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int i=0;
int ii=0;
public int ii
{
get
{
i = ii;
}
}
if(this.pictureBox1.Image == null)
{
ii=0;
}
else
{
ii=1
}
form2 frm=new form2();
if (frm.i==0)
{messagebox.show("无图片");}
else
{messagebox.show("有图片");}
private void form2_Load(object sender, EventArgs e)
{
form1 frm=new form1();
frm.ii=3;
}
int i=0;
public int ii
{
set
{
i = value;
}
}
private void form2(object sender, EventArgs e)
{
form1 frm=new form1();
frm.ii=3;
}
form2 code
namespace senvalu
{
public partial class Form2 : Form
{
private Form1 f;
public Form2()
{
InitializeComponent();
}
public Form1 F
{
get
{
return f;
}
set
{
f=value;
}
}
private void button1_Click(object sender, EventArgs e)
{
}
private void Form2_Load(object sender, EventArgs e)
{
// Form1 frm = new Form1();
// frm.ii = 2;
f.ii=2;
}
}
}
form1 code
namespace senvalu
{
public partial class Form1 : Form
{
int i = 0;
public int ii
{
set
{
i = value;
}
get
{
return i;
}
}
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
Form2 fo=new Form2();
fo.F=this;
fo.Show();
}
private void button1_Click(object sender, EventArgs e)
{
MessageBox.Show( ii.ToString());
}
}
}