We have a WPF busy window indicator. It is shown on the main thread using a window.ShowDialog(). On response to the Loaded event an action is executed and the window is closed so the application co...

I'm getting the following message on a big operation that I'm running: The CLR has been unable to transition from COM context 0x1fe458 to COM context 0x1fe5c8 for 60 seconds. The thread that ...

When a COM object is instantiated on an STA thread, the thread usually has to implement a message pump in order to marshal calls to and fro other threads (see here). One can either pump messages m...

pythoncom.PumpMessages() From what I understand this line basically tells the program to wait forever. For my purposes it seems to be working. However, I'd like to be able to end the program given...

I'm surprised to see that there is not a lot of explained documentation on the function pythoncom.PumpMessages(), or for the pythoncom module. So what does pythoncom.PumpMessages() and pythoncom.P...

I don't know much about Windows Message Pump but I guess events are triggered using Message Pump. When my Web browser control navigates to some websites it fires various events of Document Comple...

I have a fairly simple console application written in .NET. Sometimes the application is run in batch mode without an operator, other times it is run "out of pocket". If it's running in batch mode,...

I have a program that needs to sit in the background and when a user connects to a RDP session it will do some environment setup then launch a program. When the program is closed it will do some ho...

I want to forward a message (such as WM_MOUSEWHEEL) when I'm over this control with the mouse, without stealing the focus. This problem can be easily solved intercepting the message with an IMessag...

We're having problems with Windows silently eating exceptions and allowing the application to continue running, when the exception is thrown inside the message pump. For example, we created a test ...

The usual VB way to handle a computationally heavy task is to put it in a background worker thread, while the main thread keeps handling the UI. Say for whatever reason I needed to do this the oth...

In this thread (posted about a year ago) there is a discussion of problems that can come with running Word in a non-interactive session. The (quite strong) advice given there is not to do so. In on...

Skip to the bottom for the question; this is just some extra info I am using a component (GeckoFX) to render some websites, well fine, yet it can only be used in a Windows Form; as it has to bind ...

I have a Windows Service written in C# that handles all of our external hardware I/O for a kiosk application. One of our new devices is a USB device that comes with an API in a native DLL. I have a...