问题描述
我是 c# 的新手,我正在尝试通过一种方法在 MdiContainer 内动态创建表单,方法是在字符串中传递子表单类名的名称。问题是将该字符串作为类调用。
public partial class frmHome : Form
{
public frmHome()
{
InitializeComponent();
}
//Method to show a child form
public void CreateForm(string formName)
{
//somehow get the type of the class name passed through formName
Type protoclass = Type.GetType("BackOffice." + formName);
Object obj = Activator.CreateInstance(protoclass);
//Before opening a form close all forms opened
foreach (Form frmChild in this.MdiChildren)
{
frmChild.Close();
}
//Open form
protoClass frm = new protoClass(); //Here,I don't kNow how to call it.
//frmHome as Parent
frm.MdiParent = this;
//show form
frm.Show();
}
private void loginToolStripMenuItem_Click(object sender,EventArgs e)
{
//Pass the class name as a string
createForm(frmloginAdmin);
}
解决方法
替换这个:
protoClass frm = new protoClass();
这样:
Form frm = (Form)obj;
,
将其通用化为 CreateForm<T>() where T : Form
然后您可以使用 new T()