public Sci_TextToFind(Sci_CharacterRange chrRange, string searchText)
{
_sciTextToFind.chrg = chrRange;
_sciTextToFind.lpstrText = Marshal.StringToHGlobalAnsi(searchText);
}
public Sci_TextRange(Sci_CharacterRange chrRange, int stringCapacity)
{
_sciTextRange.chrg = chrRange;
_sciTextRange.lpstrText = Marshal.AllocHGlobal(stringCapacity);
}