LabWindows/CVI

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Product DocumentationLabWindows/CVIATTR_CALLBACK_NAME_LENGTH (Control)Current page
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ATTR_CALLBACK_NAME_LENGTH (Control)

ATTR_CALLBACK_NAME_LENGTH (Control)

Type: Control attribute
Description: The number of bytes in the name of the control callback function. The length does not include the ASCII NUL byte.

Use this value to determine the size of the buffer to pass when you call GetCtrlAttribute and specify the ATTR_CALLBACK_NAME attribute.
Control Types: ActiveX controls, binary switches, canvases, color numerics, command buttons, decorations, digital graphs, graphs, LEDs, list boxes, numerics, picture buttons, picture rings, pictures, radio buttons, rings, numeric slides, ring slides, splitters, strings, strip charts, tab controls, tables, text boxes, text buttons, text messages, timers, toggle buttons, trees.
Restrictions: Not settable.
Data Type: integer
LabWindows/CVI
Compatibility:
LabWindows/CVI 3.0 and later
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