改csproj檔案就可以了,
<Compile Include="測試界面\FrmDayTimer.designer.cs" />改為:
<Compile Include="測試界面\FrmDayTimer.designer.cs">
<DependentUpon>FrmDayTimer.cs</DependentUpon>
</Compile>
<EmbeddedResource Include="測試界面\FrmDayTimer.resx" />改為:
<EmbeddedResource Include="測試界面\FrmDayTimer.resx">
<DependentUpon>FrmDayTimer.cs</DependentUpon>
</EmbeddedResource>