From 898cc5663d5ede3d6d595e7819cd2b14db18970a Mon Sep 17 00:00:00 2001
From: Thamatip Chitpong <thamatip.chitpong@reactos.org>
Date: Fri, 1 Nov 2024 01:09:22 +0700
Subject: [PATCH] [EXPLORER] Add tooltip for show desktop button (#7483)

CORE-15369
---
 base/shell/explorer/lang/bg-BG.rc   |  1 +
 base/shell/explorer/lang/cs-CZ.rc   |  1 +
 base/shell/explorer/lang/de-DE.rc   |  1 +
 base/shell/explorer/lang/en-US.rc   |  1 +
 base/shell/explorer/lang/es-ES.rc   |  1 +
 base/shell/explorer/lang/et-EE.rc   |  1 +
 base/shell/explorer/lang/eu-ES.rc   |  1 +
 base/shell/explorer/lang/fi-FI.rc   |  1 +
 base/shell/explorer/lang/fr-FR.rc   |  1 +
 base/shell/explorer/lang/he-IL.rc   |  1 +
 base/shell/explorer/lang/hi-IN.rc   |  1 +
 base/shell/explorer/lang/hu-HU.rc   |  1 +
 base/shell/explorer/lang/id-ID.rc   |  1 +
 base/shell/explorer/lang/it-IT.rc   |  1 +
 base/shell/explorer/lang/ja-JP.rc   |  1 +
 base/shell/explorer/lang/ko-KR.rc   |  1 +
 base/shell/explorer/lang/lt-LT.rc   |  1 +
 base/shell/explorer/lang/ms-MY.rc   |  1 +
 base/shell/explorer/lang/nl-NL.rc   |  1 +
 base/shell/explorer/lang/no-NO.rc   |  1 +
 base/shell/explorer/lang/pl-PL.rc   |  1 +
 base/shell/explorer/lang/pt-BR.rc   |  1 +
 base/shell/explorer/lang/pt-PT.rc   |  1 +
 base/shell/explorer/lang/ro-RO.rc   |  1 +
 base/shell/explorer/lang/ru-RU.rc   |  1 +
 base/shell/explorer/lang/sk-SK.rc   |  1 +
 base/shell/explorer/lang/sq-AL.rc   |  1 +
 base/shell/explorer/lang/tr-TR.rc   |  1 +
 base/shell/explorer/lang/uk-UA.rc   |  1 +
 base/shell/explorer/lang/zh-CN.rc   |  1 +
 base/shell/explorer/lang/zh-HK.rc   |  1 +
 base/shell/explorer/lang/zh-TW.rc   |  1 +
 base/shell/explorer/resource.h      |  1 +
 base/shell/explorer/traydeskbtn.cpp | 13 +++++++++++++
 base/shell/explorer/traydeskbtn.h   |  1 +
 35 files changed, 47 insertions(+)

diff --git a/base/shell/explorer/lang/bg-BG.rc b/base/shell/explorer/lang/bg-BG.rc
index 65585857c28..362a5ec523c 100644
--- a/base/shell/explorer/lang/bg-BG.rc
+++ b/base/shell/explorer/lang/bg-BG.rc
@@ -216,4 +216,5 @@ BEGIN
     IDS_RESTORE_ALL "&Покажи отворените прозорци"
     IDS_TRAYWND_UNDO_CASCADE "&Undo Cascade"
     IDS_TRAYWND_UNDO_TILE "&Undo Tile"
+    IDS_TRAYDESKBTN_TOOLTIP "Show Desktop/Windows"
 END
diff --git a/base/shell/explorer/lang/cs-CZ.rc b/base/shell/explorer/lang/cs-CZ.rc
index 96dacb3e5b2..4c42eb1e82e 100644
--- a/base/shell/explorer/lang/cs-CZ.rc
