this.textBox1_KeyPress  += System.Windows.Forms.KeyPressEventHandler(this.textBox1_KeyPress);
这一行错误,如何修正错误 1 “System.Windows.Forms.KeyPressEventHandler”是一个“类型”,这在给定的上下文中无效 D:\My Documents\Visual Studio 2005\Projects\WindowsApplication60\WindowsApplication60\Form1.cs 16 61 WindowsApplication60