C#获取软件图标

最新推荐文章于 2024-09-06 13:26:12 发布

转载最新推荐文章于 2024-09-06 13:26:12 发布 · 256 阅读

0 ·

CC 4.0 BY-SA版权

原文链接：http://www.cnblogs.com/longle/archive/2011/06/04/2072908.html

文章标签：

#c# #runtime #shell

本文介绍了使用C#和.NET Framework获取文件的小图标，并通过OpenFileDialog和Icon类将其转换为Bitmap进行显示的方法。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

using System;
using System.Collections.Generic;
using System.Drawing;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.IO;
namespace ShowIcon
{
[StructLayout( LayoutKind.Sequential)]
public struct FileInfomation
{
public IntPtr hIcon;
public int iIcon;
public int dwAttributes;

[ MarshalAs( UnmanagedType.ByValTStr, SizeConst = 260 )]
public string szDisplayName;

[ MarshalAs( UnmanagedType.ByValTStr, SizeConst = 80 )]
public string szTypeName;
}

/// <summary>
/// Description of MainForm.
/// </summary>
public partial class MainForm
{
[STAThread]
public static void Main(string[] args)
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new MainForm());
}

[DllImport("shell32.dll", EntryPoint="SHGetFileInfo")]
public static extern int GetFileInfo(string pszPath, int dwFileAttributes, ref FileInfomation psfi, int cbFileInfo,int uFlags);
public MainForm()
{
//
// The InitializeComponent() call is required for Windows Forms designer support.
//
InitializeComponent();

//
// TODO: Add constructor code after the InitializeComponent() call.
//
}
public static Icon GetSmallIcon(string path)
{
FileInfomation _info = new FileInfomation();

GetFileInfo(path, 0, ref _info, Marshal.SizeOf(_info), (int)(0x000000100| 0x000000001));
try
{
return Icon.FromHandle(_info.hIcon);
}
catch
{
return null;
}
}
void Button1Click(object sender, System.EventArgs e)
{
this.openFileDialog1.ShowDialog();
}

void OpenFileDialog1FileOk(object sender, System.ComponentModel.CancelEventArgs e)
{
this.textBox1.Text=this.openFileDialog1.FileName;
this.pictureBox1.Image=GetSmallIcon(this.openFileDialog1.FileName).ToBitmap();
}
}

}

转载于:https://www.cnblogs.com/longle/archive/2011/06/04/2072908.html