CODEWITHSUNDEEP
windowsiconsfile-association
tomkpunkt
tomkpunkt

Reputation: 1403

How can i set an icon for my own file extension

i register my file extension in windows with "ftype" and "assoc", this works. now i have the bad looking default icon, how can i change this icon??

Upvotes: 9

Views: 4015

Answers (1)

Piskvor left the building
Piskvor left the building

Reputation: 92792

HKEY_CLASSES_ROOT\.[extension] default key contains a REG_SZ string, that is the name of the next key:

HKEY_CLASSES_ROOT\[that_string]\DefaultIcon default key ("@") contains this: [path_to_icon_file],[zero_based_index]

Example:

 HKEY_CLASSES_ROOT\.txt
     @="MyTextFile"
 HKEY_CLASSES_ROOT\MyTextFile\DefaultIcon
     @="C:\WINDOWS\explorer.exe,2"

This way, all .txt files will use the third icon from the Explorer executable.

Upvotes: 9

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