LoadCompressed example for C++ 5.0 and later
ILEADRasterIO *pRasterIO=NULL;
CoCreateInstance(CLSID_LEADRasterIO, NULL, CLSCTX_ALL, IID_ILEADRasterIO, (void**)&pRasterIO);
pRasterIO->LoadCompressed= LOAD_UNCOMPRESSED;
// now "test.tif" will be loaded uncompressed
pRasterIO->Load (m_RasterView1.GetRaster (), "c:\\temp\\test.cmp", 0, 1, 1);
pRasterIO->Release();