C#获取USB事件API实例分析
本文实例讲述了C#获取USB事件API。分享给大家供大家参考。具体如下:
constintWM_DEVICECHANGE=0x2190; constintDBT_DEVICEARRIVAL=0x8000; constintDBT_DEVICEREMOVECOMPLETE=0x8004; protectedoverridevoidWndProc(refMessagem) { try { //if(m.Msg==WM_DEVICECHANGE) //{ switch(m.WParam.ToInt32()) { caseDBT_DEVICEARRIVAL://U盘插入 DriveInfo[]s=DriveInfo.GetDrives(); foreach(DriveInfodriveins) { if(drive.DriveType==DriveType.Removable) { Console.WriteLine("USB插入"); break; } } break; caseDBT_DEVICEREMOVECOMPLETE://U盘卸载 // Console.WriteLine("USB卸载"); break; default: break; } //} } catch(Exceptionex) { MessageBox.Show(ex.Message); } base.WndProc(refm); }
希望本文所述对大家的C#程序设计有所帮助。