+++ b/base/shell/explorer/lang/cs-CZ.rc
@@ -216,4 +216,5 @@ BEGIN
     IDS_RESTORE_ALL "&Show Open Windows"
     IDS_TRAYWND_UNDO_CASCADE "&Undo Cascade"
     IDS_TRAYWND_UNDO_TILE "&Undo Tile"
+    IDS_TRAYDESKBTN_TOOLTIP "Show Desktop/Windows"
 END
diff --git a/base/shell/explorer/lang/de-DE.rc b/base/shell/explorer/lang/de-DE.rc
index 719833d6f19..644d4e9c680 100644
--- a/base/shell/explorer/lang/de-DE.rc
+++ b/base/shell/explorer/lang/de-DE.rc
@@ -219,4 +219,5 @@ BEGIN
     IDS_RESTORE_ALL "&Show Open Windows"
     IDS_TRAYWND_UNDO_CASCADE "&Undo Cascade"
     IDS_TRAYWND_UNDO_TILE "&Undo Tile"
+    IDS_TRAYDESKBTN_TOOLTIP "Show Desktop/Windows"
 END
diff --git a/base/shell/explorer/lang/en-US.rc b/base/shell/explorer/lang/en-US.rc
index 537d46dc5df..fb0d1968ec4 100644
--- a/base/shell/explorer/lang/en-US.rc
+++ b/base/shell/explorer/lang/en-US.rc
@@ -215,4 +215,5 @@ BEGIN
     IDS_RESTORE_ALL "&Show Open Windows"
     IDS_TRAYWND_UNDO_CASCADE "&Undo Cascade"
     IDS_TRAYWND_UNDO_TILE "&Undo Tile"
+    IDS_TRAYDESKBTN_TOOLTIP "Show Desktop/Windows"
 END
diff --git a/base/shell/explorer/lang/es-ES.rc b/base/shell/explorer/lang/es-ES.rc
index 60a86cb2d29..bfa0fef9c2a 100644
--- a/base/shell/explorer/lang/es-ES.rc
+++ b/base/shell/explorer/lang/es-ES.rc
@@ -219,4 +219,5 @@ BEGIN
     IDS_RESTORE_ALL "&Mostrar ventanas abiertas"
     IDS_TRAYWND_UNDO_CASCADE "&Undo Cascade"
     IDS_TRAYWND_UNDO_TILE "&Undo Tile"
+    IDS_TRAYDESKBTN_TOOLTIP "Show Desktop/Windows"
 END
diff --git a/base/shell/explorer/lang/et-EE.rc b/base/shell/explorer/lang/et-EE.rc
index edac53dee40..a38cf6b6160 100644
--- a/base/shell/explorer/lang/et-EE.rc
+++ b/base/shell/explorer/lang/et-EE.rc
@@ -215,4 +215,5 @@ BEGIN
     IDS_RESTORE_ALL "&Show Open Windows"
     IDS_TRAYWND_UNDO_CASCADE "&Undo Cascade"
     IDS_TRAYWND_UNDO_TILE "&Undo Tile"
+    IDS_TRAYDESKBTN_TOOLTIP "Show Desktop/Windows"
 END
diff --git a/base/shell/explorer/lang/eu-ES.rc b/base/shell/explorer/lang/eu-ES.rc
index 1edc42304f1..da9a5ce7126 100644
--- a/base/shell/explorer/lang/eu-ES.rc
+++ b/base/shell/explorer/lang/eu-ES.rc
@@ -215,4 +215,5 @@ BEGIN
     IDS_RESTORE_ALL "E&rakutsi irekitako leihoak"
     IDS_TRAYWND_UNDO_CASCADE "&Undo Cascade"
     IDS_TRAYWND_UNDO_TILE "&Undo Tile"
+    IDS_TRAYDESKBTN_TOOLTIP "Show Desktop/Windows"
 END
diff --git a/base/shell/explorer/lang/fi-FI.rc b/base/shell/explorer/lang/fi-FI.rc
index 007d5a9139e..c174b17daaa 100644
