csdn技术中心 实战deviceiocontrol 之二：获取软盘-硬盘-光盘的参数.mht

来自「DeviceIOControl实战演示及源代码」· MHT 代码 · 共 1,381 行 · 第 1/5 页

}
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SPAN.key {
	COLOR: #0000ff
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SPAN.num {
	COLOR: #800000
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SPAN.str {
	COLOR: #8b008b
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SPAN.rem {
	COLOR: #008000
}
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            <P=20
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=D2=BB=D0=A9=BF=C9=D2=C6=B6=AF=C3=BD=BD=E9=C8=E7CD/DVD-ROM=A1=A2TAPE=B5=C8=
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            <P class=3Dbhw98><STRONG class=3Dbhw98>A</STRONG>=20
            =
DeviceIoControl=CA=B9=D3=C3=D5=E2=C1=BD=B8=F6=BF=D8=D6=C6=C2=EB=CA=B1=A3=AC=
=B6=BC=B2=BB=D0=E8=D2=AA=CA=E4=C8=EB=CA=FD=BE=DD=A1=A3=20
            <P =
class=3Dbhw98>IOCTL_DISK_GET_DRIVE_GEOMETRY=D6=B1=BD=D3=CA=E4=B3=F6=D2=BB=
=B8=F6DISK_GEOMETRY=BD=E1=B9=B9=A3=BA <PRE class=3Dbhw98><CODE =
class=3Dbhw98><SPAN class=3Dkey>typedef struct</SPAN> _DISK_GEOMETRY {
    LARGE_INTEGER Cylinders;   <SPAN class=3Drem>// =
=D6=F9=C3=E6=CA=FD</SPAN>
    MEDIA_TYPE MediaType;      <SPAN class=3Drem>// =
=BD=E9=D6=CA=C0=E0=D0=CD</SPAN>
    DWORD TracksPerCylinder;   <SPAN class=3Drem>// =
=C3=BF=D6=F9=C3=E6=B5=C4=B4=C5=B5=C0=CA=FD</SPAN>
    DWORD SectorsPerTrack;     <SPAN class=3Drem>// =
=C3=BF=B4=C5=B5=C0=B5=C4=C9=C8=C7=F8=CA=FD</SPAN>
    DWORD BytesPerSector;      <SPAN class=3Drem>// =
=C3=BF=C9=C8=C7=F8=B5=C4=D7=D6=BD=DA=CA=FD</SPAN>
} DISK_GEOMETRY;
</CODE></PRE>
            <P=20
            =
class=3Dbhw98>IOCTL_STORAGE_GET_MEDIA_TYPES_EX=CA=E4=B3=F6=D2=BB=B8=F6GET=
_MEDIA_TYPES=BD=E1=B9=B9=A3=BA <PRE class=3Dbhw98><CODE =
class=3Dbhw98><SPAN class=3Dkey>typedef struct</SPAN> _GET_MEDIA_TYPES {
    DWORD DeviceType;               <SPAN class=3Drem>// =
=C9=E8=B1=B8=C0=E0=D0=CD</SPAN>
    DWORD MediaInfoCount;           <SPAN class=3Drem>// =
=BD=E9=D6=CA=D0=C5=CF=A2=CC=F5=CA=FD</SPAN>
    DEVICE_MEDIA_INFO MediaInfo[<SPAN class=3Dnum>1</SPAN>]; <SPAN =
class=3Drem>// =BD=E9=D6=CA=D0=C5=CF=A2</SPAN>
} GET_MEDIA_TYPES;
</CODE></PRE>
            <P =
class=3Dbhw98>=C8=C3=CE=D2=C3=C7=C0=B4=BF=B4=D2=BB=CF=C2DEVICE_MEDIA_INFO=
=BD=E1=B9=B9=B5=C4=B6=A8=D2=E5=A3=BA <PRE class=3Dbhw98><CODE =
class=3Dbhw98><SPAN class=3Dkey>typedef struct</SPAN> _DEVICE_MEDIA_INFO =
{
    <SPAN class=3Dkey>union</SPAN> {
        <SPAN class=3Dkey>struct</SPAN> {
            LARGE_INTEGER Cylinders;       <SPAN class=3Drem>// =
=D6=F9=C3=E6=CA=FD</SPAN>
