private object this[uint property, Type type]
{
get
{
uint dataType;
StringBuilder stringValue = new StringBuilder("");
uint bufSize = 0;
int intValue;
long timeValue = 0;
uint ret = RemotableNativeMethods.MsiSummaryInfoGetProperty(
(int)this.Handle,
property,
out dataType,
out intValue,
ref timeValue,
stringValue,
ref bufSize);
if (ret != 0 && dataType != (uint)VarEnum.VT_LPSTR)
{
throw InstallerException.ExceptionFromReturnCode(ret);
}
switch ((VarEnum)dataType)
{
case VarEnum.VT_EMPTY:
{
if (type == typeof(DateTime))
{
return(DateTime.MinValue);
}
else if (type == typeof(string))
{
return(String.Empty);
}
else if (type == typeof(short))
{
return((short)0);
}
else
{
return((int)0);
}
}
case VarEnum.VT_LPSTR:
{
if (ret == (uint)NativeMethods.Error.MORE_DATA)
{
stringValue.Capacity = (int)++bufSize;
ret = RemotableNativeMethods.MsiSummaryInfoGetProperty(
(int)this.Handle,
property,
out dataType,
out intValue,
ref timeValue,
stringValue,
ref bufSize);
}
if (ret != 0)
{
throw InstallerException.ExceptionFromReturnCode(ret);
}
return(stringValue.ToString());
}
case VarEnum.VT_I2:
case VarEnum.VT_I4:
{
if (type == typeof(string))
{
return(intValue.ToString(CultureInfo.InvariantCulture));
}
else if (type == typeof(short))
{
return((short)intValue);
}
else
{
return(intValue);
}
}
case VarEnum.VT_FILETIME:
{
if (type == typeof(string))
{
return(DateTime.FromFileTime(timeValue).ToString(CultureInfo.InvariantCulture));
}
else
{
return(DateTime.FromFileTime(timeValue));
}
}
default:
{
throw new InstallerException();
}
}
}
set
{
uint dataType = (uint)VarEnum.VT_NULL;
string stringValue = "";
int intValue = 0;
long timeValue = 0;
if (type == typeof(short))
{
dataType = (uint)VarEnum.VT_I2;
intValue = (int)(short)value; // Double cast because value is a *boxed* short.
}
else if (type == typeof(int))
{
dataType = (uint)VarEnum.VT_I4;
intValue = (int)value;
}
else if (type == typeof(string))
{
dataType = (uint)VarEnum.VT_LPSTR;
stringValue = (string)value;
}
else // (type == typeof(DateTime))
{
dataType = (uint)VarEnum.VT_FILETIME;
timeValue = ((DateTime)value).ToFileTime();
}
uint ret = NativeMethods.MsiSummaryInfoSetProperty(
(int)this.Handle,
property,
dataType,
intValue,
ref timeValue,
stringValue);
if (ret != 0)
{
throw InstallerException.ExceptionFromReturnCode(ret);
}
}
}
