1. 备份visualSVNbin目录

2. 打开VS命令提示工具，反编译VisualSVN.Core.L.dll

运行命令

ildasam "VisualSVN安装目录\bin\VisualSVN.Core.L.dll" /out="VisualSVN安装目录\bin\VisualSVN.Core.L.il"

例如：

ildasm "C:\Program Files (x86)\VisualSVN\bin\VisualSVN.Core.L.dll" /out="C:\Program Files (x86)\VisualSVN\bin\VisualSVN.Core.L.il"

3. 用文本编辑工具打开得到的 VisualSVN.Core.L.il 文件，在其中搜索 “KeyToLicenseUnsafe”，找到KeyToLicenseUnsafe方法，大概在3188行附近。替换如下

.method public hidebysig static class VisualSVN.Core.Licensing.License KeyToLicenseUnsafe(class VisualSVN.Core.IDecoder decoder, string key) cil managed {

// 代码大小 69 (0x45)

.maxstack 2

.locals init (class VisualSVN.Core.Licensing.License V_0, class VisualSVN.Core.Licensing.License V_1, class VisualSVN.Core.Licensing.License V_2)

IL_0000: nop

IL_0001: newobj instance void VisualSVN.Core.Licensing.License::.ctor()

IL_0006: stloc.1

IL_0007: ldloc.1

IL_0008: ldsfld valuetype [mscorlib]System.DateTime [mscorlib]System.DateTime::MinValue

IL_000d: stfld valuetype [mscorlib]System.DateTime VisualSVN.Core.Licensing.License::StartTime

IL_0012: ldloc.1

IL_0013: ldc.i4.1

IL_0014: stfld valuetype VisualSVN.Core.Licensing.LicenseBinding VisualSVN.Core.Licensing.License::Binding

IL_0019: ldloc.1

IL_001a: ldc.i4 0x7ffffffe

IL_001f: stfld int32 VisualSVN.Core.Licensing.License::Capacity

IL_0024: ldloc.1

IL_0025: ldsfld valuetype [mscorlib]System.DateTime [mscorlib]System.DateTime::MaxValue

IL_002a: stfld valuetype [mscorlib]System.DateTime VisualSVN.Core.Licensing.License::EndTime

IL_002f: ldloc.1

IL_0030: ldc.i4.2

IL_0031: stfld valuetype VisualSVN.Core.Licensing.LicenseType VisualSVN.Core.Licensing.License::Type

IL_0036: ldloc.1

IL_0037: ldstr "100"

IL_003c: stfld string VisualSVN.Core.Licensing.License::PurchaseId

IL_0041: ldloc.1

IL_0042: call string [mscorlib]System.Environment::get_UserName()

IL_0047: stfld string VisualSVN.Core.Licensing.License::LicensedTo

IL_004c: ldloc.1

IL_004d: stloc.0

IL_004e: ldloc.0

IL_004f: ldloc.0

IL_0050: ldfld valuetype [mscorlib]System.DateTime VisualSVN.Core.Licensing.License::StartTime

IL_0055: stfld valuetype [mscorlib]System.DateTime VisualSVN.Core.Licensing.License::PurchaseDate

IL_005a: ldloc.0

IL_005b: stloc.2

IL_005c: br.s

IL_005e

IL_005e:ldloc.2

IL_005f: ret

} // end of method LicenseConverter::KeyToLicenseUnsafe

4. 重新编译成dll文件，删除原VisualSVN.Core.L.dll 文件，VS命令提示工具中执行以下命令进行编译：

ilasm "VisualSVN安装目录\bin\VisualSVN.Core.L.il" /output="VisualSVN安装目录\bin\VisualSVN.Core.L.dll" /dll

例如：

ilasm "C:\Program Files (x86)\VisualSVN\bin\VisualSVN.Core.L.il" /output="C:\Program Files (x86)\VisualSVN\bin\VisualSVN.Core.L.dll" /dll

效果如下：

最终可以在vs中使用了

It‘s all

VisualSVN 5.1.4破解