我的错代码:
form1里面的: private void button1_Click(object sender, EventArgs e)
{
Form f2 = new Form();
f2.MdiParent = this;
f2 . Show();
f2.WindowState = FormWindowState.Maximized;
pictureBox1.Visible = false; //此处隐藏图片
} form2里面的: private void button2_Click(object sender, EventArgs e)
{
this.close();
form1. pictureBox1.Visible = true; //这里错误??
}
大侠们知道怎么写吗??????初学者
form1里面的: private void button1_Click(object sender, EventArgs e)
{
Form f2 = new Form();
f2.MdiParent = this;
f2 . Show();
f2.WindowState = FormWindowState.Maximized;
pictureBox1.Visible = false; //此处隐藏图片
} form2里面的: private void button2_Click(object sender, EventArgs e)
{
this.close();
form1. pictureBox1.Visible = true; //这里错误??
}
大侠们知道怎么写吗??????初学者
{
Form f2 = new Form();
f2.MdiParent = this;
f2.Tag = this;
f2.Show();
f2.WindowState = FormWindowState.Maximized;
pictureBox1.Visible = false; //此处隐藏图片
} form2里面的: private void button2_Click(object sender, EventArgs e)
{
this.close();
Form1 f1 = (Form1)this.Tag;
f1.pictureBox1.Visible = true;
}
{
Form f2 = new Form(this);
f2.MdiParent = this;
f2.Tag = this;
f2.Show();
f2.WindowState = FormWindowState.Maximized;
pictureBox1.Visible = false; //此处隐藏图片
}
form2里面的:
定义Form1的实例:
public Form1 f1
在构造函数中以Form1为参数。
private void button2_Click(object sender, EventArgs e)
{
this.close();
//Form1 f1 = (Form1)this.Tag;
f1.pictureBox1.Visible = true;
}我是这样做的。还有更好的方法。
出错: 错误 1 “_5.Form1.pictureBox1”不可访问,因为它受保护级别限制
{
this.close();
form1. pictureBox1.Visible = true; //这里错误??
}
这里首先要
form1. pictureBox1.Visible = true; //这里错误??
this.close();
而且,你要确定form1和form2是不是同一个对象里面的资源,不然改变不了的,访问的不是同一个资源