Close
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Occurs when the user tries to interactively close a VI that is running in window mode or as a built application.
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Index—Index
of the event source within an individual event diagram.
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Time—Value
of the millisecond timer when the event occurred.
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Window
Reference—Reference to the window being
closed.
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Close?
|
Occurs when the user tries to interactively close a VI that is running in window mode or as a built application.
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Index—Index
of the event source within an individual event diagram.
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Time—Value
of the millisecond timer when the event occurred.
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Window
Reference—Reference to the window being
closed.
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Discard?—Allows you to prevent LabVIEW NXG from
processing the event and bypasses the behavior normally
triggered by that event.
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Key Down
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Occurs on a control with keyboard focus. If a key press matches a keyboard shortcut, such as <Ctrl-C> or <Ctrl-V>, the software
does not generate a Key Down event, regardless of whether the menu item is enabled.
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Index—Index
of the event source within an individual event diagram.
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Time—Value
of the millisecond timer when the event occurred.
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Char—Value
of a character that corresponds to the key pressed on the
keyboard.
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Virtual
Key—Enumerated type indicating the virtual key
code of the key pressed. Values include ASCII, Shift,
NumLock, F1, and so on.
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Scan
Code—Scan code unique for each key on the
keyboard. The values are unique for each physical key.
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Modifiers—Cluster of Booleans that contain
platform-independent modifiers. LabVIEW NXG returns all
platform-independent modifiers in the Platform Modifiers event data
field.
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Platform
Modifiers—Cluster of Booleans that contain
platform-dependent modifiers and specifies if
platform-dependent keys, such as <Ctrl>,
<Shift>, <Alt>, <Command>, and
<Option> were held down when the event was triggered.
For filter events, you can modify the data returned by this
event data field. A key can also be both a Modifier and a
Platform Modifier.
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IsRepeat?—Indicates whether the user pressed a
key or held a key down.
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Focus Ref—A
reference to the object that has keyboard focus.
|
Key Down?
|
Occurs on a control with keyboard focus. If a key press matches a keyboard shortcut, such as <Ctrl-C> or <Ctrl-V>, the software
does not generate a Key Down event, regardless of whether the menu item is enabled.
|
-
Index—Index
of the event source within an individual event diagram.
-
Time—Value
of the millisecond timer when the event occurred.
-
Char—Value
of a character that corresponds to the key pressed on the
keyboard.
-
Virtual
Key—Enumerated type indicating the virtual key
code of the key pressed. Values include ASCII, Shift,
NumLock, F1, and so on.
-
Scan
Code—Scan code unique for each key on the
keyboard. The values are unique for each physical key.
-
Modifiers—Cluster of Booleans that contain
platform-independent modifiers. LabVIEW NXG returns all
platform-independent modifiers in the Platform Modifiers event data
field.
-
Platform
Modifiers—Cluster of Booleans that contain
platform-dependent modifiers and specifies if
platform-dependent keys, such as <Ctrl>,
<Shift>, <Alt>, <Command>, and
<Option> were held down when the event was triggered.
For filter events, you can modify the data returned by this
event data field. A key can also be both a Modifier and a
Platform Modifier.
-
IsRepeat?—Indicates whether the user pressed a
key or held a key down.
-
Focus Ref—A
reference to the object that has keyboard focus.
-
Discard?—Allows you to prevent LabVIEW NXG from
processing the event and bypasses the behavior normally
triggered by that event.
|
Key Up
|
Occurs when the user releases a key on the keyboard in a specific control on the panel.
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-
Index—Index of the event source within an individual event diagram.
-
Time—Value of the millisecond timer when the event occurred.
-
Scan Code—Scan code unique for each key on the keyboard. The values are unique for each physical key.
-
Modifiers—Cluster of Booleans that contain platform-independent modifiers. LabVIEW NXG returns all platform-independent modifiers in
the
Platform Modifiers event data field.
-
Platform Modifiers—Cluster of Booleans that contain platform-dependent modifiers and specifies if platform-dependent keys, such as <Ctrl>, <Shift>,
<Alt>, <Command>, and <Option> were held down when the event was triggered. For filter events, you can modify the data returned
by this event data field. A key can also be both a Modifier and Platform Modifier.
-
Focus Ref—A reference to the object that has keyboard focus.
|
Mouse Down
|
Occurs when the user clicks the mouse button on a specific control.
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Index—Index of the event source within an individual event diagram.
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Time—Value of the millisecond timer when the event occurred.
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Control or Panel Reference—Reference to the control or panel on which the event occurred. This event data field reads either Control or Panel Reference
depending on whether the event is set on a control or panel.
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Position—Position of the mouse at the time of the event. Position is relative to the origin of the panel.
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Button—Value that corresponds to which mouse button the user clicked. The left mouse button is 1, and the right mouse button is
2. Operating systems may assign higher numbers if you have a mouse with more than two buttons.
-
Modifiers—Cluster of Booleans that contain platform-independent modifiers. LabVIEW NXG returns all platform-independent modifiers in
the
Platform Modifiers event data field.
