Avoid dynamic load uxtheme.dll since it comes with Windows XP.

zufuliu · Dec 6, 2018 · c951b0b · c951b0b
1 parent e824306
commit c951b0b
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Showing 13 changed files with 182 additions and 245 deletions.
diff --git a/build/CodeLite/Notepad2.project b/build/CodeLite/Notepad2.project
@@ -267,6 +267,7 @@
         <Library Value="ole32.a"/>
         <Library Value="oleaut32.a"/>
         <Library Value="uuid.a"/>
+        <Library Value="uxtheme.a"/>
         <Library Value="imm32.a"/>
       </Linker>
       <ResourceCompiler Options="-DRC_INVOKED;-DUNICODE;-D_UNICODE;"/>

diff --git a/build/CodeLite/metapath.project b/build/CodeLite/metapath.project
@@ -55,6 +55,7 @@
         <Library Value="ole32.a"/>
         <Library Value="oleaut32.a"/>
         <Library Value="uuid.a"/>
+        <Library Value="uxtheme.a"/>
         <Library Value="psapi.a"/>
       </Linker>
       <ResourceCompiler Options="-DRC_INVOKED;-DUNICODE;-D_UNICODE;"/>

diff --git a/build/VS2015/Notepad2.vcxproj b/build/VS2015/Notepad2.vcxproj
@@ -97,7 +97,7 @@
       <AdditionalOptions>/source-charset:utf-8 %(AdditionalOptions)</AdditionalOptions>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>comctl32.lib;shlwapi.lib;imm32.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>comctl32.lib;shlwapi.lib;imm32.lib;uxtheme.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Windows</SubSystem>
       <MinimumRequiredVersion>5.01</MinimumRequiredVersion>
@@ -119,7 +119,7 @@
       <AdditionalOptions>/source-charset:utf-8 %(AdditionalOptions)</AdditionalOptions>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>comctl32.lib;shlwapi.lib;imm32.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>comctl32.lib;shlwapi.lib;imm32.lib;uxtheme.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <ProgramDatabaseFile>$(OutDir)Notepad2.pdb</ProgramDatabaseFile>
       <SubSystem>Windows</SubSystem>
@@ -151,7 +151,7 @@
       <EnableEnhancedInstructionSet>StreamingSIMDExtensions2</EnableEnhancedInstructionSet>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>comctl32.lib;shlwapi.lib;imm32.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>comctl32.lib;shlwapi.lib;imm32.lib;uxtheme.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Windows</SubSystem>
       <OptimizeReferences>true</OptimizeReferences>
@@ -182,7 +182,7 @@
       <AdditionalOptions>/source-charset:utf-8 /GA %(AdditionalOptions)</AdditionalOptions>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>comctl32.lib;shlwapi.lib;imm32.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>comctl32.lib;shlwapi.lib;imm32.lib;uxtheme.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Windows</SubSystem>
       <OptimizeReferences>true</OptimizeReferences>

diff --git a/build/VS2015/metapath.vcxproj b/build/VS2015/metapath.vcxproj
@@ -96,7 +96,7 @@
       <AdditionalOptions>/source-charset:utf-8 %(AdditionalOptions)</AdditionalOptions>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>comctl32.lib;shlwapi.lib;psapi.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>comctl32.lib;shlwapi.lib;psapi.lib;uxtheme.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Windows</SubSystem>
       <MinimumRequiredVersion>5.01</MinimumRequiredVersion>
@@ -117,7 +117,7 @@
       <AdditionalOptions>/source-charset:utf-8 %(AdditionalOptions)</AdditionalOptions>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>comctl32.lib;shlwapi.lib;psapi.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>comctl32.lib;shlwapi.lib;psapi.lib;uxtheme.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Windows</SubSystem>
       <MinimumRequiredVersion>5.02</MinimumRequiredVersion>
@@ -145,7 +145,7 @@
       <EnableEnhancedInstructionSet>StreamingSIMDExtensions2</EnableEnhancedInstructionSet>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>comctl32.lib;shlwapi.lib;psapi.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>comctl32.lib;shlwapi.lib;psapi.lib;uxtheme.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <SubSystem>Windows</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <MinimumRequiredVersion>5.01</MinimumRequiredVersion>
@@ -175,7 +175,7 @@
       <AdditionalOptions>/source-charset:utf-8 /GA %(AdditionalOptions)</AdditionalOptions>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>comctl32.lib;shlwapi.lib;psapi.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>comctl32.lib;shlwapi.lib;psapi.lib;uxtheme.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <SubSystem>Windows</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <MinimumRequiredVersion>5.02</MinimumRequiredVersion>

