public static bool UninstallDriver(out bool needRestart, out string failureReason)
{
failureReason = null;
ulong wdfCallResult = 0;
bool result = true;
needRestart = false;
string mydir;
if (ExtractDriverFiles(out mydir))
{
IntPtr wdfPreDeviceInstallPtr;
IntPtr wdfPostDeviceInstallPtr;
IntPtr wdfPreDeviceRemovePtr;
IntPtr wdfPostDeviceRemovePtr;
bool procAddressFailure;
IntPtr hModule = GetCoinstallerFuncs(mydir, out wdfPreDeviceInstallPtr, out wdfPostDeviceInstallPtr, out wdfPreDeviceRemovePtr, out wdfPostDeviceRemovePtr, out procAddressFailure);
if (!procAddressFailure)
{
// call WdfPreDeviceRemove
WdfCoinstallInvoker preDevRemove = (WdfCoinstallInvoker)Marshal.GetDelegateForFunctionPointer(wdfPreDeviceRemovePtr, typeof(WdfCoinstallInvoker));
wdfCallResult = preDevRemove(Path.Combine(mydir, infFile), wdfInfSection);
if (wdfCallResult != 0)
{
result = false;
failureReason = string.Format("{0} result = 0x{1:X}", wdfPreDeviceRemove, wdfCallResult);
}
else
{
// run dpinst
string inffile = Path.Combine(mydir, infFile);
Process p = Process.Start(Path.Combine(mydir, dpinstFile), string.Format("/u \"{0}\" /d /q", inffile));
p.WaitForExit();
if (((p.ExitCode >> 24) & 0x40) == 0x40)
{
needRestart = true;
}
if (((p.ExitCode >> 24) & 0x80) == 0x80)
{
result = false;
failureReason = string.Format("DPInst result = 0x{0:X}", p.ExitCode);
}
else
{
// call WdfPostDeviceRemove
WdfCoinstallInvoker postDevRemove = (WdfCoinstallInvoker)Marshal.GetDelegateForFunctionPointer(wdfPostDeviceRemovePtr, typeof(WdfCoinstallInvoker));
wdfCallResult = postDevRemove(Path.Combine(mydir, infFile), wdfInfSection);
if (wdfCallResult != 0)
{
result = false;
failureReason = string.Format("{0} result = 0x{1:X}", wdfPostDeviceRemove, wdfCallResult);
}
}
}
}
else
{
result = false;
failureReason = "Error getting WDF coinstaller function addresses";
}
// free coinstaller library
FreeLibrary(hModule);
// delete extracted files
if (Directory.Exists(mydir))
{
Directory.Delete(mydir, true);
}
}
else
{
result = false;
failureReason = "ExtractDriverFiles failed";
}
return(result);
}
// 卸载本软件驱动
public static bool UninstallDriver(out bool needRestart, out string failureReason)
{
failureReason = null;
ulong wdfCallResult = 0;
bool result = true;
needRestart = false;
string mydir;
if (ExtractDriverFiles(out mydir))
{
IntPtr wdfPreDeviceInstallPtr;
IntPtr wdfPostDeviceInstallPtr;
IntPtr wdfPreDeviceRemovePtr;
IntPtr wdfPostDeviceRemovePtr;
bool procAddressFailure;
// 加载 WdfCoInstaller 函数
IntPtr hModule = GetCoinstallerFuncs(mydir, out wdfPreDeviceInstallPtr, out wdfPostDeviceInstallPtr, out wdfPreDeviceRemovePtr, out wdfPostDeviceRemovePtr, out procAddressFailure);
if (!procAddressFailure)
{
// 调用 WdfPreDeviceRemove
WdfCoinstallInvoker preDevRemove = (WdfCoinstallInvoker)Marshal.GetDelegateForFunctionPointer(wdfPreDeviceRemovePtr, typeof(WdfCoinstallInvoker));
wdfCallResult = preDevRemove(Path.Combine(mydir, infFile), wdfInfSection);
if (wdfCallResult != 0)
{
result = false;
failureReason = string.Format("{0} 处理结果 = 0x{1:X}", wdfPreDeviceRemove, wdfCallResult);
}
else
{
// 运行 Dpinst.exe 并等待
string inffile = Path.Combine(mydir, infFile);
Process p = Process.Start(Path.Combine(mydir, dpinstFile), string.Format("/u \"{0}\" /d /q", inffile));
p.WaitForExit();
if (((p.ExitCode >> 24) & 0x40) == 0x40)
needRestart = true;
if (((p.ExitCode >> 24) & 0x80) == 0x80)
{
result = false;
failureReason = string.Format("DPInst 处理结果 = 0x{0:X}", p.ExitCode);
}
else
{
// 调用 WdfPostDeviceRemove
WdfCoinstallInvoker postDevRemove = (WdfCoinstallInvoker)Marshal.GetDelegateForFunctionPointer(wdfPostDeviceRemovePtr, typeof(WdfCoinstallInvoker));
wdfCallResult = postDevRemove(Path.Combine(mydir, infFile), wdfInfSection);
if (wdfCallResult != 0)
{
result = false;
failureReason = string.Format("{0} 处理结果 = 0x{1:X}", wdfPostDeviceRemove, wdfCallResult);
}
}
}
}
else
{
result = false;
failureReason = "获取 WdfCoInstaller 库文件函数路径失败，驱动未正常卸载...";
}
// 释放 WdfCoInstaller 库
FreeLibrary(hModule);
// 删除临时文件
if (Directory.Exists(mydir))
Directory.Delete(mydir, true);
}
else
{
result = false;
failureReason = "解压驱动文件失败，驱动未能正常卸载...";
}
return result;
}