-
Platform Modifiers—Cluster of Booleans that contain platform-dependent modifiers and specifies if platform-dependent keys, such as <Ctrl>, <Shift>,
<Alt>, <Command>, and <Option> were held down when the event was triggered. For filter events, you can modify the data returned
by this event data field. A key can also be both a Modifier and Platform Modifier.
|
Mouse Down?
|
Occurs when the user clicks the mouse button on a specific control.
|
-
Index—Index of the event source within an individual event diagram.
-
Time—Value of the millisecond timer when the event occurred.
-
Control or Panel Reference—Reference to the control or panel on which the event occurred. This event data field reads either Control or Panel Reference
depending on whether the event is set on a control or panel.
-
Position—Position of the mouse at the time of the event. Position is relative to the origin of the panel.
-
Button—Value that corresponds to which mouse button the user clicked. The left mouse button is 1, and the right mouse button is
2. Operating systems may assign higher numbers if you have a mouse with more than two buttons.
-
Modifiers—Cluster of Booleans that contain platform-independent modifiers. LabVIEW NXG returns all platform-independent modifiers in
the
Platform Modifiers event data field.
-
Platform Modifiers—Cluster of Booleans that contain platform-dependent modifiers and specifies if platform-dependent keys, such as <Ctrl>, <Shift>,
<Alt>, <Command>, and <Option> were held down when the event was triggered. For filter events, you can modify the data returned
by this event data field. A key can also be both a Modifier and Platform Modifier.
-
Discard?—Allows you to prevent LabVIEW NXG from processing the event and bypasses the behavior normally triggered by that event.
|
Mouse Up?
|
Occurs when the user releases the mouse button on a specific control. The software does not generate this event if a shortcut
menu appears when the user clicks the mouse button.
|
-
Index—Index of the event source within an individual event diagram.
-
Time—Value of the millisecond timer when the event occurred.
-
Control or Panel Reference—Reference to the control or panel on which the event occurred. This event data field reads either Control or Panel Reference
depending on whether the event is set on a control or panel.
-
Position—Position of the mouse at the time of the event. Position is relative to the origin of the panel.
-
Button—Value that corresponds to which mouse button the user clicked. The left mouse button is 1, and the right mouse button is
2. Operating systems may assign higher numbers if you have a mouse with more than two buttons. For filter events, you can
modify the data returned by this event data field.
-
Modifiers—Cluster of Booleans that contain platform-independent modifiers. LabVIEW NXG returns all platform-independent modifiers in
the
Platform Modifiers event data field.
-
Platform Modifiers—Cluster of Booleans that contain platform-dependent modifiers and specifies if platform-dependent keys, such as <Ctrl>, <Shift>,
<Alt>, <Command>, and <Option> were held down when the event was triggered. For filter events, you can modify the data returned
by this event data field. A key can also be both a Modifier and Platform Modifier.
|
Mouse Enter
|
Occurs when the cursor enters the bounds of the panel object.
|
-
Index—Index of the event source within an individual event diagram.
-
Time—Value of the millisecond timer when the event occurred.
-
Control or Panel Reference—Reference to the control or panel on which the event occurred. This event data field reads either Control or Panel Reference
depending on whether the event is set on a control or panel.
|
Mouse Leave
|
Occurs when the cursor leaves the bounds of the panel object.
|
-
Index—Index of the event source within an individual event diagram.
-
Time— Value of the millisecond timer when the event occurred.
-
Control or Panel Reference—Reference to the control or panel on which the event occurred. This event data field reads either Control or Panel Reference
depending on whether the event is set on a control or panel.
|
Mouse Wheel
|
Occurs when the user scrolls the mouse wheel over an object.
|
-
Index—Index of the event source within an individual event diagram.
-
Time—Value of the millisecond timer when the event occurred.
-
Control or Panel Reference—Reference to the control or panel on which the event occurred. This event data field reads either Control or Panel Reference
depending on whether the event is set on a control or panel.
-
Position—Position of the mouse at the time of the event. Position is relative to the origin of the panel.
-
Delta—The distance the mouse wheel moved.
-
Orientation—Value that corresponds to the orientation of the scroll bar and indicates whether the user initiated this event on a horizontal
or vertical scroll bar.
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Button Modifiers—Cluster of Booleans that correspond to the mouse button(s) the user pressed and held during the mouse wheel movement. The
Booleans indicate whether the user pressed the left, right, or middle button(s).
-
Modifiers—Cluster of Booleans that contain platform-independent modifiers. LabVIEW NXG returns all platform-independent modifiers in
the
Platform Modifiers event data field.
-
Platform Modifiers—Cluster of Booleans that contain platform-dependent modifiers and specifies if platform-dependent keys, such as <Ctrl>, <Shift>,
<Alt>, <Command>, and <Option> were held down when the event was triggered. For filter events, you can modify the data returned
by this event data field. A key can also be both a Modifier and Platform Modifier.
|
Value Changed
|
Generated when the user changes the value of a control. You must read the terminal of a latched Boolean control in its Value
Change event case.

Note
This event is supported in VIs that run in a web application.
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-
Index—Index of the event source within an individual event diagram.
-
Time—Value of the millisecond timer when the event occurred.
-
Control Reference—Reference to the control on which the event occurred.
-
Old Value—Value of the control before the data change.
-
New Value—Value of the control after the data change.
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