Move the cursor here, and double click the left button on the mouse.
把光标移到这儿，然后双击鼠标的左键。
To our second example program just before the call to MainLoop, the program will print out the canvas coordinates to the console whenever we click the left mouse button over the canvas window.
放到我们第二个示例程序中的MainLoop调用之前，那么当我们在画布窗口中单击鼠标左键时，画布坐标将显示在屏幕上。
Click and hold the left mouse button over the Attributes title bar in the Customize Portlets dialog.
在Customize portlets对话框中的Attributes标题栏上点击并按住鼠标左键。
应用推荐