前缀                                     类别

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CS                                       类风格选项
CW                                      创建窗口选项
DT                                       绘制文本选项
IDI                                       图标ID号
IDC                                      光标ID号
MB                                       消息框选项
SND                                     声音选项
WM                                      窗口消息
WS                                      窗口风格

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