可以在frmcxb的构造函数中把this传入,或使用属性传入。如:private Form m_owner;
public frmcxb(Form frmowner)
{
m_owner=frmowner;
}protected override void OnClick(EventArgs e)
{
base.OnClick(e);
if(this.m_owner!=null)
{
this.m_owner.Show();
}
}
public frmcxb(Form frmowner)
{
m_owner=frmowner;
}protected override void OnClick(EventArgs e)
{
base.OnClick(e);
if(this.m_owner!=null)
{
this.m_owner.Show();
}
}
show_MainForm()
{
frmzcx fz=(frmzcx)Application.OpenForms["frmzcx"];
fz.Show();}
OpenForms参数为int或者string
{
if (Application.OpenForms[0] != null) //0 表示 Application.Run(new frmzcx()); 打开的主窗体...
{
Application.OpenForms[0].Show();
}
}^o^