public static uint MsiGetProductProperty(MsiHandle hProduct, string szProperty, out string value)
{
StringBuilder sb = new StringBuilder(1024);
int length = sb.Capacity;
uint err;
value = null;
if (0 == (err = MsiGetProductPropertyW(hProduct, szProperty, sb, ref length)))
{
sb.Length = length;
value = sb.ToString();
return(0);
}
return(err);
}
private static string GetRecordString(MsiHandle record, int field)
{
int length = 255;
uint rv = 0;
StringBuilder text = new StringBuilder(length);
if ((rv = MsiRecordGetString(record.Handle, field, text, ref length)) == 0xea)
{
text.EnsureCapacity(++length);
rv = MsiRecordGetString(record.Handle, field, text, ref length);
}
if (rv != 0)
{
throw new Win32Exception();
}
return(text.ToString());
}
private static List <MsiFileInfo> GetFiles(string msiPath)
{
List <MsiFileInfo> msiFiles = new List <MsiFileInfo>();
// Open database
int dbHandleVal;
if (MsiOpenDatabase(msiPath, IntPtr.Zero, out dbHandleVal) != 0)
{
throw new Win32Exception();
}
using (MsiHandle dbHandle = new MsiHandle(dbHandleVal))
{
// Make sure file table exists
string tableName = "File";
if (MsiDatabaseIsTablePersistent(dbHandle.Handle, tableName) == 1)
{
// Opoen the view of the list of files
string query = "SELECT * FROM `" + tableName + "`";
int viewHandleVal;
if (MsiDatabaseOpenView(dbHandle.Handle, query, out viewHandleVal) != 0)
{
throw new Win32Exception();
}
using (MsiHandle viewHandle = new MsiHandle(viewHandleVal))
{
if (MsiViewExecute(viewHandle.Handle, 0) != 0)
{
throw new Win32Exception();
}
// Get a list of the columns in order to find the name field
Dictionary <string, int> fieldToIndexMapping = new Dictionary <string, int>();
int columnNamesRecordVal;
if (MsiViewGetColumnInfo(viewHandle.Handle, 0, out columnNamesRecordVal) != 0)
{
throw new Win32Exception();
}
using (MsiHandle columnNamesRecord = new MsiHandle(columnNamesRecordVal))
{
int fieldCount = MsiRecordGetFieldCount(columnNamesRecord.Handle);
for (int i = 0; i < fieldCount; i++)
{
fieldToIndexMapping[GetRecordString(columnNamesRecord, i)] = i;
}
}
if (fieldToIndexMapping.ContainsKey("FileName"))
{
// Get the files list
uint rv;
int recordVal;
while ((rv = MsiViewFetch(viewHandle.Handle, out recordVal)) == 0)
{
using (MsiHandle record = new MsiHandle(recordVal))
{
string[] fileNameParts = GetRecordString(record, fieldToIndexMapping["FileName"]).Split(
new char[] { '|' }, StringSplitOptions.RemoveEmptyEntries);
string fileName = fileNameParts.Length > 1 ? fileNameParts[1] : fileNameParts[0];
string size = GetRecordString(record, fieldToIndexMapping["FileSize"]);
string version = GetRecordString(record, fieldToIndexMapping["Version"]);
msiFiles.Add(new MsiFileInfo(fileName, version, size));
}
}
if (rv != 0x103)
{
throw new Win32Exception();
}
}
}
}
}
return(msiFiles);
}
static extern uint MsiGetProductPropertyW(MsiHandle hProduct, string szProperty, StringBuilder value, ref int length);
public extern static uint MsiOpenPackageW(string szPackagePath, out MsiHandle product);
