# koffi-example

**Repository Path**: fe521/koffi-example

## Basic Information

- **Project Name**: koffi-example
- **Description**: koffi 例子，koffi快速入门
- **Primary Language**: Unknown
- **License**: Not specified
- **Default Branch**: main
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2024-09-07
- **Last Updated**: 2024-09-08

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# koffi-example

## env

OS：Windows10/11

node version

```powershell
PS C:\Users\Administrator\Desktop\koffi-example> node -v
v18.14.0
PS C:\Users\Administrator\Desktop\koffi-example>
```

## install

```powershell
npm install
```

## run

### 1. 遍历所有屏幕并返回句柄 id

```powershell
node desktop.js
```

result

```powershell
PS C:\Users\Administrator\Desktop\koffi-example> node .\desktop.js
[hwnd, lParam] 1572928 0
[hwnd, lParam] 1902364 0
[hwnd, lParam] 66012 0
[hwnd, lParam] 65936 0
[hwnd, lParam] 1311860 0
[hwnd, lParam] 264564 0
[hwnd, lParam] 65796 0
[hwnd, lParam] 131240 0
[hwnd, lParam] 131244 0
[hwnd, lParam] 131250 0
[hwnd, lParam] 196668 0
...more
[hwnd, lParam] 196706 0
[hwnd, lParam] 264112 0
EnumWindowsProc [External: 247923e8cc8]
PS C:\Users\Administrator\Desktop\koffi-example>
```

### 2. 获取所有显示器的句柄 id 和坐标

```powershell
node EnumDisplayMonitors.js
```

result

```powershell
PS C:\Users\Administrator\Desktop\koffi-example> node .\EnumDisplayMonitors.js
monitors [
  {
    x: 0,
    y: 0,
    width: 2048,
    height: 1152,
    isPrimaryMonitor: true,
    workArea: { left: 0, top: 0, right: 2048, bottom: 1104 }
  },
  {
    x: 2560,
    y: 0,
    width: 1920,
    height: 1080,
    isPrimaryMonitor: false,
    workArea: { left: 2560, top: 0, right: 4480, bottom: 1032 }
  }
]
EnumDisplayMonitors: 3.331ms
```

## 中文文档

- https://docs.ffffee.com/electron/electron-koffi/koffi-官方例子.html
- https://docs.ffffee.com/electron/electron-koffi/koffi-定义回调函数.html
- https://docs.ffffee.com/electron/electron-koffi/koffi-遍历桌面返回所有窗口的句柄ID.html