Delta Electronics DELTA DUP-B - Manual (Page 175)

Chapter 3 Creating and Editing Screens
3-154 Revision May, 2010
Property Description of Dynamic Ellipse Element
X Used to set X coordinate
Y Used to set Y coordinate
Width Used to set the element width
Height Used to set the element height
3.8.9.6 Real Image
Property Description of Real Image Element
1. This element provides a Dll Library which allows the user to transmit the
user-defined image to HMI by using external programs through serial
communication interface.
2. One screen can have a real image element only.
Foreground Color Used to set the foreground color of the real image element.
Interface Used to set the communication protocol, RS232/RS-485。
COM
Used to set the HMI communication port. Please note that this COM
port cannot be used for PLC communication at the same time.
X Used to set X coordinate
Y Used to set Y coordinate
Width Used to set the element width
Height Used to set the element height
Example
1. Load ImgTrans.dll (the file is saved in Utility folder under the
location of the installation destination directory. (under
destination directory \Utility)
2. Data Structure:
typedef struct _COMM_INFO
{
char szCOM[8];
} COMM_INFO;
， szCOM is a string of characters and the sent values aire COM1,
COM2, COM3, …。
3. List of Commands:
(1) int hmOpen(const COMM_INFO* pCommInfo);
(2) int hmSendImageFromFile(LPCTSTR szFileName);
(3) HANDLE hmAsyncSendImageFromFile(LPCTSTR
szFileName);
(4) int hmSendImage(HBITMAP hbmp);
(5) HANDLE hmAsyncSendImage(HBITMAP hbmp);