See alsoCommunication control for DDE exchanges with configured DDE server applications.
WebVue support - Yes.
|
Mode |
Mnemonic |
Syntax |
| 0 | START | 1 |
| 1 | STOP | 1 |
| 2* | STATUS | 1 |
| 3* | ON | 2 |
| 4* | OFF | 2 |
* These modes are now obsolete and have been replaced by system variables:
-
SYSTEM.DDE.Conversation Name.ON is a bit variable with a value of 1 when the conversation is running and 0 when it is stopped.
-
SYSTEM.DDE.Conversation Name.STATUS is a register variable containing the status of the conversation.
Syntax 1
Channel = DDECONV (Mode, ConvName);
Return type: INTEGER.
|
Argument |
Meaning |
|
ConvName |
The name of the DDE conversation. Type STR |
Execution
|
Mode |
Mnemonic |
Action |
|
0 |
START |
Start the DDE conversation. |
|
|
|
Return: 0 if successful |
|
1 |
STOP |
Stop the DDE conversation. |
|
|
|
Return: 0 if successful |
|
2 |
STATUS |
Test the status of the DDE conversation. |
|
|
|
Return: 0 if running |
Syntax 2
IntVal = DDECONV (Mode);
Return type: INTEGER
Execution
|
Mode |
Mnemonic |
Action |
|
3 |
ON |
Start all DDE conversations. |
|
|
|
Return: 1 if successful, else 0. |
|
4 |
OFF |
Stop all DDE conversations. |
|
|
|
Return: 1 if successful, else 0. |
Example
For an example, select the Example link above.