November 27, 2017 c#mdi form creation & Notepad printing & notepad find, wrap line

The first parent form of an MDI form

Set the IsMdiContainer in the attribute to true.

Parent Form Connection Subform

//Create a new class to connect other forms that are unique
List<Form> F = new List<Form>();
private void opendao(Form f)
{
Form F1 = null;
bool isopen = false;
foreach(Form gf in F)
{
Gf.Hide ();
if(gf.Name == f.Name)
{
isopen = true;
F1 = GF;
}
}
If (isopen)
{
F.Close ();
F1.Show ();
}
Else
{
f.MdiParent = this;
f.WindowState = FormWindowState.Maximized;
f.Parent = panel1;
f.FormBorderStyle = FormBorderStyle.None;
F.Show ();
F.Add (f);
}
} 

The first button connection or anything else can

//Connect to second window
private void button1_Click(object sender, EventArgs e)
{
Form2 f2 = new Form2();
f2.Name = "1";
Opendao (F2);
}

The second button connection or something else is OK.

//Connect to second window
private void button2_Click(object sender, EventArgs e)
{
Form3 f3 = new Form3();
f3.Name = "2";
Opendao (F3);
} 

Note: Multiple form connections can be displayed only in the parent form

Notepad Page Setup

 
 private void toolStripMenuItem1_Click(object sender, EventArgs e)
        {
            pageSetupDialog1.Document = printDocument1;
            DialogResult dr = pageSetupDialog1.ShowDialog(); if (dr == DialogResult.OK)
            {


            }
        }

Notepad print

//Note: the first code for painting, string painting, important!
private void printDocument1_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e)
{
string s = textBox1.Text;
Font f = new system.drawing.font ("Microsoft YaHei", 25.5f);
Brush b = new SolidBrush(Color.Red);
e.Graphics.DrawString(s, f, b, 20, 20);
}
/ / print
Private void print ptoolstripmenuitem [click (object sender, EventArgs E)
{
printDialog1.Document = printDocument1;
DialogResult dr = printDialog1.ShowDialog();
if (dr == DialogResult.OK)
{
printDocument1.Print();
}
} 

Notepad Print Preview

   private void 打印预览VToolStripMenuItem_Click(object sender, EventArgs e)
        {
            printPreviewDialog1.Document = printDocument1;
            printPreviewDialog1.ShowDialog();

        }

Notepad Wrap Line

Private void auto wrap toolstripmenuitem [click (object sender, EventArgs E)
{
if (textBox1.WordWrap)
{
//Don't wrap
textBox1.WordWrap = false;
textBox1.ScrollBars = ScrollBars.Both;
Auto wrap toolstripmenuitem.checked = false;
}
Else
{
//Auto wrap
textBox1.WordWrap = true;
textBox1.ScrollBars = ScrollBars.Vertical;
Auto wrap toolstripmenuitem.checked = true;
}
}

Notepad new Form Lookup

//This is the setting for the second window
Form1 F1;
public Form2(Form1 f1)
{
InitializeComponent();
F1 = F1;
}
Int a = 0;
private void button1_Click(object sender, EventArgs e)
{
string s = textBox1.Text;
a = F1.textBox1.Text.IndexOf(s, a + 1);
If (a! = -1)
{
F1.textBox1.Select(a, s.Length);
F1.textBox1.Focus();
}
Else
{
MessageBox. Show ("no match! "";
}
}
//This is the first window to use
Private void find toolstripmenuitem [click (object sender, EventArgs E)
{
Form2 f2 = new Form2(this);
f2.Owner = this;
F2.Show ();
} 

November 27, 2017 c#mdi form creation & Notepad printing & notepad find, wrap line