我使用以下法典:
WMPEqualizerSettingsCtrl eq = null;
eq.enhancedAudio = true;
但我有一个错误:
反对不指标的。
是的,在宣布时,你将<条码>以下的物体定为<条码>。 这是例外的产物:你可以确定一个不存在的物体的特性!
如果你想设立<代码>的例子。 WMPEqualizerSettingsCtrl category, Just use new/code>:
WMPEqualizerSettingsCtrl eq = new WMPEqualizerSettingsCtrl();
eq.enhancedAudio = true; // now eq exists, so it won t throw an exception!
I don t know exactly what the WMPEqualizerSettingsCtrl class is, but you might need to pass some parameters to the constructor. Those provide the class with additional information about exactly how you want it to be created.
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