private void qunfa_Click(object sender, System.EventArgs e)
{
//MainForm myForm=new MainForm();
if(this.Size.Width ==288)
{
this.Width=464;
qunfa.Text ="群发←";
}
else
{
this.Width=288;
qunfa.Text ="群发→";
}/**/
MessageBox.Show (this.Width.ToString());
}
{
//MainForm myForm=new MainForm();
if(this.Size.Width ==288)
{
this.Width=464;
qunfa.Text ="群发←";
}
else
{
this.Width=288;
qunfa.Text ="群发→";
}/**/
MessageBox.Show (this.Width.ToString());
}
if(this.Size.Width==288)
{
this.Width=464;
qunfa.Text ="群发←";
}
else
{
this.Width=288;
qunfa.Text ="群发→";
}2.不是改变当前窗体
MainForm myForm=new MainForm();
myForm.Show();//让窗口显示出来
if(myForm.Size.Width ==288)
{
myForm.Width=464;
qunfa.Text ="群发←";
}
else
{
myForm.Width=288;
qunfa.Text ="群发→";
}