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26 lines
927 B
Plaintext
26 lines
927 B
Plaintext
'''This page is maintained for historic purposes. The keyword is [[Keywords currently not supported by QB64|not supported in QB64]].'''
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----
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The [[IOCTL]] statement sends a message to an open IOCTL compatible device.
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{{PageSyntax}}
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:[[IOCTL]] [#]{{Parameter|fileNumber%}}, {{Parameter|message$}}
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{{PageDescription}}
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*'''[[Keywords currently not supported by QB64|Not supported in QB64.]]'''
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* {{Parameter|fileNumber%}} is the number of an open device
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* {{Parameter|message$}} is the message you want to send.
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* The device must first be opened with the {{KW|OPEN}} statement.
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* Use [[IOCTL]] to receive messages from the device.
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* The message sent is device-specific (read manual to see if it is [[IOCTL]] compatible).
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* [[IOCTL]] doesn't work with most devices, it doesn't work with BASIC devices (LPTn:, COMn:, SCRN:, CONS:) or DOS block devices (A: to Z:).
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{{PageSeeAlso}}
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* [[IOCTL$]]
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* [[OPEN]]
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{{PageNavigation}} |