[英]Cannot initialize a by-reference variable with a value C#
Having this error Cannot initialize a by-reference variable with a value I'm fairly new to C# just trying trying to fix up a abandoned open source project.出现此错误无法使用值初始化引用变量我对 C# 很陌生,只是试图修复一个废弃的开源项目。
Here's the code:这是代码:
private bool CertificateHandler(bool valueExist)
{
if (!CertMaker.rootCertExists() && !CertMaker.createRootCert() || (CertMaker.rootCertIsTrusted() ? 1 : (CertMaker.trustRootCert() ? 1 : 0)) == 0)
return false;
// ISSUE: explicit reference operation
ref string local1 = @this.fiddlerCertInfos._fiddlerCert;
if (local1 == null)
local1 = FiddlerApplication.Prefs.GetStringPref("fiddler.certmaker.bc.cert", (string) null);
// ISSUE: explicit reference operation
ref string local2 = @this._fiddlerCertInfos._privateKey;
if (local2 == null)
local2 = FiddlerApplication.Prefs.GetStringPref("fiddler.certmaker.bc.key", (string) null);
if (!valueExist)
this.appRegistry.UpdateRegistry(new List<RegistryInfo>()
{
new RegistryInfo()
{
Name = "FiddlerCert",
Value = (object) this._fiddlerCertInfos._fiddlerCert,
RegistryValueKind = RegistryValueKind.String
},
new RegistryInfo()
{
Name = "PrivateKey",
Value = (object) this._fiddlerCertInfos._privateKey,
RegistryValueKind = RegistryValueKind.String
}
});
return true;
}
Error line:错误行:
ref string local1 = @this.fiddlerCertInfos._fiddlerCert;
ref string local2 = @this._fiddlerCertInfos._privateKey;
Read this:读这个:
https://docs.microsoft.com/en-us/dotnet/csharp/language-reference/keywords/ref#ref-locals https://docs.microsoft.com/en-us/dotnet/csharp/language-reference/keywords/ref#ref-locals
You can't assign a local reference variable with a non reference value.您不能为局部引用变量分配非引用值。 So either you need to remove the ref-keyword for the local variable or add 'ref' in front of the value which is assigned.因此,要么您需要删除局部变量的 ref 关键字,要么在分配的值前面添加“ref”。
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