diff --git a/build/VS2017/Notepad2.vcxproj b/build/VS2017/Notepad2.vcxproj
@@ -172,7 +172,7 @@
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>comctl32.lib;shlwapi.lib;imm32.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>comctl32.lib;shlwapi.lib;imm32.lib;uxtheme.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Windows</SubSystem>
       <MinimumRequiredVersion>5.01</MinimumRequiredVersion>
@@ -196,7 +196,7 @@
       <DiagnosticsFormat>Caret</DiagnosticsFormat>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>comctl32.lib;shlwapi.lib;imm32.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>comctl32.lib;shlwapi.lib;imm32.lib;uxtheme.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Windows</SubSystem>
       <MinimumRequiredVersion>5.01</MinimumRequiredVersion>
@@ -221,7 +221,7 @@
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>comctl32.lib;shlwapi.lib;imm32.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>comctl32.lib;shlwapi.lib;imm32.lib;uxtheme.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <ProgramDatabaseFile>$(OutDir)Notepad2.pdb</ProgramDatabaseFile>
       <SubSystem>Windows</SubSystem>
@@ -246,7 +246,7 @@
       <DiagnosticsFormat>Caret</DiagnosticsFormat>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>comctl32.lib;shlwapi.lib;imm32.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>comctl32.lib;shlwapi.lib;imm32.lib;uxtheme.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <ProgramDatabaseFile>$(OutDir)Notepad2.pdb</ProgramDatabaseFile>
       <SubSystem>Windows</SubSystem>
@@ -282,7 +282,7 @@
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>comctl32.lib;shlwapi.lib;imm32.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>comctl32.lib;shlwapi.lib;imm32.lib;uxtheme.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Windows</SubSystem>
       <OptimizeReferences>true</OptimizeReferences>
@@ -318,7 +318,7 @@
       <DiagnosticsFormat>Caret</DiagnosticsFormat>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>comctl32.lib;shlwapi.lib;imm32.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>comctl32.lib;shlwapi.lib;imm32.lib;uxtheme.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Windows</SubSystem>
       <OptimizeReferences>true</OptimizeReferences>
@@ -354,7 +354,7 @@
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>comctl32.lib;shlwapi.lib;imm32.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>comctl32.lib;shlwapi.lib;imm32.lib;uxtheme.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Windows</SubSystem>
       <OptimizeReferences>true</OptimizeReferences>
@@ -387,7 +387,7 @@
       <DiagnosticsFormat>Caret</DiagnosticsFormat>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>comctl32.lib;shlwapi.lib;imm32.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>comctl32.lib;shlwapi.lib;imm32.lib;uxtheme.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Windows</SubSystem>
       <OptimizeReferences>true</OptimizeReferences>