--- a/base/shell/explorer/lang/fi-FI.rc
+++ b/base/shell/explorer/lang/fi-FI.rc
@@ -215,4 +215,5 @@ BEGIN
     IDS_RESTORE_ALL "&Show Open Windows"
     IDS_TRAYWND_UNDO_CASCADE "&Undo Cascade"
     IDS_TRAYWND_UNDO_TILE "&Undo Tile"
+    IDS_TRAYDESKBTN_TOOLTIP "Show Desktop/Windows"
 END
diff --git a/base/shell/explorer/lang/fr-FR.rc b/base/shell/explorer/lang/fr-FR.rc
index bc8250201c3..4a752edef8d 100644
--- a/base/shell/explorer/lang/fr-FR.rc
+++ b/base/shell/explorer/lang/fr-FR.rc
@@ -216,4 +216,5 @@ BEGIN
     IDS_RESTORE_ALL "&Afficher les fenêtres ouvertes"
     IDS_TRAYWND_UNDO_CASCADE "Ann&uler cascade"
     IDS_TRAYWND_UNDO_TILE "Ann&uler mosaïque"
+    IDS_TRAYDESKBTN_TOOLTIP "Show Desktop/Windows"
 END
diff --git a/base/shell/explorer/lang/he-IL.rc b/base/shell/explorer/lang/he-IL.rc
index 7dcdaff4449..5031167a438 100644
--- a/base/shell/explorer/lang/he-IL.rc
+++ b/base/shell/explorer/lang/he-IL.rc
@@ -215,4 +215,5 @@ BEGIN
     IDS_RESTORE_ALL "&Show Open Windows"
     IDS_TRAYWND_UNDO_CASCADE "&Undo Cascade"
     IDS_TRAYWND_UNDO_TILE "&Undo Tile"
+    IDS_TRAYDESKBTN_TOOLTIP "Show Desktop/Windows"
 END
diff --git a/base/shell/explorer/lang/hi-IN.rc b/base/shell/explorer/lang/hi-IN.rc
index 31f36698e65..6fccc2a320d 100644
--- a/base/shell/explorer/lang/hi-IN.rc
+++ b/base/shell/explorer/lang/hi-IN.rc
@@ -215,4 +215,5 @@ BEGIN
     IDS_RESTORE_ALL "खुले हुऐ विंडोज &दिखाएं"
     IDS_TRAYWND_UNDO_CASCADE "&Undo Cascade"
     IDS_TRAYWND_UNDO_TILE "&Undo Tile"
+    IDS_TRAYDESKBTN_TOOLTIP "Show Desktop/Windows"
 END
diff --git a/base/shell/explorer/lang/hu-HU.rc b/base/shell/explorer/lang/hu-HU.rc
index 4e167f3160b..87bcce514ca 100644
--- a/base/shell/explorer/lang/hu-HU.rc
+++ b/base/shell/explorer/lang/hu-HU.rc
@@ -215,4 +215,5 @@ BEGIN
     IDS_RESTORE_ALL "&Megnyitott ablakok megjelenítése"
     IDS_TRAYWND_UNDO_CASCADE "Lépcsőzetes elre&ndezés visszavonása"
     IDS_TRAYWND_UNDO_TILE "Mozaik elre&ndezés visszavonása"
+    IDS_TRAYDESKBTN_TOOLTIP "Show Desktop/Windows"
 END
diff --git a/base/shell/explorer/lang/id-ID.rc b/base/shell/explorer/lang/id-ID.rc
index 10fd87f2493..468daf9a291 100644
--- a/base/shell/explorer/lang/id-ID.rc
+++ b/base/shell/explorer/lang/id-ID.rc
@@ -216,4 +216,5 @@ BEGIN
     IDS_RESTORE_ALL "&Tampilkan Semua Jendela"
     IDS_TRAYWND_UNDO_CASCADE "&Urungkan Tumpukan"
     IDS_TRAYWND_UNDO_TILE "U&rungkan Ubin"
