ONLINE HELP WINDEV, WEBDEV AND WINDEV MOBILE
Version: 151617181920212223242526
Name of WLanguage procedure to run. This procedure can be a global procedure or a local procedure of current window. If this parameter corresponds to an empty string (""), the "Procedure - DDE Event" association is canceled.
DDEtoAnswerThe program receives a request for data from another application.<Procedure> can find out the topic and the item affected by _DDE.Topic and _DDE.Item (_DDE.String has no significant value).If the request for data is accepted, <Procedure> must update:_DDE.Cr = 1_DDE.String = <value to send to the application that made the request>If the request for data is not accepted, <Procedure> must update _DDE.Cr = 0DDEtoReceiveThe program receives a data from another application.<Procedure> can find out the topic and the item afected by _DDE.Topic and _DDE.Item and the data received by _DDE.String.If the data is accepted, <Procedure> must update _DDE.Cr = 1If the data is not accepted, <Procedure> must update _DDE.Cr = 0DDEtoExecuteThe program receives a command to run that comes from another application.<Procedure> can find out the topic affected by _DDE.Topic and the data received by _DDE.String (_DDE.Item has no significant value).If the command is run, <Procedure> must update _DDE.Cr = 1If the command is not run, <Procedure> must update _DDE.Cr = 0DDEtoLinkThe program receives a request for a "warm" or "hot" link to a data. This request comes from another application.<Procedure> can find out the topic and the item affected by _DDE.Topic and _DDE.Item (_DDE.String has no significant value).If the link is created, the program must call DDEUpdate whenever the data corresponding to the topic and to the item is modified. <Procedure> must update _DDE.Cr = 1If the link is not created, <Procedure> must update _DDE.Cr = 0DDEtoModifyThe program receives the signal that the value of a linked data was modified. This signal comes from another application.After the DDEtoModify event, you must call DDELink or DDEWarmLink in order for <Procedure> to be called.<Procedure> can find out the topic and the item affected by _DDE.Topic and _DDE.Item.If the modification is accepted, <Procedure> must update _DDE.Cr = 1If the modification is not accepted, <Procedure> must update _DDE.Cr = 0If the link is a hot link, _DDE.String contains the new value of the linked data; otherwise, _DDE.String is set to "" (empty string)
Limits
Default values
Triggering the same procedure for several events
Last update: 09/17/2020
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