Handles.DrawCamera
static function DrawCamera(position: Rect, camera: Camera, drawMode: DrawCameraMode = DrawCameraMode.Normal): void;
static void DrawCamera(Rect position, Camera camera, DrawCameraMode drawMode = DrawCameraMode.Normal);
static def DrawCamera(position as Rect, camera as Camera, drawMode as DrawCameraMode = DrawCameraMode.Normal) as void
Parameters

position The area to draw the camera within in GUI coordinates.
camera The camera to draw.
drawMode How the camera is drawn (textured, wireframe, etc.).
Description

Draws a camera inside a rectangle.

This function alse sets Camera.current to camera. It sets the camera's pixelRect to position.

Note: Use HandleUtility.GetHandleSize where you might want to have constant screen-sized handles.