I guess you've read the readme.txt which explains all the properties and
methods. Install it as a component. Drop the component on a form in 2
programs.
I use a record pointer to share. Here is a small example. My record
actually contains many more fields.
type
TShareRec = record
Command: Integer;
Filename: String[255];
End;
PShareRec = ^TShareRec;
Var
ShareRec: PShareRec;
Begin
SharedMemory.ShareName := 'Something';
SharedMemory.Size := Sizeof(TShareRec);
If not SharedMemory.OpenMemory then
SharedMemory.CreateMemory;
ShareRec := SharedMemory.MapMemory;
The above will work in both apps. You can then assign ShareRec.Command :=
1; for example, and the other app can see it instantly.
Be sure to UnmapMemory and CloseMemory when closing.
Don't use pointer types such as dynamic Strings or classes as they will not
work.
Cheers,
Ross.
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Jason Coley
Sent: Wednesday, 9 May 2007 13:51
To: NZ Borland Developers Group - Delphi List
Subject: RE: [DUG] Sending data between process on same computer on windows
Do you have any samples on how to work this component, I can't find much on
the net about it either, apart from download links.
Jason
I would use shared memory. I use this free component.
http://www.torry.net/vcl/system/appscommunications/sharedmemory.zip
It uses a memory mapped file system but without a physical file. It can use
messages for triggering events at each end, but I actually use a variable in
a record which I check in a 10ms loop to know when to do something. It
works very well.
Ross.
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