创建图标标记 Handlers (续)

分手后的思念是犯贱 2022-06-02 01:21 173阅读 0赞

[https://www.cnblogs.com/lantingji/p/5853790.html][https_www.cnblogs.com_lantingji_p_5853790.html]

1、新建一个ATL Project。

![1022478-20160908170052316-1713579722.png][]

2、建议将 Project Property 中 Linker – General - “Register Output” 设为 no，C/C++ - “Code Generation” - “Runtime Library” 设为 /MTd。

![1022478-20160908170106394-1317427357.png][]

![1022478-20160908170110644-595317946.png][]

3、在 Solution Explorer 中右键 Add Class，选择 ATL Simple Object。并在弹出的对话框中为该 Class 命名。

![1022478-20160908170124285-221931208.png][]

![1022478-20160908170136519-685095860.png][]

4、添加完成后建议 Build 一下 Project，MIDL compiler 将根据 .idl 文件生成 IIDs and CLSIDs。

![1022478-20160908170242613-1943825496.png][]

5、切换到新增 Class 的 .h 文件中，使其继承接口 IShellIconOverlayIdentifier。

![1022478-20160908170256394-177897103.png][]

![1022478-20160908170305973-2104139834.png][]

![1022478-20160908170311254-1139053894.png][]

![1022478-20160909143515254-2032471086.png][]

![ContractedBlock.gif][] MyOverlay.h

6、根据 MSDN 实现该 Class。

![1022478-20160908170620785-753300576.png][]

![1022478-20160908170645910-890432900.png][]

![1022478-20160908170652035-1856550351.png][]

![1022478-20160908170818504-607745033.png][]

![ContractedBlock.gif][] MyOverlay.cpp

7、在 .rgs 文件中添加注册表信息，确保各 GUID 与 .idl 文件中的一致。

![复制代码][copycode.gif]

1 HKCR
     2 {
     3     NoRemove CLSID
     4     {
     5         ForceRemove {
         29913677-1662-46C5-8645-16F84DA6F438} = s 'MyOverlay Class'
     6         {
     7             ForceRemove Programmable
     8             InprocServer32 = s '%MODULE%'
     9             {
    10                 val ThreadingModel = s 'Apartment'
    11             }
    12             TypeLib = s '{942F4DBB-4667-4767-A35B-52F32F623C63}'
    13             Version = s '1.0'
    14         }
    15     }
    16 }
    17 
    18 HKLM
    19 {
    20     NoRemove SOFTWARE
    21     {
    22         NoRemove Microsoft
    23         {
    24             NoRemove Windows
    25             {
    26                 NoRemove CurrentVersion
    27                 {
    28                     NoRemove Explorer
    29                     {
    30                         NoRemove ShellIconOverlayIdentifiers
    31                         {
    32                             ForceRemove '  MyOverlay' = s '{29913677-1662-46C5-8645-16F84DA6F438}'
    33                             {
    34                             }
    35                         }
    36                     }
    37                 }
    38             }
    39         }
    40     }
    41 }

![复制代码][copycode.gif]

8、Build Project 后通过 cmd.exe 注册或解注册生成的 .dll 文件。重启 explorer.exe 后生效。

![1022478-20160908171236504-1001365965.png][]

![1022478-20160908171244613-361205677.png][]

![1022478-20160908171247941-339748628.png][]

9、由于 slots 数量有限，检查在注册表中添加的子项是否在有效范围内（目前为前15个）。按下Win+R键，通过运行对话框打开regedit.exe，按HKEY\_LOCAL\_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Explorer\\ShellIconOverlayIdentifiers的顺序依次展开或直接Ctrl+F查找到MyOverlay项。可采用在.rgs文件中的子项名称前添加空格的方式将其位置提前。

![1022478-20160918113959534-652571738.png][]

![1022478-20160908171302598-587679768.png][]

10、查看效果如下图所示。

![1022478-20160908172154910-644920164.png][]

参考网址：http://www.codeproject.com/Articles/7484/How-to-overlay-an-icon-over-existing-shell-objects

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[http://www.cnblogs.com/lantingji/p/5853790.html][http_www.cnblogs.com_lantingji_p_5853790.html]

分类: [Windows 编程][Windows]

标签: [VC++][VC], [Windows][Windows 1], [DLL][], [ATL][], [COM][]

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