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User controlled exit from processing loop
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User controlled exit from processing loop
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User controlled exit from processing loop |
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01-06-2005, 12:03 PM
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#1 |
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User controlled exit from processing loop
In my windows forms application, I have a process which takes some time to
complete. I have a nice progress bar showing how far through the process is, but I want to enhance this with a "Press ESC to abort" statusbar message. But how can I actually implement this hotkey-escape-from-loop functionality ? |
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01-06-2005, 12:29 PM
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#2 |
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Re: User controlled exit from processing loop
Tried subscribing to KeyDown event on my form, and in there setting a
private bool variable "escaped" to true, testing this in my loop. This works "sometimes" - only when I focus on my form by clicking on it's taskbar entry (when I just focus by clicking on the window KeyDown is not fired!). "JezB" <jezbroadsword@blueyonder.co.uk> wrote in message news:%23Mv9ekpZFHA.1456@TK2MSFTNGP15.phx.gbl... > In my windows forms application, I have a process which takes some time to > complete. I have a nice progress bar showing how far through the process > is, but I want to enhance this with a "Press ESC to abort" statusbar > message. But how can I actually implement this hotkey-escape-from-loop > functionality ? > |
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01-06-2005, 01:04 PM
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#3 |
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Re: User controlled exit from processing loop
I may just be talking to myself here but ....
The KeyDown approach seems to be more reliable when I set the KeyPreview property of the form to True. "JezB" <jezbroadsword@blueyonder.co.uk> wrote in message news:OQeWKzpZFHA.1092@tk2msftngp13.phx.gbl... > Tried subscribing to KeyDown event on my form, and in there setting a > private bool variable "escaped" to true, testing this in my loop. This > works "sometimes" - only when I focus on my form by clicking on it's > taskbar entry (when I just focus by clicking on the window KeyDown is not > fired!). > > "JezB" <jezbroadsword@blueyonder.co.uk> wrote in message > news:%23Mv9ekpZFHA.1456@TK2MSFTNGP15.phx.gbl... >> In my windows forms application, I have a process which takes some time >> to complete. I have a nice progress bar showing how far through the >> process is, but I want to enhance this with a "Press ESC to abort" >> statusbar message. But how can I actually implement this >> hotkey-escape-from-loop functionality ? >> > > |
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