+    IDS_TRAYDESKBTN_TOOLTIP "Show Desktop/Windows"
 END
diff --git a/base/shell/explorer/lang/it-IT.rc b/base/shell/explorer/lang/it-IT.rc
index 4f584bc7613..26d55d51693 100644
--- a/base/shell/explorer/lang/it-IT.rc
+++ b/base/shell/explorer/lang/it-IT.rc
@@ -216,4 +216,5 @@ BEGIN
     IDS_RESTORE_ALL "&Show Open Windows"
     IDS_TRAYWND_UNDO_CASCADE "&Undo Cascade"
     IDS_TRAYWND_UNDO_TILE "&Undo Tile"
+    IDS_TRAYDESKBTN_TOOLTIP "Show Desktop/Windows"
 END
diff --git a/base/shell/explorer/lang/ja-JP.rc b/base/shell/explorer/lang/ja-JP.rc
index 33f92fd6784..30d173b2556 100644
--- a/base/shell/explorer/lang/ja-JP.rc
+++ b/base/shell/explorer/lang/ja-JP.rc
@@ -217,4 +217,5 @@ BEGIN
     IDS_RESTORE_ALL "開いているウィンドウを表示(&S)"
     IDS_TRAYWND_UNDO_CASCADE "「重ねて表示」を元に戻す(&U)"
     IDS_TRAYWND_UNDO_TILE "「ウィンドウを並べて表示」を元に戻す(&U)"
+    IDS_TRAYDESKBTN_TOOLTIP "Show Desktop/Windows"
 END
diff --git a/base/shell/explorer/lang/ko-KR.rc b/base/shell/explorer/lang/ko-KR.rc
index e8603060ba8..0feac642730 100644
--- a/base/shell/explorer/lang/ko-KR.rc
+++ b/base/shell/explorer/lang/ko-KR.rc
@@ -216,4 +216,5 @@ BEGIN
     IDS_RESTORE_ALL "열린 창 보기(&S)"
     IDS_TRAYWND_UNDO_CASCADE "&Undo Cascade"
     IDS_TRAYWND_UNDO_TILE "&Undo Tile"
+    IDS_TRAYDESKBTN_TOOLTIP "Show Desktop/Windows"
 END
diff --git a/base/shell/explorer/lang/lt-LT.rc b/base/shell/explorer/lang/lt-LT.rc
index 5627b7f0267..1471474371a 100644
--- a/base/shell/explorer/lang/lt-LT.rc
+++ b/base/shell/explorer/lang/lt-LT.rc
@@ -215,4 +215,5 @@ BEGIN
     IDS_RESTORE_ALL "&Show Open Windows"
     IDS_TRAYWND_UNDO_CASCADE "&Undo Cascade"
     IDS_TRAYWND_UNDO_TILE "&Undo Tile"
+    IDS_TRAYDESKBTN_TOOLTIP "Show Desktop/Windows"
 END
diff --git a/base/shell/explorer/lang/ms-MY.rc b/base/shell/explorer/lang/ms-MY.rc
index 31ea4cb6d1b..0d2f9323713 100644
--- a/base/shell/explorer/lang/ms-MY.rc
+++ b/base/shell/explorer/lang/ms-MY.rc
@@ -215,4 +215,5 @@ BEGIN
     IDS_RESTORE_ALL "&Show Open Windows"
     IDS_TRAYWND_UNDO_CASCADE "&Undo Cascade"
     IDS_TRAYWND_UNDO_TILE "&Undo Tile"
+    IDS_TRAYDESKBTN_TOOLTIP "Show Desktop/Windows"
 END
diff --git a/base/shell/explorer/lang/nl-NL.rc b/base/shell/explorer/lang/nl-NL.rc
index 702d2ab2bf8..3dda01b0016 100644
--- a/base/shell/explorer/lang/nl-NL.rc
+++ b/base/shell/explorer/lang/nl-NL.rc
@@ -216,4 +216,5 @@ BEGIN
     IDS_RESTORE_ALL "&Show Open Windows"
     IDS_TRAYWND_UNDO_CASCADE "&Undo Cascade"
