public void Undo(TextBox tb, Frmmain frm)
{
if (currentposition > 0 || (!aghabgard && currentposition >= 0))
{
if (!aghabgard)
{
if (index - currentposition <= 5)
{
setText(tb, frm);
currentposition--;
}
tb.Text = temp[currentposition];
tb.SelectionStart = tempSelectionStart[currentposition];
tb.SelectionLength = tempSelectionLength[currentposition];
tb.ScrollToCaret();
aghabgard = true;
}
else
{
tb.Text = temp[--currentposition];
tb.SelectionStart = tempSelectionStart[currentposition];
tb.SelectionLength = tempSelectionLength[currentposition];
tb.ScrollToCaret();
aghabgard = true;
}
setUndoRedoChecked(frm);
}
}
static void Main(string[] args)
{
//with args(user open file with the program)
if (args != null && args.Length > 0)
{
string fileName = args[0];
//Check file exists
if (System.IO.File.Exists(fileName))
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Frmmain MainFrom = new Frmmain();
MainFrom.openFile(fileName);
Application.Run(MainFrom);
}
//The file does not exist
else
{
MessageBox.Show("The file does not exist!", "Error!", MessageBoxButtons.OK, MessageBoxIcon.Error);
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new Frmmain());
}
}
//without args
else
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new Frmmain());
}
}
//agar tabe e settext farakhani shavad darhali ke pas az an textchanged etefagh nayoftad
//bayad be surate dasti aghabgard true shavad.
public void setText(TextBox tb, Frmmain frm)
{
if (tb.Text != temp[currentposition])
{
if (currentposition == 349)
{
for (int i = 0; 250 > i; i++)
{
temp[i] = temp[i + 100];
tempSelectionStart[i] = tempSelectionStart[i + 100];
tempSelectionLength[i] = tempSelectionLength[i + 100];
}
currentposition = 249;
index = 249;
}
index = currentposition + 1;
temp[index] = tb.Text;
tempSelectionStart[index] = tb.SelectionStart;
tempSelectionLength[index] = tb.SelectionLength;
currentposition++;
}
else if (tb.SelectionStart != tempSelectionStart[currentposition])
{
index = currentposition;
tempSelectionStart[index] = tb.SelectionStart;
tempSelectionLength[index] = tb.SelectionLength;
}
setUndoRedoChecked(frm);
}
public void Redo(TextBox tb, Frmmain frm)
{
if (index > currentposition)
{
tb.Text = temp[++currentposition];
tb.SelectionStart = tempSelectionStart[currentposition];
tb.SelectionLength = tempSelectionLength[currentposition];
tb.ScrollToCaret();
aghabgard = true;
}
setUndoRedoChecked(frm);
}
public void startFromBeginning(TextBox tb, Frmmain frm)
{
temp[0] = tb.Text;
tempSelectionStart[0] = tb.SelectionStart;
tempSelectionLength[0] = tb.SelectionLength;
currentposition = 0;
index = 0;
numberOfSpaces = 0;
allowUndoSetText = true;
aghabgard = true;
setUndoRedoChecked(frm);
}
public void setUndoRedoChecked(Frmmain frm)
{
if (sendAllowUndo())
{
frm.setUndoChecked(true);
}
else
{
frm.setUndoChecked(false);
}
if (sendAllowRedo())
{
frm.setRedoChecked(true);
}
else
{
frm.setRedoChecked(false);
}
}
//protected ta agar az in form ers bari kardim betavanim az an estefade konim.
public Frmfind(Frmmain frm)
{
frmgeneral = frm;
InitializeComponent();
}
public frmgoto(Frmmain frm)
{
frmgeneral = frm;
InitializeComponent();
}
public frmreplace(Frmmain frm)
{
frmgeneral = frm;
InitializeComponent();
}
