C#调用Cards.dll实现图形化发牌程序

1. using System;
2. using System.Collections.Generic;
3. using System.ComponentModel;
4. using System.Data;
5. using System.Drawing;
6. using System.Text;
7. using System.Windows.Forms;
8. using System.Runtime.InteropServices;
9. using System.Windows.Forms.Design;
10. namespace GetCards
11. {
12.     public partial class Form1 : Form
13.      {
14.          [DllImport("cards.dll")]
15.         public static extern bool cdtInit(ref int width, ref int height);
16.          [DllImport("cards.dll")]
17.         public static extern void cdtTerm();
18.          [DllImport("cards.dll")]
19.         public static extern bool cdtDraw(IntPtr hdc,int x,int y,int card,int mode,long color);
20.         //mode=0表正面,1表反面,Color我从0-0xFF000试了很多,好象没颜色改变
21.         //[DllImport("cards.dll")]
22.         //public static extern bool cdtDrawExt(IntPtr hdc,int x,int y,int dx,int dy,int card,int type,long color);
23.    &nb