     IDS_TRAYWND_UNDO_TILE "&Undo Tile"
+    IDS_TRAYDESKBTN_TOOLTIP "Show Desktop/Windows"
 END
diff --git a/base/shell/explorer/lang/no-NO.rc b/base/shell/explorer/lang/no-NO.rc
index 351d7942af0..e88e1967550 100644
--- a/base/shell/explorer/lang/no-NO.rc
+++ b/base/shell/explorer/lang/no-NO.rc
@@ -215,4 +215,5 @@ BEGIN
     IDS_RESTORE_ALL "&Show Open Windows"
     IDS_TRAYWND_UNDO_CASCADE "&Undo Cascade"
     IDS_TRAYWND_UNDO_TILE "&Undo Tile"
+    IDS_TRAYDESKBTN_TOOLTIP "Show Desktop/Windows"
 END
diff --git a/base/shell/explorer/lang/pl-PL.rc b/base/shell/explorer/lang/pl-PL.rc
index 6c2acc52b9b..270484ec0e8 100644
--- a/base/shell/explorer/lang/pl-PL.rc
+++ b/base/shell/explorer/lang/pl-PL.rc
@@ -218,4 +218,5 @@ BEGIN
     IDS_RESTORE_ALL "&Pokaż otwarte okna"
     IDS_TRAYWND_UNDO_CASCADE "&Cofnij kaskadowe ułożenie okien"
     IDS_TRAYWND_UNDO_TILE "&Cofnij sąsiadujące ułożenie okien"
+    IDS_TRAYDESKBTN_TOOLTIP "Show Desktop/Windows"
 END
diff --git a/base/shell/explorer/lang/pt-BR.rc b/base/shell/explorer/lang/pt-BR.rc
index c2df38de08b..1e030708acb 100644
--- a/base/shell/explorer/lang/pt-BR.rc
+++ b/base/shell/explorer/lang/pt-BR.rc
@@ -216,4 +216,5 @@ BEGIN
     IDS_RESTORE_ALL "&Show Open Windows"
     IDS_TRAYWND_UNDO_CASCADE "&Undo Cascade"
     IDS_TRAYWND_UNDO_TILE "&Undo Tile"
+    IDS_TRAYDESKBTN_TOOLTIP "Show Desktop/Windows"
 END
diff --git a/base/shell/explorer/lang/pt-PT.rc b/base/shell/explorer/lang/pt-PT.rc
index 39c9868b253..31ab1da2a4f 100644
--- a/base/shell/explorer/lang/pt-PT.rc
+++ b/base/shell/explorer/lang/pt-PT.rc
@@ -217,4 +217,5 @@ BEGIN
     IDS_RESTORE_ALL "&Mostrar janelas abertas"
     IDS_TRAYWND_UNDO_CASCADE "Desfazer &cascata"
     IDS_TRAYWND_UNDO_TILE "Desfazer &lado a lado"
+    IDS_TRAYDESKBTN_TOOLTIP "Show Desktop/Windows"
 END
diff --git a/base/shell/explorer/lang/ro-RO.rc b/base/shell/explorer/lang/ro-RO.rc
index 05070c0058a..36c2eda6b9f 100644
--- a/base/shell/explorer/lang/ro-RO.rc
+++ b/base/shell/explorer/lang/ro-RO.rc
@@ -216,4 +216,5 @@ BEGIN
     IDS_RESTORE_ALL "&Afișare ferestre deschise"
     IDS_TRAYWND_UNDO_CASCADE "Anulare cascadă"
     IDS_TRAYWND_UNDO_TILE "An&ulare aranjare"
+    IDS_TRAYDESKBTN_TOOLTIP "Show Desktop/Windows"
 END
diff --git a/base/shell/explorer/lang/ru-RU.rc b/base/shell/explorer/lang/ru-RU.rc
index d86f3477ef5..601e5a4ba14 100644
--- a/base/shell/explorer/lang/ru-RU.rc
+++ b/base/shell/explorer/lang/ru-RU.rc
