Head first C # Chinese Version chapter 13th controls and graphics page610

 

 

It is time to solve the minor fault in the honeycomb simulator. Use double buffering to make the simulator look better.

① Change the runframe of the main form
() Method

You need to remove the Renderer. recder
() And add two
Invalidate
() Call.

 

② Add another timer to the main form
To fan the wings of a bee

Drag a timer
Go to the main form and set its
Interval
Is
150
, Set its
Enabled
Is
True
. Double-click it and add the following event handling method:

 

Then, set this animatebees
() Add the method to the Renderer to fan the wings of the bee: