The phrase "a button is hold" is not correct in English.
Did you mean "a button is held"? If this is the case, you can use this phrase when describing the action of keeping a button pressed down, often in the context of using a device or software.
Example: "To activate the special feature, a button is held for three seconds."
Alternatives: "a button is pressed" or "a button is kept down".
The triangle shoots a projectile, which charges the longer the button is held, such that a charged "slam" shot can sail across the full screen.
Fingerprint information collected by the iPhone 5s scanner hardware built into Apple's home button is held on a 'secure enclave' within the A7 system-on-a-chip, and communicated to other services only as an encrypted alias that conveys no sensitive data.
Instead of having to "stick" to cover objects, players simply press down the left trigger to go into an iron sight view; while the button is held, you're rooted to the spot, but you can still use each of the analogue sticks to bob about and look around.
The projectile charges the longer the button is held, such that a charged "slam" shot can sail across the full screen.
Thus, we decided to err on caution and simplicity, and send the command multiple times if the button is held down noticeably.
Clicking on either of the icons brings up a Siri waveform to give users a visual cue that the virtual assistant is listening for commands, much like on iOS devices when the Home button is held down.
The video will record for the length of time the button is held — ditto for still photos, which can be augmented with Ken Burnsweepse swiths with a swipe or a zoom.
This is also handy, but I'd rather it was more consistent in terms of how it's triggered (like any time the volume button is held down, not just when held in landscape after lifting).
The longer the right mouse button is held, the longer you will hold onto your webline.
This mode will take images as long as the shutter button is held down.