@@ -219,4 +219,5 @@ BEGIN
     IDS_RESTORE_ALL "&Показать окна"
     IDS_TRAYWND_UNDO_CASCADE "&Отменить Каскадом"
     IDS_TRAYWND_UNDO_TILE "&Отменить Окна рядом"
+    IDS_TRAYDESKBTN_TOOLTIP "Show Desktop/Windows"
 END
diff --git a/base/shell/explorer/lang/sk-SK.rc b/base/shell/explorer/lang/sk-SK.rc
index 7f42ea11589..d314cda1792 100644
--- a/base/shell/explorer/lang/sk-SK.rc
+++ b/base/shell/explorer/lang/sk-SK.rc
@@ -215,4 +215,5 @@ BEGIN
     IDS_RESTORE_ALL "&Show Open Windows"
     IDS_TRAYWND_UNDO_CASCADE "&Undo Cascade"
     IDS_TRAYWND_UNDO_TILE "&Undo Tile"
+    IDS_TRAYDESKBTN_TOOLTIP "Show Desktop/Windows"
 END
diff --git a/base/shell/explorer/lang/sq-AL.rc b/base/shell/explorer/lang/sq-AL.rc
index 97634842e87..678e48ebdd7 100644
--- a/base/shell/explorer/lang/sq-AL.rc
+++ b/base/shell/explorer/lang/sq-AL.rc
@@ -215,4 +215,5 @@ BEGIN
     IDS_RESTORE_ALL "&Show Open Windows"
     IDS_TRAYWND_UNDO_CASCADE "&Undo Cascade"
     IDS_TRAYWND_UNDO_TILE "&Undo Tile"
+    IDS_TRAYDESKBTN_TOOLTIP "Show Desktop/Windows"
 END
diff --git a/base/shell/explorer/lang/tr-TR.rc b/base/shell/explorer/lang/tr-TR.rc
index 1fb336b1118..f67bccb27b3 100644
--- a/base/shell/explorer/lang/tr-TR.rc
+++ b/base/shell/explorer/lang/tr-TR.rc
@@ -217,4 +217,5 @@ BEGIN
     IDS_RESTORE_ALL "&Açık Pencereleri Göster"
     IDS_TRAYWND_UNDO_CASCADE "&Kademeyi Geri Al"
     IDS_TRAYWND_UNDO_TILE "&Döşemeyi Geri Al"
+    IDS_TRAYDESKBTN_TOOLTIP "Show Desktop/Windows"
 END
diff --git a/base/shell/explorer/lang/uk-UA.rc b/base/shell/explorer/lang/uk-UA.rc
index 413fa063db6..b007a200ef6 100644
--- a/base/shell/explorer/lang/uk-UA.rc
+++ b/base/shell/explorer/lang/uk-UA.rc
@@ -219,4 +219,5 @@ BEGIN
     IDS_RESTORE_ALL "&Показати відкриті вікна"
     IDS_TRAYWND_UNDO_CASCADE "&Undo Cascade"
     IDS_TRAYWND_UNDO_TILE "&Undo Tile"
+    IDS_TRAYDESKBTN_TOOLTIP "Show Desktop/Windows"
 END
diff --git a/base/shell/explorer/lang/zh-CN.rc b/base/shell/explorer/lang/zh-CN.rc
index 3d583aeef99..5de7294948d 100644
--- a/base/shell/explorer/lang/zh-CN.rc
+++ b/base/shell/explorer/lang/zh-CN.rc
@@ -217,4 +217,5 @@ BEGIN
     IDS_RESTORE_ALL "显示打开的窗口(&S)"
     IDS_TRAYWND_UNDO_CASCADE "撤销层叠(&U)"
     IDS_TRAYWND_UNDO_TILE "撤销平铺(&U)"
+    IDS_TRAYDESKBTN_TOOLTIP "Show Desktop/Windows"
 END
diff --git a/base/shell/explorer/lang/zh-HK.rc b/base/shell/explorer/lang/zh-HK.rc
index faec29523d8..67f404d3458 100644
--- a/base/shell/explorer/lang/zh-HK.rc
