回答編集履歴
3
誤った回答をしたため非表示にした．
test
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誤ったソースコードを貼り付けたため，混乱を招かぬように削除しました．
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[tkinter canvas image is not displayed in class
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](https://stackoverflow.com/questions/16846469/tkinter-canvas-image-is-not-displayed-in-class)
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このサイトをもとにプログラムを書き換えたらできました．
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```Python
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import tkinter as tk
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class App:
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def __init__(self, win):
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self.win = win
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self.win.geometry("500x500")
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self.view_create()
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def view_create(self):
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self.win.rowconfigure(0, weight=1)
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self.win.columnconfigure(0, weight=1)
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self.imgfile = "c:/Users/ユーザ名/Desktop/test/test.png"
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self.canvas = tk.Canvas(self.win)
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self.canvas.grid(row=0, column=0, sticky="nsew")
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self.canvas.background = tk.PhotoImage(self.imgfile)
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self.canvas.create_image(0, 0, image=self.canvas.background, anchor=tk.NW)
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if __name__ == "__main__":
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win = tk.Tk()
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申し訳ないです．
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win.mainloop()
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```
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2
コピペミス
test
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self.canvas.grid(row=0, column=0, sticky="nsew")
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self.canvas.background = tk.PhotoImage(
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self.canvas.background = tk.PhotoImage(self.imgfile)
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self.canvas.create_image(0, 0, image=self.canvas.background, anchor=tk.NW)
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コメントアウト取り消し
test
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self.canvas.background = tk.PhotoImage(file=self.imgfile)
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self.canvas.create_image(0, 0, image=self.canvas.background, anchor=tk.NW)
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