            STORAGE_MEDIA_TYPE MediaType;  <SPAN class=3Drem>// =
=BD=E9=D6=CA=C0=E0=D0=CD</SPAN>
            DWORD TracksPerCylinder;       <SPAN class=3Drem>// =
=C3=BF=D6=F9=C3=E6=B5=C4=B4=C5=B5=C0=CA=FD</SPAN>
            DWORD SectorsPerTrack;         <SPAN class=3Drem>// =
=C3=BF=B4=C5=B5=C0=B5=C4=C9=C8=C7=F8=CA=FD</SPAN>
            DWORD BytesPerSector;          <SPAN class=3Drem>// =
=C3=BF=C9=C8=C7=F8=B5=C4=D7=D6=BD=DA=CA=FD</SPAN>
            DWORD NumberMediaSides;        <SPAN class=3Drem>// =
=BD=E9=D6=CA=C3=E6=CA=FD</SPAN>
            DWORD MediaCharacteristics;    <SPAN class=3Drem>// =
=BD=E9=D6=CA=CC=D8=D0=D4</SPAN>
        } DiskInfo;            <SPAN class=3Drem>// =
=D3=B2=C5=CC=D0=C5=CF=A2</SPAN>
        <SPAN class=3Dkey>struct</SPAN> {
            LARGE_INTEGER Cylinders;       <SPAN class=3Drem>// =
=D6=F9=C3=E6=CA=FD</SPAN>
            STORAGE_MEDIA_TYPE MediaType;  <SPAN class=3Drem>// =
=BD=E9=D6=CA=C0=E0=D0=CD</SPAN>
            DWORD TracksPerCylinder;       <SPAN class=3Drem>// =
=C3=BF=D6=F9=C3=E6=B5=C4=B4=C5=B5=C0=CA=FD</SPAN>
            DWORD SectorsPerTrack;         <SPAN class=3Drem>// =
=C3=BF=B4=C5=B5=C0=B5=C4=C9=C8=C7=F8=CA=FD</SPAN>
            DWORD BytesPerSector;          <SPAN class=3Drem>// =
=C3=BF=C9=C8=C7=F8=B5=C4=D7=D6=BD=DA=CA=FD</SPAN>
            DWORD NumberMediaSides;        <SPAN class=3Drem>// =
=BD=E9=D6=CA=C3=E6=CA=FD</SPAN>
            DWORD MediaCharacteristics;    <SPAN class=3Drem>// =
=BD=E9=D6=CA=CC=D8=D0=D4</SPAN>
        } RemovableDiskInfo;   <SPAN class=3Drem>// =
=A1=B0=BF=C9=D2=C6=B6=AF=C5=CC=A1=B1=D0=C5=CF=A2</SPAN>
        <SPAN class=3Dkey>struct</SPAN> {
            STORAGE_MEDIA_TYPE MediaType;  <SPAN class=3Drem>// =
=BD=E9=D6=CA=C0=E0=D0=CD</SPAN>
            DWORD   MediaCharacteristics;  <SPAN class=3Drem>// =
=BD=E9=D6=CA=CC=D8=D0=D4</SPAN>
            DWORD   CurrentBlockSize;      <SPAN class=3Drem>// =
=BF=E9=B5=C4=B4=F3=D0=A1</SPAN>
        } TapeInfo;           <SPAN class=3Drem>// =
=B4=C5=B4=F8=D0=C5=CF=A2</SPAN>
    } DeviceSpecific;
} DEVICE_MEDIA_INFO;
</CODE></PRE>
            <P=20
            =
class=3Dbhw98>=C6=E4=D6=D0CD-ROM=CA=F4=D3=DA=A1=B0=BF=C9=D2=C6=B6=AF=C5=CC=
=A1=B1=B5=C4=B7=B6=CE=A7=A1=A3=C7=EB=D7=A2=D2=E2=A3=ACGET_MEDIA_TYPES=BD=E1=
=B9=B9=B1=BE=C9=ED=D6=BB=B6=A8=D2=E5=C1=CB=D2=BB=CC=F5DEVICE_MEDIA_INFO=A3=
=AC=B6=EE=CD=E2=B5=C4DEVICE_MEDIA_INFO=D0=E8=D2=AA=BD=F4=BD=D3=B4=CB=BD=E1=
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            =
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=ED=C5=CC/=D3=B2=C5=CC/=B9=E2=C5=CC=B5=C4=B2=CE=CA=FD=A1=A3=B2=E2=CA=D4=CA=
