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# sapgui_call_method_ex

Method and Property Functions

Invokes a method of a SAP object and saves the return value as a parameter.

    int sapgui_call_method_ex( const char *control_id, const char *method_name, const char *outputParamName, void *arg1, ..., void *argn, [optionalArguments] LAST);

control_id | Object ID Strings
method_name | The name of the SAP function to invoke
outputParamNam e | The parameter in which to store the return value of the call.
arg1...argn | Arguments to the method
optionalArguments | Optional Arguments
LAST | A marker indicating the end of the argument list. Not required if Optional Arguments are used.

The sapgui_call_method_ex function identifies the SAP object with the SAP identifier control_id, and calls the object's method method_name. It passes to the method the actual arguments arg1...argn. The return value of the invoked method is stored in parameter outputParamName.

The return value can be a simple value or a GuiCollection Array.

In some cases, VuGen generates an additional argument, AdditionalInfo.

## Return Values

This function returns LR_PASS (0) on success or LR_FAIL (1) on failure.

## Parameterization

You can parameterize all string (char type) arguments.

See Also

## Example

In this example, the first child of a TreeView root has two sub children, "Item1" and "Item2". sapgui_call_method_ex invokes the SAP method, GetSubNodesCol.

    sapgui_call_method_ex("usr/cntlTREE_CONTAINER/shellcont/shell",
        "GetSubNodesCol",
        "MySubNode",
        "Child1", LAST );

After the call, parameter MySubNode_1 contains the string "Item1", parameter MySubNode_2 contains the string "Item1" and parameter MySubNode_count is equal to "2".

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