Category: DDE Services

The Original Internet Language

$DDEFunction

Invokes and interacts with DDE services Syntax $DDEFunction ( p1, p2, p3, p4, … ) Parameters p1 return type, longint p2 command, longint p3 server handle, longint p4 application command, string Comments Where p1, p2, and so on, indicate the desired DDE service and the data required by that service. The first parameter, p1, is…
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DDEExecute

DDEExecute Send commands and macros to the target application. Syntax procedure DDEExecute (out tErrCode, inout tServ, in app_cmd) Parameters tErrCode longint, an error code tServ longint, connection handle app_cmd char, command or macro to be executed Comments DDEExecute sends target application specific commands and macros to be executed by the remote application. Consult the documentation of…
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DDEPoke

DDEPoke Assigns a value to a specific item in a remote application. Syntax procedure DDEPoke (out tErrCode, inout tServ, in dde_item, in dde_val) Parameters tErrCode longint, an error code tServ longint, connection handle dde_item char, item name dde_val char, value of the item Comments DDEPoke assigns a value to a specific item in a remote application.…
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DDEPeek

DDEPeek Syntax procedure DDEPeek (out tErrCode, inout tServ, in dde_item, out dde_val) Parameters tErrCode longint, an error code tServ longint, connection handle dde_item char, item name dde_val char, value of the returned item. Must be a string at least five characters in length Comments DDEPeek retrieves the value of a specific item from a remote…
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DDEConnect

DDEConnect Sets up the access to the remote application. Syntax DDEConnect ( out tErrCode,             out tServ,             in dde_app,             in dde_topic) Parameters tErrCode A returned error code. It must be a longint. tServ The returned connection handle. It also must be a longint. dde_app A string containing the application name. dde_topic A string containing the topic name. Comments The procedure is supplied with the application…
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DDEDisconnect

DDEDisconnect Terminate access to the remote application. Syntax procedure DDEDisconnect (out tErrCode, inout tServ) Parameters tErrCode longint, an error code tServ longint, connection handle Comments DDEDisconnect terminates the access to the remote application. The filename is ddedisc.pgm. Example For example, given that DDE_Err and hServ are of type longint and that hServ has been set…
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