DragAndDrop.StartDrag 开始拖放

# [DragAndDrop](DragAndDrop.html).StartDrag 开始拖放

static function *StartDrag* (*title* : string) : void

*Description* 描述

Start a drag operation.

开始一个拖放操作。

Initiates a drag operation with the current drag object state. Use [paths](DragAndDrop.paths.html) and/or [objectReferences](DragAndDrop.objectReferences.html) to setup drag
state.

初始一个拖拽操作，带有当前拖拽物体的状态。使用 [paths](DragAndDrop.paths.html) 和/或 [objectReferences](DragAndDrop.objectReferences.html) 设置拖拽状态。

参见：[StartDrag](DragAndDrop.StartDrag.html), [paths](DragAndDrop.paths.html), [objectReferences](DragAndDrop.objectReferences.html).

```
function OnGUI () {
	if (Event.current.type == EventType.MouseDrag) {
		// Clear out drag data
		//清除拖放数据
		DragAndDrop.PrepareStartDrag ();

// Set up what we want to drag
		//设置拖放物体
		DragAndDrop.paths = [ "/Users/joe/myPath.txt" ];

// Start the actual drag
		//开始实际拖放
		DragAndDrop.StartDrag ("Dragging title");

// Make sure no one uses the event after us
		//确保之后没有东西使用这个事件
		Event.current.Use();
	}
}
```