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system.IO.Directory.exists

i am not really a programmer, so i have a question on the
system.io.directory.exists

what i am trying to do is have a button, once this button is clicked
it checks to see if the Directory exists, if it does it posts a
message saying software already installed. if not i want to launch the
software from a website to install the appplication. here is what i
have so far.

private void button1_Click(object sender, EventArgs e)
{
if (System.IO.Directory.Exists(@"c:\Path"))
System.Console.WriteLine("Already Installed");
else
System.Diagnostics.Process.Start("Program", "web
Location");

}

Oct 16 '07 #1
9 6083
Hi,

You first have to download the software install file and only then you use
Process.Start

--
Ignacio Machin
www.laceupsolutions.com
Mobile & warehouse Solutions.
<sh*****@ddpa.orgwrote in message
news:11**********************@y27g2000pre.googlegr oups.com...
>i am not really a programmer, so i have a question on the
system.io.directory.exists

what i am trying to do is have a button, once this button is clicked
it checks to see if the Directory exists, if it does it posts a
message saying software already installed. if not i want to launch the
software from a website to install the appplication. here is what i
have so far.

private void button1_Click(object sender, EventArgs e)
{
if (System.IO.Directory.Exists(@"c:\Path"))
System.Console.WriteLine("Already Installed");
else
System.Diagnostics.Process.Start("Program", "web
Location");

}

Oct 16 '07 #2
On Oct 16, 2:25 pm, shug...@ddpa.org wrote:
i am not really a programmer, so i have a question on the
system.io.directory.exists
Well, you've given some code - but what's your actual question? And is
this within a web form or WinForms?

Jon

Oct 16 '07 #3
Well, if you want to perform a download, you are going to have to use
the WebClient, or the HttpWebRequest/HttpWebResponse classes in the
System.Net namespace.

However, I would suggest that you look into ClickOnce, as it does pretty
much everything you are looking to have it do already.
--
- Nicholas Paldino [.NET/C# MVP]
- mv*@spam.guard.caspershouse.com

<sh*****@ddpa.orgwrote in message
news:11**********************@y27g2000pre.googlegr oups.com...
>i am not really a programmer, so i have a question on the
system.io.directory.exists

what i am trying to do is have a button, once this button is clicked
it checks to see if the Directory exists, if it does it posts a
message saying software already installed. if not i want to launch the
software from a website to install the appplication. here is what i
have so far.

private void button1_Click(object sender, EventArgs e)
{
if (System.IO.Directory.Exists(@"c:\Path"))
System.Console.WriteLine("Already Installed");
else
System.Diagnostics.Process.Start("Program", "web
Location");

}
Oct 16 '07 #4
On Oct 16, 8:40 am, "Jon Skeet [C# MVP]" <sk...@pobox.comwrote:
On Oct 16, 2:25 pm, shug...@ddpa.org wrote:
i am not really a programmer, so i have a question on the
system.io.directory.exists

Well, you've given some code - but what's your actual question? And is
this within a web form or WinForms?

Jon
This is in a windows form,

what i am trying to get at is, if the directory already exists within
their PC the button does not appear, is the Directory is not there, i
am going to user the Process.start to send then to the download page,
to install the program.

Oct 16 '07 #5
<sh*****@ddpa.orgwrote:
On Oct 16, 8:40 am, "Jon Skeet [C# MVP]" <sk...@pobox.comwrote:
On Oct 16, 2:25 pm, shug...@ddpa.org wrote:
i am not really a programmer, so i have a question on the
system.io.directory.exists
Well, you've given some code - but what's your actual question? And is
this within a web form or WinForms?

This is in a windows form,

what i am trying to get at is, if the directory already exists within
their PC the button does not appear, is the Directory is not there, i
am going to user the Process.start to send then to the download page,
to install the program.
If the button doesn't appear at all, then you can't react to the click
event. It sounds like you need to tell us a bit more of the bigger
picture, and in particular what problems you're having.

