license
-
Copyright 2010 Rony G. Flatscher
Licensed under the Apache License, Version 2.0 (the License);
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an AS IS BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-
*/
#include windows.h
#include stdio.h
#include ShlObj.h // get the constant definitions
int main( int argc, char *argv[] )
{
if (argc1)
{
fprintf(stdout, %s: notify shell that file associations have
changed. [rgf, WU, 2010-06-30; open-source license: Apache License (AL) 2.0]\n,
argv[0]);
return 0;
}
// notify Shell that icons have changed; available from Windows XP on
SHChangeNotify( SHCNE_ASSOCCHANGED,
SHCNF_IDLIST,
NULL, NULL);
return 0;
}
// to compile:cl shell32.lib associationChanged.c
It works from Windows XP on.
---rony
On 28.06.2010 23:42, Rony G. Flatscher wrote:
Hi there,
the WindowsManager class' method broadcastSettingChanged works as designed.
However, if one changes file-associations programmatically the
iconcache.db is not updated immediately and the changes are not visible
immediately (and broadcastSettingChanged does not work for
iconcache.db). It seems to be a known problem, e.g.
http://www.google.at/search?hl=declient=firefox-ahs=K4grls=org.mozilla%3Aen-US%3Aofficialchannel=sq=iconcache.db+refresh+programmatically+howtoaq=faqi=aql=oq=gs_rfai=.
Researching a little bit brought me to
http://blogs.sepago.de/e/helge/2007/11/22/free-tool-refresh-the-desktop-programmatically#comment-form,
which eventually led to:
http://msdn.microsoft.com/en-us/library/bb762118.aspx, which would be
an API that would help in this particular situation.
Does anyone know of a way to refresh the iconcache.db on WinXP, Vista
and W7, other than the above mentioned API?
---rony
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