第1个回答 2013-11-06
实际上思路比较简单,主要是通过ToolboxItem特性提供自定义的ToolboxItem类来修改工具箱中的控件的初始化工程,只需要继承ToolboxItem类,重写CreateComponentsCore方法就可以实现了:[ToolboxItem(typeof(DemoToolboxItem))]public class MyTabControl : TabControl{}[Serializable] //ToolboxItem必须是可序列化的class DemoToolboxItem : ToolboxItem{// The add components dialog in VS looks for a public// ctor that takes a type.public DemoToolboxItem(Type toolType): base(toolType){}// And you must provide this special constructor for serialization.// If you add additional data to MyToolboxItem that you// want to serialize, you may override Deserialize and// Serialize methods to add that data.DemoToolboxItem(SerializationInfo info, StreamingContext context){Deserialize(info, context);}// This implementation sets the new control's Text and// AutoSize properties.protected override IComponent[] CreateComponentsCore(IDesignerHost host,IDictionary defaultValues){IComponent[] comps = base.CreateComponentsCore(host, defaultValues);MessageBox.Show(((MyTabControl)comps[0]).TabPages.Count.ToString());((MyTabControl)comps[0]).TabPages.RemoveAt(0);//去掉默认添加的TabPage本回答被提问者采纳