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The program registers IDropTarget under above keys.Ĭontext menu handlers can override the above.
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That is it was started as a DDE server then had fileopen commands sent to it with the name of the file to be openedįiles are now opened using COM. So the command is built from above and these newer keys HKEY_CLASSES_ROOT\SystemFileAssociations (which also includes associations for a newer concept of a general type of file - picture or music) or HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts.įor Word, it was opened using DDE (also specified at the above registry keys) rather than just a command line. In some cases, when there is missing path to the application executable file in the system environment variables, you should specify it like this: ProgramFilesWindows NTAccessorieswordpad.exe. Looking up HKCR\txtfile\shell\open gave you the command.ĭue to programs stealing file associations this now has an layer of other associations put over it. File Extension: doc Associated Program: exe Set as default: check the option Tip. So HKCR.ext could hold the open string (\shell\open) for compat with win.ini but more typically poined to a file class, eg HKCR.txt=txtfile. To support office you could put in win.ini *.doc=c:\winword.exe.Īsociations are per user and per machine with per user settings overriding machine settings. You are talking about legacy ways of opening a file, which is still the most common. The means for opening files has changed over time. RegRead to try to find the info in this week's version of the registry assoc and ftype are the tools your operating system provides for your problem. To change the default program a file type is opened with, search for the file you wish to change and right-click on it to bring up the file menu as shown below.
#CHANGE DEFAULT PROGRAM FOR EXTENSION PDF#
"C:\Program Files\ 3\program\\swriter.exe" -o "%1"Ĭ:\Program Files\ 3\program\\swriter.exeĭon't use. PDF documents with Adobe Reader or another PDF reader program by default How do I open PDF documents.Access support resources like step-by-step articles or short. Exec.Ĭut the file spec from the command: > sCmd = """C:\Program Files\ 3\program\\swriter.exe"" -o ""%1""" Via a script that executes those programs with. ="C:\Program Files\ 3\program\\swriter.exe" -o "%1" OpenCommandString Specifies the open command to use when launching files Isplays or modifies file types used in file extension associationsįileType Specifies the file type to examine or change From the list of file extensions, select the extension that you want to change the default program to open with and then click Change program. Go to Control Panel > Default programs and select Associate a file type or protocol with a program. ext Specifies the file extension to associate the file type withįileType Specifies the file type to associate with the file extension The second method is to choose a default program by extension. Displays or modifies file extension associations