When a DDE function fails (returns False, for example), ErrorInfo returns the corresponding error number. You have the ability to process the error and to retry the operation. This page presents the main DDE errors that can occur. For each error, you will find: - its number,
- the DDE functions affected by the error,
- the details of the error.
| | | | Error number | Explanation | Affected functions |
|---|
| 80072 | Internal error of the Windows library that manages the DDE conversations | DDESend, DDELink, DDEWarmLink, DDEUnLink, DDEUpdate | | 80073 | No call to DDEConnect has been made | DDEDisconnect, DDETopic, DDERecipient, DDEString, DDEItem, DDEEvent | | 80074 | The identifier of the connection does not exist | DDERetrieve, DDEDisconnect, DDEExecute, DDESend, DDETopic, DDERecipient, DDEString, DDEItem, DDELink, DDEWarmLink, DDEUnLink, DDEUpdate, DDEEvent | | 80075 | An error occurred while initializing the DDE functions. | DDEConnect, DDEExecute, DDESend, DDERetrieve, DDELink, DDEWarmLink, DDEUnLink, DDEUpdate | | 80076 | One of the parameters passed to DDEConnect is invalid | DDEConnect, DDEExecute, DDESend, DDELink, DDEWarmLink, DDEUnLink, DDEUpdate | | 80077 | The connection to the DDE server failed. The server did not respond properly to the connection request. | DDEConnect | | 80078 | The parameter for the opening mode is invalid | DDEStart | | 80079 | One of the parameters passed to the function is invalid | DDERetrieve, DDEExecute, DDESend, DDELink, DDEWarmLink, DDEUnLink, DDEUpdate | | 80080 | Failure creating the Windows process | DDEStart | | 80081 | The server did not respond within the timeout (it did not respond fast enough) | DDERetrieve, DDEExecute, DDESend, DDELink, DDEWarmLink, DDEUnLink, DDEUpdate | | 80082 | The server responded but it is too busy to process the request. | DDERetrieve, DDEExecute, DDESend, DDELink, DDEWarmLink, DDEUnLink, DDEUpdate | | 80083 | Insufficient memory to complete the operation (a memory allocation failed, the element to retrieve is too large, ...) | DDERetrieve, DDEExecute, DDESend, DDELink, DDEWarmLink, DDEUnLink, DDEUpdate | | 80084 | The DDE server was stopped at the end of the function (system problem, ...) | DDERetrieve, DDEExecute, DDESend, DDELink, DDEWarmLink, DDEUnLink, DDEUpdate | | 80085 | A DDE function has been used in a procedure called by another DDE function | DDERetrieve, DDEExecute, DDESend, DDELink, DDEWarmLink, DDEUnLink, DDEUpdate | | 80086 | An internal error of the DDE protocol has occurred while sending a message to a window (the window does not exist or it can receive no message) | DDERetrieve, DDEExecute, DDESend, DDELink, DDEWarmLink, DDEUnLink, DDEUpdate |
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