使用window.external将javascript Date对象传递给C＃WebBrowser控件

WebBrowser

window.external

WebBrowser.ObjectForScripting

string

int

bool

Date

DateTime

string

Date

DateTime

Date

var millisecondsSinceEpoch = yourDate.valueOf();

DateTime

DateTime yourDateTime = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc)
    .AddMilliseconds(millisecondsSinceEpoch);

var date = new Date();
myComObject.DoSomething(date.getVarDate());

[ComVisible(true)]
public class Foo
{
    public void Bar(DateTime dateTime)
    {
        Console.WriteLine(dateTime);
    }
}

dynamic

[ComVisible(true)]
public class Foo
{
    public void Bar(object o)
    {
        var dateTime = (DateTime)o.GetType().InvokeMember(\"getVarDate\", BindingFlags.InvokeMethod, null, o, null);
        Console.WriteLine(dateTime);
    }
}