void export_ycols_to_gif()
{
	Worksheet wks = Project.ActiveLayer();
	if( wks )
	{
		// Create graph page
		GraphPage gpg;
		// Use Origin default template
		// You can replace with your custom template
		gpg.Create("Origin");
		// Assume graph has just one layer
		// You can change to deal with more than one layer
		GraphLayer gly = gpg.Layers(0);
		// Loop thru all columns of the wks and move
		// one at a time into graph and export
		int nCols = wks.GetNumCols();
		for(int icol = 1; icol < nCols; icol++)
		{
			// Proceed if type Y
			if( OKDATAOBJ_DESIGNATION_Y == wks.Columns(icol).GetType() )
			{
				// Remove current data plot from graph layer
				gly.RemovePlot(0);
				// Now add current Y col as data plot and rescale
				Curve crv(wks, icol);
				gly.AddPlot(crv);
				gly.Rescale();
				// Export to GIF
				string strFormat = "GIF";
				// Width in pixels - change as desired
				int nWidth = 1024;
				// Get page properties and set height appropriately to
				// maintain aspect ratio
				int nHeight = (int) (nWidth * gpg.Dimension.Height.dVal / gpg.Dimension.Width.dVal);
				// Bits per pixel
				int nBitsPerPixel = 8;
				// Set export file path to be in the User Files folder - change as desired
				string strDatasetName = wks.GetPage().GetName() + "_" + wks.Columns(icol).GetName();
				string strImagePath = GetAppPath() + strDatasetName + ".GIF";
				printf("Column %s exported to file: %s\n", strDatasetName, strImagePath);
				// Call function to export page with desired settings
				BOOL bRet = export_page_to_image(strImagePath, strFormat, gpg, nWidth, nHeight, nBitsPerPixel);
				// Report on error
				if( !bRet )
					printf("Failed to export graph for column: %s\n", strDatasetName); 
			}
		}
	}
}