Tag Archives: development

How to detect if your system tray icon has gone missing, C/C++, Win32

The Problem:

Sometimes if either the desktop crashes or windows decides to go wrong for whatever reason, it re-creates the system tray. There is no way to detect when that happens and your icon is now missing but your system tray application is still running.

The Solution:

Windows does send a windows message to be notified when the system tray is being created.  It won’t be sent to you unless you register to receive it.

To register to receive the message do the following and store the ID that is returned. The simplest way to do this is to store it in a global variable.

Then later on in your windows message loop handle the message.

 

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How to get rid of unwanted directories from an subversion checkout

The Problem

Using svn if you’ve checked out a tree but didn’t want the entire tree how can you get rid of some of the subfolders.  This is generally a problem if there are some really big folder slowing down diff or other operations in the tree.

Example

You have checked out http://server/trunk but there is a gigantic folder that was checked out and you want to remove it from the checkout but not svn continues to annoy you saying that you’ve deleted it. Further if you simply delete the folder it will show as deleted every time run svn diff.

Resulting in

The Solution

If That Doesn’t Work

The folder will still be there but it will not cause problems with everyday life.

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