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// MyCustomPrintLibrary.MyPrintClass.cs
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// Global  Access  Software  InTernational
// Copyrighted (c) 2019 by John P. Edwards
// First Created December 02, 2014 2:53 AM
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// Split this section out to simplify PMP
// v2.5.0.61 Nov 05 2016 05:52 AM
// v2.5.0.79 Nov 12 2016 05:52 AM
// Custom Brush below fixes that!
// v3.6.4.81 Jan 02 2017 Final:
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// Brought this one in from MyLilBlackBook:
// v4.9.5.95 20-Dec-2018 PB.MyPrintEvent1
// v4.9.5.96 31-Dec Revision simplifies.
// v4.9.5.98 12-Jan-2019 Moved to Project.
// v5.0.5.98 12-Jan-2019 Integrate to Beta.
// v5.0.5.99 15-Jan-2019 MCPL Design change.
// v5.0.6.01 22-Feb-2019 Dialing it all in Now!
// v5.0.6.01 02-Mar-2019 Fixedwell w/MPP Menu
// items calling back across, etc.
// v5.0.6.02 08-Mar-2019 Batch Stuff & Debug
// v5.0.6.03 14-Mar-2019 ReSetPages Call.
// v5.0.6.03 16-Mar-2019 Split to simplify.
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using System.Drawing.Printing;
using System.Threading;

using MCC = MyCustomControls.CustomControl;
using MPC = MyCustomPrintLibrary.MyPrintClass;
using MFC = MyCustomPrintLibrary.MyFontClass;

using MPR = MyCustomPrintLibrary
  .Properties.Resources;
using MPS = MyCustomPrintLibrary
  .Properties.Settings;


namespace MyCustomPrintLibrary
{
  public static partial class MyPrintEvent
  {
    internal static string
      DocContents { get; set; }

    private static string
      StrToPrint  { get; set; }

    private static int
      CurrentPage { get; set; }

    private static bool
      _firstPage = true;

    private static readonly Mutex
      Mini = new Mutex(false, MPR.Mini);
    

    /// <summary> Each & Every Page Printed
    /// Passes thru here! PrintBlaster
    /// v4.9.5.95 23-Dec-2018 by -JpE- 100%
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="eventP"></param>
    public static void
      PrintPageEventHandler(object sender,
      PrintPageEventArgs eventP)
    {
      var pd = sender as PrintDocument;
      if (eventP == null
        || pd == null
        || string.IsNullOrEmpty(
        DocContents)) return;

      Mini.WaitOne();
      eventP.PageSettings // trickit
        .PrinterSettings =
          pd.PrinterSettings;

      if(_firstPage)
        StrToPrint = DocContents;

      var charsOnPage = GetCharsNum(
        eventP, StrToPrint);

      MyPrintEvent2(ref eventP);

      if (!string.IsNullOrEmpty(
        StrToPrint)) StrToPrint =
          StrToPrint.Substring(
            charsOnPage);

      eventP.HasMorePages =
        StrToPrint.Length > 0;

      if (!eventP.HasMorePages)
      {
        _firstPage  = true;
        CurrentPage = 0;
        StrToPrint  = DocContents; }

      Mini.ReleaseMutex();
    }

    private static void SomePages1(
      ref PrintPageEventArgs p)
    {
      if (string.IsNullOrEmpty(
        DocContents)) return;

      var page = CalculatePages(p);

      if (p.PageSettings.PrinterSettings
        .FromPage > page) p.PageSettings
          .PrinterSettings.FromPage = 1;

      // Correct ^v either or both if over.
      if (p.PageSettings.PrinterSettings
        .ToPage > page) p.PageSettings
        .PrinterSettings.ToPage = page;
    }
 
    private static int CalculatePages(
      PrintPageEventArgs p)
    {
      var pages = 0;
      var text  = DocContents;

      do
      {
        var chars = GetCharsNum(p, text);
        ++pages;
        text = text.Substring(chars);
      }
      while (!string.IsNullOrEmpty(text));

      return pages;
    }
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  }
}