C#根据字体名通过注册表获取该字体文件路径(win10)两种方法推荐第二种

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方法一:

直接先上源码:

private System.Collections.Generic.SortedDictionary<string, string> ReadFontInformation()
{
var dictionary = new System.Collections.Generic.SortedDictionary<string, string>(); Microsoft.Win32.RegistryKey localMachineKey = Microsoft.Win32.Registry.LocalMachine;
// 打开注册表
Microsoft.Win32.RegistryKey localMachineKeySub = localMachineKey.OpenSubKey("SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Fonts", false); //获取字体名
string[] mynames = localMachineKeySub.GetValueNames(); foreach (string name in mynames)
{
//获取字体的文件名
string myvalue = localMachineKeySub.GetValue(name).ToString(); if (myvalue.Substring(myvalue.Length - 4).ToUpper() == ".TTF" && myvalue.Substring(1, 2).ToUpper() != @":\")
{
string val = name.Substring(0, name.Length - 11);
dictionary[val] = myvalue;
}
}
localMachineKeySub.Close();
return dictionary;
}

解决思路:

1. 打开windows/fonts目录, 右键下图, 勾选字体文件名称, 发现其实字体文件名称和显示的名称是有区别的

2. 然后去注册表中看看, win+r→regedit, 定位 LocalMachine \\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Fonts 可以看到, 对应的键值对

3. 既然有思路了, 就开始操作注册表, 注意, 如果在win7以上的系统中, 将localMachineKey.OpenSubKey("",true)第二个参数设置为true, 在xp下没有问题, 在win7以上就会报以下错误:

4. 解决此错误的方法是增加应用程序配置清单文件, 然后做下面的修改, 但是在运行的时候, 会提示要求用管理员权限(提权). 全部代码和清单文件内容如下:

//[System.Security.Permissions.RegistryPermissionAttribute(System.Security.Permissions.SecurityAction.PermitOnly, Read = @"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Fonts")]// 约束代码仅可读注册表
private System.Collections.Generic.SortedDictionary<string, string> ReadFontInformation()
{
var dictionary = new System.Collections.Generic.SortedDictionary<string, string>(); Microsoft.Win32.RegistryKey localMachineKey = Microsoft.Win32.Registry.LocalMachine;
// 打开注册表
Microsoft.Win32.RegistryKey localMachineKeySub = localMachineKey.OpenSubKey("SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Fonts", false); //获取字体名
string[] mynames = localMachineKeySub.GetValueNames(); foreach (string name in mynames)
{
//获取字体的文件名
string myvalue = localMachineKeySub.GetValue(name).ToString(); if (myvalue.Substring(myvalue.Length - 4).ToUpper() == ".TTF" && myvalue.Substring(1, 2).ToUpper() != @":\")
{
string val = name.Substring(0, name.Length - 11);
dictionary[val] = myvalue;
}
}
localMachineKeySub.Close();
return dictionary;
}

清单文件:

<?xml version="1.0" encoding="utf-8"?>
<assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1">
<assemblyIdentity version="1.0.0.0" name="MyApplication.app"/>
<trustInfo xmlns="urn:schemas-microsoft-com:asm.v2">
<security>
<requestedPrivileges xmlns="urn:schemas-microsoft-com:asm.v3">

<requestedExecutionLevel level="requireAdministrator" uiAccess="false" />
</requestedPrivileges>
</security>
</trustInfo> <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
<application>
 
 
 
 
 
 </application>
</compatibility> 
 
</assembly>

方法二:直接拿对应的文件名:

public class FontNameFile
{
public static string getFontFileName(string fontname)
{
string folderFullName = System.Environment.GetEnvironmentVariable("windir") + "\\fonts";
DirectoryInfo TheFolder = new DirectoryInfo(folderFullName);
foreach (FileInfo NextFile in TheFolder.GetFiles())
{
if (NextFile.Exists)
{
if (fontname==getFontName(NextFile.FullName))
{ return NextFile.Name;
}
}
}
return "";
} private static string getFontName(string fontfilename)
{
PrivateFontCollection pfc = new PrivateFontCollection();
//只要ttf和TTF, 其它的本项目不需要
if (fontfilename.EndsWith(".ttf") || fontfilename.EndsWith(".TTF"))
{
pfc.AddFontFile(fontfilename);
}
if (pfc.Families.Length > 0)
{
return pfc.Families[0].Name;
}
return "";
}
}