/// <summary>
/// GetFileTypeRegInfo 得到指定文件类型关联信息
/// </summary>
public static FileTypeRegInfo GetFileTypeRegInfo(string extendName)
{
if (!FileTypeRegistered(extendName)) return null;
try
{
FileTypeRegInfo regInfo = new FileTypeRegInfo(extendName);
string relationName = extendName.Substring(1, extendName.Length - 1).ToUpper() + "_FileType";
RegistryKey relationKey = Microsoft.Win32.Registry.ClassesRoot.OpenSubKey(relationName);
regInfo.Description = relationKey.GetValue("").ToString();
RegistryKey iconKey = relationKey.OpenSubKey("DefaultIcon");
regInfo.IcoPath = iconKey.GetValue("").ToString();
RegistryKey shellKey = relationKey.OpenSubKey("Shell");
RegistryKey openKey = shellKey.OpenSubKey("Open");
RegistryKey commandKey = openKey.OpenSubKey("Command");
string temp = commandKey.GetValue("").ToString();
regInfo.ExePath = temp.Substring(0, temp.Length - 3);
return regInfo;
}
catch (Exception ex) { throw new Exception("得到后缀名关联错误。" + ex.Message); }
}
/// <summary>
/// UpdateFileTypeRegInfo 更新指定文件类型关联信息
/// </summary>
public static bool UpdateFileTypeRegInfo(FileTypeRegInfo regInfo)
{
if (!FileTypeRegistered(regInfo.ExtendName)) return false;
try
{
string extendName = regInfo.ExtendName;
string relationName = extendName.Substring(1, extendName.Length - 1).ToUpper() + "_FileType";
RegistryKey relationKey = Microsoft.Win32.Registry.ClassesRoot.OpenSubKey(relationName, true);
relationKey.SetValue("", regInfo.Description);
RegistryKey iconKey = relationKey.OpenSubKey("DefaultIcon", true);
iconKey.SetValue("", regInfo.IcoPath);
RegistryKey shellKey = relationKey.OpenSubKey("Shell");
RegistryKey openKey = shellKey.OpenSubKey("Open");
RegistryKey commandKey = openKey.OpenSubKey("Command", true);
commandKey.SetValue("", regInfo.ExePath + " %1");
relationKey.Close();
return true;
}
catch (Exception ex) { throw new Exception("更新后缀名关联错误。" + ex.Message); }
}
/// <summary>
/// RegisterFileType 使文件类型与对应的图标及应用程序关联起来。
/// </summary>
public static void RegisterFileType(FileTypeRegInfo regInfo)
{
if (FileTypeRegistered(regInfo.ExtendName)) return;
try
{
string relationName = regInfo.ExtendName.Substring(1, regInfo.ExtendName.Length - 1).ToUpper() + "_FileType";
RegistryKey fileTypeKey = Microsoft.Win32.Registry.ClassesRoot.CreateSubKey(regInfo.ExtendName);
fileTypeKey.SetValue("", relationName);
fileTypeKey.Close();
RegistryKey relationKey = Microsoft.Win32.Registry.ClassesRoot.CreateSubKey(relationName);
relationKey.SetValue("", regInfo.Description);
RegistryKey iconKey = relationKey.CreateSubKey("DefaultIcon");
iconKey.SetValue("", regInfo.IcoPath);
RegistryKey shellKey = relationKey.CreateSubKey("Shell");
RegistryKey openKey = shellKey.CreateSubKey("Open");
RegistryKey commandKey = openKey.CreateSubKey("Command");
commandKey.SetValue("", regInfo.ExePath + " %1");
relationKey.Close();
}
catch (Exception ex) { throw new Exception("设置后缀名关联错误。" + ex.Message); }
}