CustomFunctionUI.WatermarkFunctionUIForm.GetInputRasterName C# (CSharp) Method

        private string GetInputRasterName(object inputRaster)
        {
            if ((inputRaster is IRasterDataset))
            {
                IRasterDataset rasterDataset = (IRasterDataset)inputRaster;
                return rasterDataset.CompleteName;
            }

            if ((inputRaster is IRaster))
            {
                IRaster myRaster = (IRaster)inputRaster;
                return ((IRaster2)myRaster).RasterDataset.CompleteName;
            }

            if (inputRaster is IDataset)
            {
                IDataset dataset = (IDataset)inputRaster;
                return dataset.Name;
            }

            if (inputRaster is IName)
            {
                if (inputRaster is IDatasetName)
                {
                    IDatasetName inputDSName = (IDatasetName)inputRaster;
                    return inputDSName.Name;
                }

                if (inputRaster is IFunctionRasterDatasetName)
                {
                    IFunctionRasterDatasetName inputFRDName = (IFunctionRasterDatasetName)inputRaster;
                    return inputFRDName.BrowseName;
                }

                if (inputRaster is IMosaicDatasetName)
                {
                    IMosaicDatasetName inputMDName = (IMosaicDatasetName)inputRaster;
                    return "MD";
                }

                IName inputName = (IName)inputRaster;
                return inputName.NameString;
            }

            if (inputRaster is IRasterFunctionTemplate)
            {
                IRasterFunctionTemplate rasterFunctionTemplate =
                    (IRasterFunctionTemplate)inputRaster;
                return rasterFunctionTemplate.Function.Name;
            }

            if (inputRaster is IRasterFunctionVariable)
            {
                IRasterFunctionVariable rasterFunctionVariable =
                    (IRasterFunctionVariable)inputRaster;
                return rasterFunctionVariable.Name;
            }

            return "";
        }