=B1=A3=AC=BC=C7=B5=C3=D2=AA=D3=D0=C8=ED=C5=CC/=B9=E2=C5=CC=B2=E5=D4=DA=C7=
=FD=B6=AF=C6=F7=C0=EF=E0=B8=A3=A1=20
            <P class=3Dbhw98>=CA=D7=CF=C8=A3=AC=D3=C3MFC=20
            =
AppWizard=C9=FA=B3=C9=D2=BB=B8=F6=B5=A5=CE=C4=B5=B5=B5=C4=D3=A6=D3=C3=B3=CC=
=D0=F2=A3=AC=C8=A1=C3=FB=CE=AADiskGeometry=A3=AC=C8=C3=CB=FC=B5=C4View=BB=
=F9=D3=DACEditView=A1=A3=20
            <P =
class=3Dbhw98>=C8=BB=BA=F3=A3=AC=CC=ED=BC=D3=D2=D4=CF=C2=B5=C4.h=BA=CD.cp=
p=CE=C4=BC=FE=A1=A3 <PRE class=3Dbhw98><CODE class=3Dbhw98><SPAN =
class=3Drem>/////////////////////////////////////////////////////////////=
/////////////////
// GetDiskGeometry.h
/////////////////////////////////////////////////////////////////////////=
/////</SPAN>
 =20
<SPAN class=3Dkey>#if</SPAN> !<SPAN =
class=3Dkey>defined</SPAN>(GET_DISK_GEOMETRY_H__)
<SPAN class=3Dkey>#define</SPAN> GET_DISK_GEOMETRY_H__
 =20
<SPAN class=3Dkey>#if</SPAN> _MSC_VER &gt; <SPAN class=3Dnum>1000</SPAN>
<SPAN class=3Dkey>#pragma once</SPAN>
<SPAN class=3Dkey>#endif</SPAN> <SPAN class=3Drem>// _MSC_VER &gt; =
1000</SPAN>
 =20
<SPAN class=3Dkey>#include</SPAN> <SPAN =
class=3Dstr>&lt;winioctl.h&gt;</SPAN>
 =20
BOOL GetDriveGeometry(<SPAN class=3Dkey>const char</SPAN>* filename, =
DISK_GEOMETRY *pdg);
 =20
<SPAN class=3Dkey>#endif</SPAN> <SPAN class=3Drem>// =
!defined(GET_DISK_GEOMETRY_H__)</SPAN>
 =20
<SPAN =
class=3Drem>/////////////////////////////////////////////////////////////=
/////////////////
// GetDiskGeometry.cpp
/////////////////////////////////////////////////////////////////////////=
/////</SPAN>
 =20
<SPAN class=3Dkey>#include</SPAN> <SPAN class=3Dstr>"stdafx.h"</SPAN>
<SPAN class=3Dkey>#include</SPAN> <SPAN =
class=3Dstr>"GetDiskGeometry.h"</SPAN>
 =20
<SPAN class=3Drem>// =
IOCTL_STORAGE_GET_MEDIA_TYPES_EX=BF=C9=C4=DC=B7=B5=BB=D8=B2=BB=D6=B9=D2=BB=
=CC=F5DEVICE_MEDIA_INFO=A3=AC=B9=CA=B6=A8=D2=E5=D7=E3=B9=BB=B5=C4=BF=D5=BC=
=E4</SPAN>
<SPAN class=3Dkey>#define</SPAN> MEDIA_INFO_SIZE    <SPAN =
class=3Dkey>sizeof</SPAN>(GET_MEDIA_TYPES)+<SPAN =
class=3Dnum>15</SPAN>*<SPAN class=3Dkey>sizeof</SPAN>(DEVICE_MEDIA_INFO)
 =20
<SPAN class=3Drem>// filename -- =
=D3=C3=D3=DA=C9=E8=B1=B8=B5=C4=CE=C4=BC=FE=C3=FB
// pdg -- =B2=CE=CA=FD=BB=BA=B3=E5=C7=F8=D6=B8=D5=EB</SPAN>
BOOL GetDriveGeometry(<SPAN class=3Dkey>const char</SPAN>* filename, =
DISK_GEOMETRY *pdg)
{
    HANDLE hDevice;         <SPAN class=3Drem>// =
=C9=E8=B1=B8=BE=E4=B1=FA</SPAN>
    BOOL bResult;           <SPAN class=3Drem>// =
DeviceIoControl=B5=C4=B7=B5=BB=D8=BD=E1=B9=FB</SPAN>
    GET_MEDIA_TYPES *pmt;   <SPAN class=3Drem>// =
=C4=DA=B2=BF=D3=C3=B5=C4=CA=E4=B3=F6=BB=BA=B3=E5=C7=F8</SPAN>
