Examples of com.sun.jna.Function.invoke()

com.sun.jna.Function.invoke()
Invoke the native function with the given arguments, returning the native result as an Object.

        Pointer vptr = this.getPointer().getPointer(0);
        // we take the vtable id and multiply with the pointer size (4 bytes on
        // 32bit OS)
        Function func = Function.getFunction(vptr.getPointer(vtableId
                * Pointer.SIZE));
        return func.invoke(returnType, args);
    }
    
    protected void _invokeNativeVoid(int vtableId, Object[] args) {
        Pointer vptr = this.getPointer().getPointer(0);
        // we take the vtable id and multiply with the pointer size (4 bytes on

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        if (fncEnumGpusNV == null) return 0;


        // enumerate nVidia adapters
        HGLRCByReference hGPU = new HGLRCByReference();
        for (int i = 0; i < 16; i++) {
            Boolean ok = (Boolean) fncEnumGpusNV.invoke(Boolean.class, new Object[] { Integer.valueOf(i), hGPU, });
            if (!ok.booleanValue()) return i;
        }


        return 0;
    }

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        if (fncEnumGpusNV == null) return 0;


        // enumerate nVidia adapters
        HGLRCByReference hGPU = new HGLRCByReference();
        for (int i = 0; i < 16; i++) {
            Boolean ok = (Boolean) fncEnumGpusNV.invoke(Boolean.class, new Object[] { Integer.valueOf(i), hGPU, });
            if (!ok.booleanValue()) return i;
        }


        return 0;
    }

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            }
            
            Object retVal = func.invoke(retType, args);
            
            if ( !void.class.equals(retType)){
                // We need to set the return value.
                
                if ( retVal == null ){

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