private uint EnumSources(StringBuilder sourceBuf, uint i, NativeMethods.SourceType sourceType)
{
int enumType = (this.installation.InstallationType | (int)sourceType);
uint sourceBufSize = (uint)sourceBuf.Capacity;
uint ret = NativeMethods.MsiSourceListEnumSources(
this.installation.InstallationCode,
this.installation.UserSid,
this.installation.Context,
(uint)enumType,
i,
sourceBuf,
ref sourceBufSize);
if (ret == (uint)NativeMethods.Error.MORE_DATA)
{
sourceBuf.Capacity = (int)++sourceBufSize;
ret = NativeMethods.MsiSourceListEnumSources(
this.installation.InstallationCode,
this.installation.UserSid,
this.installation.Context,
(uint)enumType,
i,
sourceBuf,
ref sourceBufSize);
}
return(ret);
}
private void ClearSourceType(NativeMethods.SourceType type)
{
uint ret = NativeMethods.MsiSourceListClearAllEx(
this.installation.InstallationCode,
this.installation.UserSid,
this.installation.Context,
(uint)type | (uint)this.installation.InstallationType);
if (ret != 0)
{
throw InstallerException.ExceptionFromReturnCode(ret);
}
}
/// <summary>
/// Adds or reorders a network or URL source for the product or patch.
/// </summary>
/// <param name="item">Path to the source to be added. This parameter is
/// expected to contain only the path without the filename.</param>
/// <param name="index">Specifies the priority order in which the source
/// will be inserted</param>
/// <remarks><p>
/// If this method is called with a new source and <paramref name="index"/>
/// is set to 0, the installer adds the source to the end of the source list.
/// </p><p>
/// If this method is called with a source already existing in the source
/// list and <paramref name="index"/> is set to 0, the installer retains the
/// source's existing index.
/// </p><p>
/// If the method is called with an existing source in the source list
/// and <paramref name="index"/> is set to a non-zero value, the source is
/// removed from its current location in the list and inserted at the position
/// specified by Index, before any source that already exists at that position.
/// </p><p>
/// If the method is called with a new source and Index is set to a
/// non-zero value, the source is inserted at the position specified by
/// <paramref name="index"/>, before any source that already exists at
/// that position. The index value for all sources in the list after the
/// index specified by Index are updated to ensure unique index values and
/// the pre-existing order is guaranteed to remain unchanged.
/// </p><p>
/// If <paramref name="index"/> is greater than the number of sources
/// in the list, the source is placed at the end of the list with an index
/// value one larger than any existing source.
/// </p><p>
/// Win32 MSI API:
/// <a href="http://msdn.microsoft.com/library/en-us/msi/setup/msisourcelistaddsourceex.asp">MsiSourceListAddSourceEx</a>
/// </p></remarks>
public void Insert(string item, int index)
{
if (item == null)
{
throw new ArgumentNullException("item");
}
NativeMethods.SourceType type = item.Contains("://") ? NativeMethods.SourceType.Url : NativeMethods.SourceType.Network;
uint ret = NativeMethods.MsiSourceListAddSourceEx(
this.installation.InstallationCode,
this.installation.UserSid,
this.installation.Context,
(uint)type | (uint)this.installation.InstallationType,
item,
(uint)index);
if (ret != 0)
{
throw InstallerException.ExceptionFromReturnCode(ret);
}
}
/// <summary>
/// Removes a network or URL source.
/// </summary>
/// <remarks><p>
/// Win32 MSI API:
/// <a href="http://msdn.microsoft.com/library/en-us/msi/setup/msisourcelistclearsource.asp">MsiSourceListClearSource</a>
/// </p></remarks>
public bool Remove(string item)
{
if (String.IsNullOrEmpty(item))
{
throw new ArgumentNullException("item");
}
NativeMethods.SourceType type = item.Contains("://") ? NativeMethods.SourceType.Url : NativeMethods.SourceType.Network;
uint ret = NativeMethods.MsiSourceListClearSource(
this.installation.InstallationCode,
this.installation.UserSid,
this.installation.Context,
(uint)type | (uint)this.installation.InstallationType,
item);
if (ret != 0)
{
// TODO: Figure out when to return false.
throw InstallerException.ExceptionFromReturnCode(ret);
}
return(true);
}
