代码如下:
private void pictureBox1_Click(object sender, EventArgs e)
{
Form3 fm3 = new Form3();
fm3.Parent = this;
fm3.Show();
this.Visible = false;
}
private void pictureBox1_Click(object sender, EventArgs e)
{
Form3 fm3 = new Form3();
fm3.Parent = this;
fm3.Show();
this.Visible = false;
}
MyForm myForm = new MyForm();
container.Controls.Add(myForm);
网上查阅了相关资料,解决方法很简单。由于Form默认为顶级控件,所以在容器控件中加入会出现标题所示异常。
只要在添加控件的代码之前将Form设置为非顶级控件即可解决错误。
MyForm myForm = new MyForm();
myForm.TopLevel = false;
container.Controls.Add(myForm);
fm3.TopLevel = false;