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I'm looking for a way to uncheck the selected check box/radio button/toggle button using the keyboard in Windows 7, preferably in XP and Vista as well. I know you can use the Space bar to toggle the state of the currently selected button, but is there a way to set a control to ticked or unticked without risk of toggling it if is is already in the desired state?

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If they are in the desired state, why would you want to tick/untick? –  Terry Aug 13 '12 at 8:02
djerry certainly has a point. However, I don't believe there is a way to specifically "uncheck" (or "check") a checkbox/radio button regardless of its current state, unless the software provides this functionality (eg. a "select all" option perhaps) –  w3d Aug 13 '12 at 8:36
@djerry, I think what LodSfo is looking for is a way to ensure that the control is set to the desired state. Where spacebar always toggles, is there a way to initiate a "check" or "uncheck" command directly? I just submitted an edit to that effect to clarify it. –  Nick Aug 16 '12 at 18:03

4 Answers 4

To check/uncheck a textbox (tested in Windows 7):

+ to check
- to clear

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Use the Tab key or the mouse to select the check box and then press space bar key

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There is no way to control this for sure.

There are underlying controls that have default behaviors in Windows forms. Factors such as if these controls are a part of a control group will also have an affect on the outcome.

Also, there is no way to know how a developer handles certain events based on control selection and changes.

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I have seen some ERP forms where all suggestions above do not work. The magical key was F2

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TO do what? This answer is very low in quality, and doesn't seem to explain what F2 does... –  Canadian Luke Dec 16 '14 at 23:59

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