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• How do I enable in-place tablet pc input panel for non tablet PCs?

  - by yngvedh

  Hi all, Is it possible to enable the in-place tablet PC input panel on a non-tablet PC? I have checked the "For tablet pen input, show the Input Panel icon next to the text entry area when possible" checkbox in the options of the Input Panel. Does this not work because pen input is something different than mouse input? I do have a touch screen, but it just emulates a mouse (moving the cursor, pressing the left mouse button and such). I can get the Input Panel to show manually by starting tabtip.exe and then event the ink works, but I cannot get it to show (itself or it's in-place icon) when I activate text input controls. Does anyone know what's up?

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• How do I change the application associated with a file type but keep its icon.

  - by yngvedh

  Hi I want to change the default application for some file extensions but doing so also changes the icons (and file type information). Is there any way to do this without also changing its icon? Alternatively, I can change the application and then change only the icon back afterwards. How would I go about doing this?

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• How do I send floats in window messages.

  - by yngvedh

  Hi, What is the best way to send a float in a windows message using c++ casting operators? The reason I ask is that the approach which first occurred to me did not work. For the record I'm using the standard win32 function to send messages: PostWindowMessage(UINT nMsg, WPARAM wParam, LPARAM lParam) What does not work: Using static_cast<WPARAM>() does not work since WPARAM is typedef'ed to UINT_PTR and will do a numeric conversion from float to int, effectively truncating the value of the float. Using reinterpret_cast<WPARAM>() does not work since it is meant for use with pointers and fails with a compilation error. I can think of two workarounds at the moment: Using reinterpret_cast in conjunction with the address of operator: float f = 42.0f; ::PostWindowMessage(WM_SOME_MESSAGE, *reinterpret_cast<WPARAM*>(&f), 0); Using an union: union { WPARAM wParam, float f }; f = 42.0f; ::PostWindowMessage(WM_SOME_MESSAGE, wParam, 0); Which of these are preffered? Are there any other more elegant way of accomplishing this?

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• How do I write the audio stream to a memory buffer instead of a file using DirectShow?

  - by yngvedh

  Hi, I have made a sample application which constructs a filter graph to capture audio from the microphone and stream it to a file. Is there any filter which allows me to stream to a memory buffer instead? I'm following the approach outlined in an article on msdn and are currently using the CLSID_FileWriter object to write the audio to file. This works nicely, but I cannot figure out how to write to a memory buffer. Is there such a memory sink filter or do I have to create it myself? (I would prefer one which is bundled with windows XP)

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• How to access a (shadowed) global function in ruby.

  - by yngvedh

  Hi, I was wondering how to access a global function fn in ruby from a class which also defined a method fn. I have made a workaround by aliasing the function like so: def fn end class Bar alias global_fn fn def fn # how to access the global fn here without the alias global_fn end end I'm looking for something along the lines of c++'s :: to access global scope but I can't seem to locate any information about it. I guess I don't know specifically what I'm looking for.

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