How to open a new file in the current directory with gvim on Windows?

If I'm working on a file located on e.g. ~\myprojects\testproject\hello.txt and then want to open a new file in the same directory e.g. todo.txt (located on ~\myprojects\testproject\todo.txt), how can I do that efficiently with gvim on Windows?

Today I have to type this command, maybe using tab-completion for the paths:

:e ~\myprojects\testproject\todo.txt


Is there any shorter command e.g:

:e .\todo.txt


in gvim on Windows?

If I use .\todo.txt, that file will be located on C:\Windows\system32, that's not even my home directory. Is there any setting to specify my home directory as default instead? or any other diectory?

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The following should work, provided your current dir is where the file is:

:e todo.txt


For the second question I don't know a good answer. You can of course do

:cd ~


every time you start up, or you could edit your vimrc to do that. It's a hack and not a good solution.

There's also 'autochdir' if you want to cd to the file every time. I found it here: http://vim.wikia.com/wiki/Set_working_directory_to_the_current_file

In your vimrc you would put in this line:

set autochdir


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No, that file is also place in C:\Windows\system32 and not in ~\myprojects\testproject\todo.txt. – Jonas Dec 8 '11 at 11:58
Sorry, I misread your question. I will come back with a proper answer soon. – ReyCharles Dec 8 '11 at 12:01
map <Leader>e :e <C-R>=expand("%:p:h") . "/" <CR>