Let's say you want your custom control display empty string in a certain field, if it has a default value. For example, if your Text field on a custom Label control is identical to its name, show Text field as blank. Would be nice if it worked both ways, i.e. leaving Text field blank would make it identical to the name (or following a certain pattern).
Speaking about WinForms, there is usually a mouse pointer (cursor) on top of each logical control group in the toolbox. You use it to cancel control drawing mode and go back to control selection mode (default).
One of the popular ways to do this - change format to " " (space) whenever null value is being set and roll it back to the old format on anything else. I have been looking for clean implementation of this approach. In the end I decided to write my own, using source code available on the net. Here is what I came up with.
Despite what people are saying on the net, you do not need to write your own method to include milliseconds when formatting DateTime object. To achieve this, you can use “f”. For example, if you want to include thousands of a second (i.e. milliseconds), you can write something like this [...]
This appears to be a known bug in Visual Studio. I encountered it when my VS 2008 SP1 was idle for a considerable amount of time, hanging minimized in the task bar. Standard close/reopen VS did not help. There were no strange processes in Task Manager either. After some failed commands (same error), I found a workaround for this issue.