AutoCAD.net（一）：更改AutoCAD窗口的标题和图标

对AutoCAD二次开发方向的发展，是我为从事.net前就有的愿望，现在.net + ObjectARX 已经形成很完美的结合，遗憾的是目前国内关于.net对 ObjectARX 开发的资料太少。我会将自己的学习经验不断的与大家分享，希望关注。

WinAPI的引用：

public class WinAPI

{

#region 宏定义

public const int WM_SETICON = 0x80;

public const int IMAGW_ICON = 1;

public const int LR_LOADFROMFILE = 0x10;

#endregion

#region WinAPI定义

[DllImport("User32.dll", EntryPoint = "SendMessage")]

public static extern int SendMessage(

int hWnd, // handle to destination window

int Msg, // message

int wParam, // first message parameter

int lParam // second message parameter

);

[DllImport("user32", EntryPoint = "LoadImage")]

public static extern int LoadImageA(int hInst, string lpsz, int un1, int n1, int n2, int un2);

[DllImport("user32", EntryPoint = "SetWindowText")]

public static extern int SetWindowTextA(int hwnd, string lpString);

#endregion

}

using System;

using System.IO;

//using Microsoft.Win32;

using System.Collections;

using System.Windows.Forms;

using System.Resources;

using Autodesk.AutoCAD.ApplicationServices;

using AcadApp = Autodesk.AutoCAD.ApplicationServices.Application;

using Autodesk.AutoCAD.Colors;

using Autodesk.AutoCAD.DatabaseServices;

using Autodesk.AutoCAD.EditorInput;

using Autodesk.AutoCAD.Geometry;

using Autodesk.AutoCAD.Runtime;

using Autodesk.AutoCAD.Windows;

using Autodesk.AutoCAD.Interop;

using Autodesk.AutoCAD.Interop.Common;

using Autodesk.AutoCAD.Customization;

public class AsdkClass1 : IExtensionApplication

{

#region 实现接口函数,完成初始化操作

//要实现这个接口，你必须实现Initialize() 和Terminate()函数。

/// <summary>

/// 初始化操作

/// </summary>

public void Initialize()

{

//--------------------

//AddContextMenu();

//AddToolbar();

//AddMenuBar();

SetTitle();

SetIcon();

//--------------------

}

/// <summary>

/// 清除操作

/// </summary>

public void Terminate()

{

}

#endregion

#region 更改AutoCAD窗口的标题和图标

/// <summary>

/// 更改AutoCAD窗口的标题名称

/// </summary>

private void SetTitle()

{

AcadApplication acadApp = AcadApp.AcadApplication as AcadApplication;

int AcadHwnd = acadApp.HWND;//获取AutoCAD应用程序的窗口句柄

WinAPI.SetWindowTextA(AcadHwnd, "明信供电CAD 2.0");

}

/// <summary>

/// 更改AutoCAD窗口的图标

/// </summary>

private void SetIcon()

{

AcadApplication acadApp = AcadApp.AcadApplication as AcadApplication;

int AcadHwnd = acadApp.HWND;//获取AutoCAD应用程序的窗口句柄

string path = acadApp.Path;

//从文件载入图标(16*16大小)

string FileName = "G:\\cad.ico";

if (File.Exists(FileName))

{

int hIcon = WinAPI.LoadImageA(0, FileName, WinAPI.IMAGW_ICON, 16, 16, WinAPI.LR_LOADFROMFILE);

if (hIcon != 0)

{

WinAPI.SendMessage(AcadHwnd, WinAPI.WM_SETICON, 0, hIcon);

}

}

}

#endregion

}

效果图：