How to cast a string to any type where the type info is stored in the form of "System.Int32", "System.Color", etc?

I have some values in an xml file:

...
<Effect>
  <Type>Blur</Type>
  <Options>
    <Option Type="System.Int32">88</Option>
    <Option Type="System.Drawing.Color">Color [A=0, R=1, G=2, B=3]</Option>
  </Options>
</Effect>
...

So when I get effect.Options[0], it comes as a string "88". I want to cast it to "System.Int32". Same with effect.Options[1] where I want to cast it to "System.Drawing.Color".

Something开发者_如何转开发 like:

Converter.Convert value<object> "type"

Any ideas?

---

If you aren't married to your example XML format, look into XmlSerialization. All those details are taken care of for you on serialization and deserialization - in only a few lines of code.

---

For Colors:

System.Drawing.ColorConverter colConvert = new ColorConverter();
Color c =  (System.Drawing.Color)colConvert.ConvertFromString("#FF00EE");

though I'm not sure what kind of arguments ConvertFromString takes...

---

Something like:

    string sType = "System.Int32";//Get your type from attribute 
    string value = "88"; //Get your element 

    switch (sType)
    {
        case "System.Int32":
            int i = (int)Convert.ChangeType(value, Type.GetType("System.Int32"), CultureInfo.InvariantCulture);
            break;
        case "System.Drawing.Color" :
            Color c = (Color)Convert.ChangeType(value, Type.GetType("System.Drawing.Color"), CultureInfo.InvariantCulture);
            break;
    }

OR

for (int i = 0; i < effect.Options.Count; i++)
{
    object oResult = Convert.ChangeType(effect.Options[i], Type.GetType(effect.Options[i].Attributes["Type"].Value.ToString()), CultureInfo.InvariantCulture);
    if (oResult is int)
    {
        //Process as int
        int iTmp = (int)oResult;
    }
    else if (oResult is Color)
    {
        //process as color
        Color cTmp = (Color)oResult;
    }
}

---

switch(Type.GetType(effect.Options[0].ToString())) { case typeOf(System.Int32): int i = (System.Int32)effect.Options[0]; break; case typeOf(System.Drawing.Color): System.Drawing.Color color = (System.Drawing.Color)effect.Options[0]; break; }

if(effect.Options[0].Attributes["Type"].Value.ToString()) == "System.Int32" /*pseudo code here in this part, just showing that you need to get the type from the XML as an attribute or whatever*/)
{
    int i = (System.Int32)effect.Options[0];
}
else if(effect.Options[0].Attributes["Type"].Value.ToString()) == "System.Drawing.Color"/*pseudo code here in this part, just showing that you need to get the type from the XML as an attribute or whatever*/)
{
    System.Drawing.Color color = (System.Drawing.Color)effect.Options[0];
}