Specifications

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③ Create an edit control to input the job name, and name the ID “IDC_JOBNAME.”
④ Create a pushbutton for sending, and name the caption “Send” and the ID “IDC_DOWNLOAD.”
⑤ Create a pushbutton for receiving, and name the caption “Receive” and the ID “IDC_UPLOAD.”
6.3.2.4 Addition of Functions and Variables
① Open the TestDLg.h file to add the following function declaration.
short TestOpenComm( int mode );
short TestCloseComm( short ncid );
② Create a function “CTestDlg::TestOpenComm” to open the communications port.
③ Create a function “CTestDlg::TestCloseComm” to close the communicatinos port.
④ Create a function “CTestDlg::OnDownload” for BN_CLICKED message in Class Wizard using the
[Send] pushbutton (IDC_DOWNLOAD).
⑤ Create a function “CTestDl::OnUpload” for BN_CLICKED message in Class Wizard using the
[Receive] pushbutton (IDC_UPLOAD).
⑥Add variable “m_jobname” in Class Wizard by Cedit type for inputting characters of the job name
edit control (IDC_JOBNAME).
After adding the functions, write the code in each function.
CTestDlg::TestOpenComm function
CTestDlg::TestCloseComm function
CTestDlg::OnDownload function
CTestDlg::OnUpload function
In the transmission application creation procedure Help, select “Creation procedure in Visual C++,”
“Addition of functions and variables,” and then “CTestDlg::TestOpenComm function” to select the data
part (program list) of the above function. Use “Partial Copy” to copy this section to
CTestDlg::TestOpenComm() function. Repeat for CTestDlg::TestCloseComm, CTestDlg::OnDownload,
and CTestDlg::OnUpload.