質問編集履歴
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PowerGetActiveScheme関数の返り値について、電源プランの変更
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@@ -58,3 +58,43 @@
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Python 公式ドキュメント (ctypes --- Pythonのための外部関数ライブラリ)
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https://docs.python.org/ja/3/library/ctypes.html
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### 追記
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PowerGetActiveScheme関数の返り値は0です。
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ご教示願います。
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また、以下のようにして電源プランの変更は行えるようです。
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``` python
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from ctypes import *
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70
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class GUID(Structure):
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_fields_ = [("Data1", c_ulong),
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("Data2", c_ushort),
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("Data3", c_ushort),
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("Data4", c_ubyte * 8)]
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# PowrProf.dllをロード
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powersetting = WinDLL("PowrProf")
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# GUID構造体を作成
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array = c_ubyte*8
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high_performance = GUID(c_ulong(0x8c5e7fda),
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0xe8bf,
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85
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0x4a96,
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array(0x9a,0x85,0xa6,0xe2,0x3a,0x8c,0x63,0x5c))
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power_save = GUID(c_ulong(0xa1841308),
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0x3541,
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0x4fab,
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array(0xbc,0x81,0xf7,0x15,0x56,0xf2,0x0b,0x4a))
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balance = GUID(c_ulong(0x381b4222),
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0xf694,
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0x41f0,
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array(0x96,0x85,0xff,0x5b,0xb2,0x60,0xdf,0x2e))
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# 電源プランを高パフォーマンスに設定
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powersetting.PowerSetActiveScheme(None,byref(high_performance))
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```
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