how to export a raster in a IGeoDataset

[AbdulrahmanAlqasim]

how i can export (or save) the raster image which is  stored in IGeoDataset to"c:/raster.tif"

' Declare the output raster object
Dim pGeoDS As IGeoDataset

' Calls the method
Set pGeoDS = pTransformationOp.Clip(pRas01, pEnvelope)

pleease help