win-opacity

Read and write the opacity values of windows on the Windows operating system.

Example

const winOpacity = require('win-opacity');
const windows = winOpacity.getWindows();
for (const win of windows) {
  console.log(win.title); // Title on the window
  const opacity = winOpacity.getOpacity(win);
  // Make the window slightly more transparent
  winOpacity.setOpacity(win, opacity - 10);
}

Type Definitions

Definitions given in TypeScript format.

type WindowHandle = number;
interface NativeWindow {
  string title;
  WindowHandle handle;
};

API

• getWindows() -> NativeWindow[]
  • Gets all visible windows
• getOpacity(window: WindowHandle | NativeWindow) -> number
  • Returns the opacity of a window. The value will be in the range of [0-255]
• setOpacity(window: WindowHandle | NativeWindow, opacity: number) -> void
  • Sets the opacity of a window. opacity must be in the range of [0-255]