Category: ZIM 4GL Language Reference

Provides a description of the error that triggered an exception. Syntax $ObjErrDescription Return Value Character string (VARALPHA). Can be reset by an application program. Comments The variable gives a meaningful description of the error that triggered an exception in the component. This variable is set to $null when a component operation triggers a Zim error…
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Calculates the arccosine of a number. Syntax $acos(number) where number a number, or an expression that evaluates to a number Return Value Number, with the same number of decimal places as number. Comments Use $acos to calculate the arccosine (in radians) of a number. The value returned by this function has the same number of…
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Provides the name of the help file that the component provided when an exception was raised. Syntax $ObjErrHelpFile Return Value Character string (VARALPHA). Can be reset by an application program. Comments The variable provides the name of the help file that the component provided when an exception was raised because of an  improper operation. This…
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A variable set when an exception occurs. Syntax $ObjException Return Value Number (LONGINT) Can be reset by an application program. Comments This variable is set only when a Zim error 5207 is generated (when the component application wishes to raise an exception). When an exception is raised, this variable is set as well as $ObjErrCode,…
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Provides a topic number for the help file provided by $ObjErrHelpFile. Syntax $ObjErrHelpTopic Return Value Number (LONGINT). Can be reset by an application program. Comments The variable provides a topic number for the help file provided by the $ObjErrHelpFile. This topic number does not apply to all help files formats. This variable is set to…
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Provides the number of the parameter that caused an error. Syntax $ObjErrParameter Return Value Number (INT). Can be reset by an application program. Comments If a Zim error of 5201 (Unknown Parameter) or 5202 (Type Mismatch) occurs, the $ObjErrParameter is set to the number of the parameter that caused the error. If the 5201 error…
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Sends a bitmap image of the screen to print; output is sent to either the clipboard or the standard output printer. Syntax $screenprint() Return Value Returns “1” ($True) if no errors were detected before the print job was submitted. Otherwise, returns “0” ($False). See Also $printersetup $screensave PRINT

Obtain the oldest event generated by a COM component. Syntax $ObjGetEvent (Object) Parameters Object an object variable or formfield of type OLE Return Value Returns a result as per the specification of the object. Note: Zim attempts to convert to the assigned type. Ensure a proper variable type is assigned. Comments COM objects can generate…
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