COM_Write (Windows Embedded CE 6.0)
1/6/2010
This function enables an application to transmit bytes to the serial port.
Syntax
ULONG COM_Write(
HANDLE COM_Write,
PUCHAR pSourceBytes,
ULONG NumberOfBytes
);
Parameters
- COM_Write
[in] Handle returned by the COM_Open function.
- pSourceBytes
[in] Pointer to the bytes to be written.
- NumberOfBytes
[in] Specifies the number of bytes to be written.
Return Value
The number of bytes written indicates success. A value of –1 indicates failure.
Remarks
This function is exported to users through the WriteFile function. This function must obey flow-control and time-out values.
Requirements
| Header | Developer Implemented |
| Library | Serial.lib |
| Windows Embedded CE | Windows CE 1.0 and later |
See Also
Reference
Serial Port Driver MDD Functions
COM_Open
COM_Read