MyProjectElement File1 = this.Project.Elements[0];
MyProjectElement File2 = this.Project.Elements[1];
MyProject my1 = (MyProject)File1;
MyProject my2 = (MyProject)File2;
PageCount_F1 = my1.PageCount;
PageCount_F2 = my2.PageCount;
if(PageCount_F1 != PageCount_F2) {
MessageBox.Show("The 2 files need to have the same file length", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
} else {
my1.IncludeAllPages = false;
my2.IncludeAllPages = false;
for(int i = 1; i <= PageCount_F1; i++) {
StringBuilder value1 = new StringBuilder();
StringBuilder value2 = new StringBuilder();
value1.Append(i.ToString());
value2.Append((PageCount_F2 - i + 1).ToString());
MyProject my1new = new MyProject();
MyProject my2new = new MyProject();
my1new.Pages = value1.ToString();
my2new.Pages = value2.ToString();
my1.Pages = my1new.Pages;
my2.Pages = my2new.Pages;
this.Project.Elements.Add((MyProjectElement)my1);
this.Project.Elements.Add((MyProjectElement)my2);
((MyProject)this.Project.Elements[1]).Pages.Remove(0);
((MyProject)this.Project.Elements[i]).Pages.Remove(0);
((MyProject)this.Project.Elements[1]).Pages = "1";
((MyProject)this.Project.Elements[PageCount_F2 - i + 1]).Pages = (PageCount_F2 - i + 1).ToString();
((MyProject)this.Project.Elements[i-1]).Pages.Remove(0);
((MyProject)this.Project.Elements[i]).Pages.Remove(0);
((MyProject)this.Project.Elements[i - 1]).Pages = i.ToString();
((MyProject)this.Project.Elements[i]).Pages = (PageCount_F2 - i + 1).ToString();
}
}