--
Jon Skeet - <sk***@pobox.com>
http://www.pobox.com/~skeet Blog: http://www.msmvps.com/jon.skeet
If replying to the group, please do not mail me too
Oct 16 '07 #6
On Oct 16, 12:40 pm, Jon Skeet [C# MVP] <sk...@pobox.comwrote:
<shug...@ddpa.orgwrote:
On Oct 16, 8:40 am, "Jon Skeet [C# MVP]" <sk...@pobox.comwrote:
On Oct 16, 2:25 pm, shug...@ddpa.org wrote:
i am not really a programmer, so i have a question on the
system.io.directory.exists
Well, you've given some code - but what's your actual question? And is
this within a web form or WinForms?
This is in a windows form,
what i am trying to get at is, if the directory already exists within
their PC the button does not appear, is the Directory is not there, i
am going to user the Process.start to send then to the download page,
to install the program.

If the button doesn't appear at all, then you can't react to the click
event. It sounds like you need to tell us a bit more of the bigger
picture, and in particular what problems you're having.

--
Jon Skeet - <sk...@pobox.com>http://www.pobox.com/~skeet Blog:http://www.msmvps.com/jon.skeet
If replying to the group, please do not mail me too
>From the Code i posted, nothing happens not even going out to the
website i selected from the process.start event. i do not even get the
message.

this by itself works fine in association to the button------>
System.Diagnostics.Process.Start("Program", "web Location");

the moment i add the code to check the system directory, i get no
error but i get no response from the button either.

so my objective is to check the system root for a specific set of
folders. if those folders exist then the button should not appear. if
the directory is missing, the button should show up and then take me
to the web address i have suppled.

the reason i have placed the message in the dialog box is cause i
wanted to make sure it was working, before i figured how to only
display the button if the directory is not there.

Oct 16 '07 #7
<sh*****@ddpa.orgwrote:
From the Code i posted, nothing happens not even going out to the
website i selected from the process.start event. i do not even get the
message.

this by itself works fine in association to the button------>
System.Diagnostics.Process.Start("Program", "web Location");

the moment i add the code to check the system directory, i get no
error but i get no response from the button either.
I suggest you run this in the debugger, and put a breakpoint at the
start of the event handler - then you can see what's going on.
so my objective is to check the system root for a specific set of
folders. if those folders exist then the button should not appear. if
the directory is missing, the button should show up and then take me
to the web address i have suppled.

the reason i have placed the message in the dialog box is cause i
wanted to make sure it was working, before i figured how to only
display the button if the directory is not there.
You haven't got a dialog box - you've got output to the console. If you
were expecting a dialog box, that's probably what's wrong.

--
Jon Skeet - <sk***@pobox.com>
http://www.pobox.com/~skeet Blog: http://www.msmvps.com/jon.skeet
If replying to the group, please do not mail me too
Oct 16 '07 #8
On Oct 16, 4:48 pm, Jon Skeet [C# MVP] <sk...@pobox.comwrote:
<shug...@ddpa.orgwrote:
From the Code i posted, nothing happens not even going out to the
website i selected from the process.start event. i do not even get the
message.
this by itself works fine in association to the button------>
System.Diagnostics.Process.Start("Program", "web Location");
the moment i add the code to check the system directory, i get no
error but i get no response from the button either.

I suggest you run this in the debugger, and put a breakpoint at the
start of the event handler - then you can see what's going on.
so my objective is to check the system root for a specific set of
folders. if those folders exist then the button should not appear. if
the directory is missing, the button should show up and then take me
to the web address i have suppled.
the reason i have placed the message in the dialog box is cause i
wanted to make sure it was working, before i figured how to only
display the button if the directory is not there.

You haven't got a dialog box - you've got output to the console. If you
were expecting a dialog box, that's probably what's wrong.

--
Jon Skeet - <sk...@pobox.com>http://www.pobox.com/~skeet Blog:http://www.msmvps.com/jon.skeet
If replying to the group, please do not mail me too
that is what i though the:
System.Console.WriteLine("Already Installed");
does. meaning i though a pop would be induced from that command. what
would be the command to cause a pop state the response i want.

Oct 17 '07 #9
On Oct 17, 1:27 pm, shug...@ddpa.org wrote:

<snip>
that is what i though the:
System.Console.WriteLine("Already Installed");
does.
No, that writes to the system console - which may not be attached to
that anything for that process.
meaning i though a pop would be induced from that command. what
would be the command to cause a pop state the response i want.
MessageBox.Show.

Jon

Oct 17 '07 #10

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