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Editorial Team
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Asked: 2026-05-12T00:43:47+00:00

I need to capture keystokes from a wedge device and prevent any controls or

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I need to capture keystokes from a wedge device and prevent any controls or the form from receiving them. I also need to be able to know the value (char). I have tried overriding the ProcessCmdKey(Keys) and ProcessDialogChar(char) events. In the ProcessCmd event I can suppress the keystroke if it’s one I want, but I the character isn’t a parameter of the event. In the ProcessDialogChar event the character is there, but I cannot prevent the form or control with the focus from receiving the key. Suggestions?

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  1. Editorial Team

    It was not how I wanted to do it, but because I needed to fix this and move on I put a hidden textbox on the form and as soon as I see the character that signals the possible start of the string of data I want to capture I set focus to that text box and respond to the TextChanged event. If I haven’t seen the ending character before I timer expires I clear the textbox and start again. Kludge, but it works and got me to the next task.

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