public IList <InstallCost> GetTotalCost()
{
this.ValidateSessionAccess();
IList <InstallCost> costs = new List <InstallCost>();
StringBuilder driveBuf = new StringBuilder(20);
for (uint i = 0; true; i++)
{
int cost, tempCost;
uint driveBufSize = (uint)driveBuf.Capacity;
uint ret = RemotableNativeMethods.MsiEnumComponentCosts(
(int)this.Handle,
null,
i,
(int)InstallState.Default,
driveBuf,
ref driveBufSize,
out cost,
out tempCost);
if (ret == (uint)NativeMethods.Error.NO_MORE_ITEMS)
{
break;
}
if (ret == (uint)NativeMethods.Error.MORE_DATA)
{
driveBuf.Capacity = (int)++driveBufSize;
ret = RemotableNativeMethods.MsiEnumComponentCosts(
(int)this.Handle,
null,
i,
(int)InstallState.Default,
driveBuf,
ref driveBufSize,
out cost,
out tempCost);
}
if (ret != 0)
{
throw InstallerException.ExceptionFromReturnCode(ret);
}
costs.Add(new InstallCost(driveBuf.ToString(), cost * 512L, tempCost * 512L));
}
return(costs);
}