CALL function
Summary
Calls a procedure in a dynamic link library or code resource
Syntax
Syntax 1
Used with REGISTER
CALL(register_id,[argument1],...)
Syntax 2
Used alone (in Microsoft Excel for Windows)
Register_id is the value returned by a previously executed REGISTER or REGISTER.ID function.
CALL(module_text,procedure,type_text,[argument1],...])
The CALL function syntax has the following arguments:
• Module_text Required. Quoted text specifying the name of the dynamic link library (DLL) that contains the procedure in Microsoft Excel for Windows.
• Procedure Required. Text specifying the name of the function in the DLL in Microsoft Excel for Windows. You can also use the ordinal value of the function from the EXPORTS statement in the module-definition file (.DEF). The ordinal value must not be in the form of text.
• Type_text Required. Text specifying the data type of the return value and the data types of all arguments to the DLL or code resource. The first letter of type_text specifies the return value. The codes you use for type_text are described in detail in Using the CALL and REGISTER functions. For stand-alone DLLs or code resources (XLLs), you can omit this argument.
• Argument1,... Optional. The arguments to be passed to the procedure.
CALL(register_id,[argument1],...)
Syntax 2
Used alone (in Microsoft Excel for Windows)
Register_id is the value returned by a previously executed REGISTER or REGISTER.ID function.
CALL(module_text,procedure,type_text,[argument1],...])
The CALL function syntax has the following arguments:
• Module_text Required. Quoted text specifying the name of the dynamic link library (DLL) that contains the procedure in Microsoft Excel for Windows.
• Procedure Required. Text specifying the name of the function in the DLL in Microsoft Excel for Windows. You can also use the ordinal value of the function from the EXPORTS statement in the module-definition file (.DEF). The ordinal value must not be in the form of text.
• Type_text Required. Text specifying the data type of the return value and the data types of all arguments to the DLL or code resource. The first letter of type_text specifies the return value. The codes you use for type_text are described in detail in Using the CALL and REGISTER functions. For stand-alone DLLs or code resources (XLLs), you can omit this argument.
• Argument1,... Optional. The arguments to be passed to the procedure.
Example
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