+++ b/base/shell/explorer/lang/zh-HK.rc
@@ -216,4 +216,5 @@ BEGIN
     IDS_RESTORE_ALL "顯示開啟的視窗(&S)"
     IDS_TRAYWND_UNDO_CASCADE "&Undo Cascade"
     IDS_TRAYWND_UNDO_TILE "&Undo Tile"
+    IDS_TRAYDESKBTN_TOOLTIP "Show Desktop/Windows"
 END
diff --git a/base/shell/explorer/lang/zh-TW.rc b/base/shell/explorer/lang/zh-TW.rc
index 5e100da0257..973ab75aaac 100644
--- a/base/shell/explorer/lang/zh-TW.rc
+++ b/base/shell/explorer/lang/zh-TW.rc
@@ -217,4 +217,5 @@ BEGIN
     IDS_RESTORE_ALL "顯示開啟的視窗(&S)"
     IDS_TRAYWND_UNDO_CASCADE "&Undo Cascade"
     IDS_TRAYWND_UNDO_TILE "&Undo Tile"
+    IDS_TRAYDESKBTN_TOOLTIP "Show Desktop/Windows"
 END
diff --git a/base/shell/explorer/resource.h b/base/shell/explorer/resource.h
index cd4400a9334..72b3456270b 100644
--- a/base/shell/explorer/resource.h
+++ b/base/shell/explorer/resource.h
@@ -105,6 +105,7 @@
 #define IDS_RESTORE_ALL                    811
 #define IDS_TRAYWND_UNDO_CASCADE           812
 #define IDS_TRAYWND_UNDO_TILE              813
+#define IDS_TRAYDESKBTN_TOOLTIP            814
 
 /* These values must be synchronized with shell32 */
 #define IDS_ADVANCED_DISPLAY_FAVORITES              30466
diff --git a/base/shell/explorer/traydeskbtn.cpp b/base/shell/explorer/traydeskbtn.cpp
index bb448f2495d..009f79c892e 100644
--- a/base/shell/explorer/traydeskbtn.cpp
+++ b/base/shell/explorer/traydeskbtn.cpp
@@ -76,6 +76,19 @@ HRESULT CTrayShowDesktopButton::DoCreate(HWND hwndParent)
     m_szIcon.cx = GetSystemMetrics(SM_CXSMICON);
     m_szIcon.cy = GetSystemMetrics(SM_CYSMICON);
 
+    // Create tooltip
+    m_tooltip.Create(m_hWnd, WS_POPUP | TTS_NOPREFIX | TTS_ALWAYSTIP);
+
+    TOOLINFOW ti = { 0 };
+    ti.cbSize = TTTOOLINFOW_V1_SIZE;
+    ti.uFlags = TTF_IDISHWND | TTF_SUBCLASS;
+    ti.hwnd = m_hWnd;
+    ti.uId = reinterpret_cast<UINT_PTR>(m_hWnd);
+    ti.hinst = hExplorerInstance;
+    ti.lpszText = MAKEINTRESOURCEW(IDS_TRAYDESKBTN_TOOLTIP);
+
+    m_tooltip.AddTool(&ti);
+
     // Prep visual style
     EnsureWindowTheme(TRUE);
 
diff --git a/base/shell/explorer/traydeskbtn.h b/base/shell/explorer/traydeskbtn.h
index 5e59ecfa1a6..f779aa11dfa 100644
--- a/base/shell/explorer/traydeskbtn.h
+++ b/base/shell/explorer/traydeskbtn.h
@@ -28,6 +28,7 @@ class CTrayShowDesktopButton :
     BOOL m_drawWithDedicatedBackground;
     BOOL m_bHovering;
     HWND m_hWndTaskbar;
+    CTooltips m_tooltip;
 
 public:
     BOOL m_bPressed;