/// <summary>
/// Shows a text input dialog to the user. Maximum length of entered text is 10000 characters.
/// </summary>
/// <param name="title">Text in the dialogs title bar.</param>
/// <param name="text">The initial text of dialog. Can be null for empty string.</param>
/// <returns>True if successful or false on cancel.</returns>
public static bool GetText(string title, ref string text)
{
IntPtr cstring = IntPtr.Zero;
try
{
// According to manual 10240 characters maximum+2 extra for zero term safety etc.
cstring = Marshal.AllocHGlobal(10242);
int cnt = 0;
if (text != null)
{
byte[] utfcode = Encoding.UTF8.GetBytes(text);
if (utfcode.Length > 10240)
{
Array.Resize <byte>(ref utfcode, 10240);
}
cnt = utfcode.Length;
Marshal.Copy(utfcode, 0, cstring, cnt);
}
Marshal.WriteByte(cstring, cnt, 0);
if (NativeIUP.IupGetText(title, cstring) != 0)
{
text = IupHandle.UTF8ToStr(cstring);
return(true);
}
return(false);
}
finally {
if (cstring != IntPtr.Zero)
{
Marshal.FreeHGlobal(cstring);
}
}
}
internal static string UTF8ToStr(IntPtr ptr)
{
//Just a shortcut!
return(IupHandle.UTF8ToStr(ptr));
}