    DWORD dwOutBytes;       <SPAN class=3Drem>// =
=CA=E4=B3=F6=CA=FD=BE=DD=B3=A4=B6=C8</SPAN>
 =20
    <SPAN class=3Drem>// =B4=F2=BF=AA=C9=E8=B1=B8</SPAN>
    hDevice =3D ::CreateFile(filename,           <SPAN class=3Drem>// =
=CE=C4=BC=FE=C3=FB</SPAN>
        GENERIC_READ,                          <SPAN class=3Drem>// =
=C8=ED=C7=FD=D0=E8=D2=AA=B6=C1=C5=CC</SPAN>
        FILE_SHARE_READ | FILE_SHARE_WRITE,    <SPAN class=3Drem>// =
=B9=B2=CF=ED=B7=BD=CA=BD</SPAN>
        NULL,                                  <SPAN class=3Drem>// =
=C4=AC=C8=CF=B5=C4=B0=B2=C8=AB=C3=E8=CA=F6=B7=FB</SPAN>
        OPEN_EXISTING,                         <SPAN class=3Drem>// =
=B4=B4=BD=A8=B7=BD=CA=BD</SPAN>
        <SPAN class=3Dnum>0</SPAN>,                                     =
<SPAN class=3Drem>// =
=B2=BB=D0=E8=C9=E8=D6=C3=CE=C4=BC=FE=CA=F4=D0=D4</SPAN>
        NULL);                                 <SPAN class=3Drem>// =
=B2=BB=D0=E8=B2=CE=D5=D5=C4=A3=B0=E5=CE=C4=BC=FE</SPAN>
 =20
    <SPAN class=3Dkey>if</SPAN> (hDevice =3D=3D INVALID_HANDLE_VALUE)
    {
        <SPAN class=3Drem>// =
=C9=E8=B1=B8=CE=DE=B7=A8=B4=F2=BF=AA...</SPAN>
        <SPAN class=3Dkey>return</SPAN> FALSE;
    }
 =20
    <SPAN class=3Drem>// =
=D3=C3IOCTL_DISK_GET_DRIVE_GEOMETRY=C8=A1=B4=C5=C5=CC=B2=CE=CA=FD</SPAN>
    bResult =3D ::DeviceIoControl(hDevice,       <SPAN class=3Drem>// =
=C9=E8=B1=B8=BE=E4=B1=FA</SPAN>
        IOCTL_DISK_GET_DRIVE_GEOMETRY,         <SPAN class=3Drem>// =
=C8=A1=B4=C5=C5=CC=B2=CE=CA=FD</SPAN>
        NULL, <SPAN class=3Dnum>0</SPAN>,                               =
<SPAN class=3Drem>// =B2=BB=D0=E8=D2=AA=CA=E4=C8=EB=CA=FD=BE=DD</SPAN>
        pdg, sizeof(DISK_GEOMETRY),            <SPAN class=3Drem>// =
=CA=E4=B3=F6=CA=FD=BE=DD=BB=BA=B3=E5=C7=F8</SPAN>
        &amp;dwOutBytes,                           <SPAN class=3Drem>// =
=CA=E4=B3=F6=CA=FD=BE=DD=B3=A4=B6=C8</SPAN>
        (LPOVERLAPPED)NULL);                   <SPAN class=3Drem>// =
=D3=C3=CD=AC=B2=BDI/O</SPAN>
 =20
    <SPAN class=3Drem>// =
=C8=E7=B9=FB=CA=A7=B0=DC=A3=AC=D4=D9=D3=C3IOCTL_STORAGE_GET_MEDIA_TYPES_E=
X=C8=A1=BD=E9=D6=CA=C0=E0=D0=CD=B2=CE=CA=FD</SPAN>
    <SPAN class=3Dkey>if</SPAN> (!bResult)
    {
        pmt =3D (GET_MEDIA_TYPES *)<SPAN class=3Dkey>new</SPAN> =
BYTE[MEDIA_INFO_SIZE];
 =20
        bResult =3D ::DeviceIoControl(hDevice,    <SPAN class=3Drem>// =
=C9=E8=B1=B8=BE=E4=B1=FA</SPAN>
            IOCTL_STORAGE_GET_MEDIA_TYPES_EX,   <SPAN class=3Drem>// =
=C8=A1=BD=E9=D6=CA=C0=E0=D0=CD=B2=CE=CA=FD</SPAN>
            NULL, <SPAN class=3Dnum>0</SPAN>,                            =