/// <summary>
/// Gets the native (interop) version of this object, except for
/// <see cref="szIndexName"/> and <see cref="szKey"/>.
/// </summary>
/// <remarks>The cbKey holds the length of the key in bytes, and does not need to be adjusted.</remarks>
/// <returns>The native (interop) version of this object.</returns>
internal NATIVE_INDEXCREATE3 GetNativeIndexcreate3()
{
this.CheckMembersAreValid();
var native = new NATIVE_INDEXCREATE3();
native.cbStruct = checked ((uint)Marshal.SizeOf(typeof(NATIVE_INDEXCREATE3)));
// szIndexName and szKey are converted at pinvoke time.
//
// native.szIndexName = this.szIndexName;
// native.szKey = this.szKey;
native.cbKey = checked ((uint)this.cbKey * sizeof(char));
native.grbit = unchecked ((uint)this.grbit);
native.ulDensity = checked ((uint)this.ulDensity);
native.cbVarSegMac = new IntPtr(this.cbVarSegMac);
native.cConditionalColumn = checked ((uint)this.cConditionalColumn);
if (0 != this.cbKeyMost)
{
native.cbKeyMost = checked ((uint)this.cbKeyMost);
native.grbit |= unchecked ((uint)VistaGrbits.IndexKeyMost);
}
return(native);
}
/// <summary>
/// Sets all of the fields (not just output fields) of the object from a <see cref="NATIVE_INDEXCREATE3"/> struct,
/// specifically <see cref="err"/>.
/// </summary>
/// <param name="value">
/// The native indexcreate to set the values from.
/// </param>
internal void SetAllFromNativeIndexCreate(ref NATIVE_INDEXCREATE3 value)
{
this.szIndexName = Marshal.PtrToStringUni(value.szIndexName);
this.cbKey = unchecked ((int)value.cbKey / sizeof(char));
this.szKey = Marshal.PtrToStringUni(value.szKey, this.cbKey);
if (this.cbKey != this.szKey.Length)
{
throw new ArgumentException(string.Format("cbKey {0} != szKey.Length {1}", this.cbKey, this.szKey.Length));
}
this.grbit = unchecked ((CreateIndexGrbit)value.grbit);
this.ulDensity = unchecked ((int)value.ulDensity);
unsafe
{
this.pidxUnicode = new JET_UNICODEINDEX(ref *value.pidxUnicode);
}
this.cbVarSegMac = (int)value.cbVarSegMac;
this.cConditionalColumn = unchecked ((int)value.cConditionalColumn);
this.rgconditionalcolumn = new JET_CONDITIONALCOLUMN[this.cConditionalColumn];
int sizeofConditionalColumn = Marshal.SizeOf(typeof(NATIVE_CONDITIONALCOLUMN));
for (int i = 0; i < this.cConditionalColumn; ++i)
{
IntPtr addressOfElement = value.rgconditionalcolumn + i * sizeofConditionalColumn;
NATIVE_CONDITIONALCOLUMN nativeConditionalColumn =
(NATIVE_CONDITIONALCOLUMN)Marshal.PtrToStructure(addressOfElement, typeof(NATIVE_CONDITIONALCOLUMN));
this.rgconditionalcolumn[i] = new JET_CONDITIONALCOLUMN(ref nativeConditionalColumn);
}
this.err = (JET_err)value.err;
this.cbKeyMost = unchecked ((int)value.cbKeyMost);
var nativeSpaceHints = (NATIVE_SPACEHINTS)Marshal.PtrToStructure(value.pSpaceHints, typeof(NATIVE_SPACEHINTS));
this.pSpaceHints = new JET_SPACEHINTS();
this.pSpaceHints.SetFromNativeSpaceHints(nativeSpaceHints);
}
/// <summary>
/// Sets only the output fields of the object from a <see cref="NATIVE_INDEXCREATE3"/> struct,
/// specifically <see cref="err"/>.
/// </summary>
/// <param name="value">
/// The native indexcreate to set the values from.
/// </param>
internal void SetFromNativeIndexCreate(ref NATIVE_INDEXCREATE3 value)
{
this.err = (JET_err)value.err;
}