1. Problem Description:
As shown, click the Modify button, I want to change the size of the form, I wrote:
this.width = 500;
The results obtained in the figure, "the present effects", you can see the button disappeared, in fact, a wide canvas into a 500, but the form did not changed.
Drag the form large, you can get "I want results," you can see the buttons is gone to right.
Could i change the form size when i click the button?
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