//----------------------------------------------------------------------------------------------------
/// <summary>
/// Gets the length of a control's Text. Required since using the RichTextBox.Length property wipes
/// out the Undo/Redo buffer.
/// </summary>
/// <param name="hControl">The h control.</param>
/// <returns></returns>
//----------------------------------------------------------------------------------------------------
public static int GetTextLength(IntPtr hControl)
{
var lpGtl = new GetTextLengthEx {
uiFlags = 0, uiCodePage = 1200
};
return(SendMessage(hControl, EM_GETTEXTLENGTHEX, ref lpGtl, IntPtr.Zero).ToInt32());
}
internal static extern IntPtr SendMessage(IntPtr hWnd, int msg, ref GetTextLengthEx wParam, IntPtr lParam);
