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LWA_COLORKEY在透明的文本上留下蒙版颜色。是否可以将其移除并使透明整洁干净?

Form1.Color:=clAqua;
SetWindowLong(Form1.Handle, GWL_EXSTYLE,  GetWindowLong(Form1.Handle, 
    GWL_EXSTYLE) or WS_EX_LAYERED );
SetLayeredWindowAttributes(Form1.Handle, Form1.Color, 0, LWA_COLORKEY);

https://imgur.com/IQ2yP3b它要离开了clAqua

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