diff --git a/build/VS2017/metapath.vcxproj b/build/VS2017/metapath.vcxproj
@@ -171,7 +171,7 @@
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>comctl32.lib;shlwapi.lib;psapi.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>comctl32.lib;shlwapi.lib;psapi.lib;uxtheme.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Windows</SubSystem>
       <MinimumRequiredVersion>5.01</MinimumRequiredVersion>
@@ -194,7 +194,7 @@
       <DiagnosticsFormat>Caret</DiagnosticsFormat>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>comctl32.lib;shlwapi.lib;psapi.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>comctl32.lib;shlwapi.lib;psapi.lib;uxtheme.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Windows</SubSystem>
       <MinimumRequiredVersion>5.01</MinimumRequiredVersion>
@@ -218,7 +218,7 @@
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>comctl32.lib;shlwapi.lib;psapi.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>comctl32.lib;shlwapi.lib;psapi.lib;uxtheme.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Windows</SubSystem>
       <MinimumRequiredVersion>5.02</MinimumRequiredVersion>
@@ -241,7 +241,7 @@
       <DiagnosticsFormat>Caret</DiagnosticsFormat>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>comctl32.lib;shlwapi.lib;psapi.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>comctl32.lib;shlwapi.lib;psapi.lib;uxtheme.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Windows</SubSystem>
       <MinimumRequiredVersion>5.02</MinimumRequiredVersion>
@@ -273,7 +273,7 @@
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>comctl32.lib;shlwapi.lib;psapi.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>comctl32.lib;shlwapi.lib;psapi.lib;uxtheme.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <SubSystem>Windows</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <MinimumRequiredVersion>5.01</MinimumRequiredVersion>
@@ -306,7 +306,7 @@
       <DiagnosticsFormat>Caret</DiagnosticsFormat>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>comctl32.lib;shlwapi.lib;psapi.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>comctl32.lib;shlwapi.lib;psapi.lib;uxtheme.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <SubSystem>Windows</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <MinimumRequiredVersion>5.01</MinimumRequiredVersion>
@@ -341,7 +341,7 @@
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>comctl32.lib;shlwapi.lib;psapi.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>comctl32.lib;shlwapi.lib;psapi.lib;uxtheme.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <SubSystem>Windows</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <MinimumRequiredVersion>5.02</MinimumRequiredVersion>
@@ -373,7 +373,7 @@
       <DiagnosticsFormat>Caret</DiagnosticsFormat>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>comctl32.lib;shlwapi.lib;psapi.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>comctl32.lib;shlwapi.lib;psapi.lib;uxtheme.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <SubSystem>Windows</SubSystem>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <MinimumRequiredVersion>5.02</MinimumRequiredVersion>

diff --git a/metapath/src/Helpers.c b/metapath/src/Helpers.c
@@ -248,33 +248,15 @@ BOOL Is32bitExe(LPCWSTR lpszExeName) {
 }
 */
 
-//=============================================================================
-//
-//  PrivateIsAppThemed()
-//
-extern HMODULE hModUxTheme;
-BOOL PrivateIsAppThemed(void) {
-	BOOL bIsAppThemed = FALSE;
-	if (hModUxTheme) {
-		FARPROC pfnIsAppThemed = GetProcAddress(hModUxTheme, "IsAppThemed");
-		if (pfnIsAppThemed) {
-			bIsAppThemed = (BOOL)pfnIsAppThemed();
-		}
-	}
-	return bIsAppThemed;
-}
-
 //=============================================================================
 //
 //  SetTheme()
 //
 BOOL SetTheme(HWND hwnd, LPCWSTR lpszTheme) {
-	if (hModUxTheme) {
-		FARPROC pfnSetWindowTheme = GetProcAddress(hModUxTheme, "SetWindowTheme");
+	FARPROC pfnSetWindowTheme = GetProcAddress(GetModuleHandle(L"uxtheme.dll"), "SetWindowTheme");
 
-		if (pfnSetWindowTheme) {
-			return (S_OK == pfnSetWindowTheme(hwnd, lpszTheme, NULL));
-		}
+	if (pfnSetWindowTheme) {
+		return (S_OK == pfnSetWindowTheme(hwnd, lpszTheme, NULL));
 	}
 	return FALSE;
 }
@@ -1703,24 +1685,22 @@ BOOL GetThemedDialogFont(LPWSTR lpFaceName, WORD *wSize) {
 	const int iLogPixelsY = GetDeviceCaps(hDC, LOGPIXELSY);
 	ReleaseDC(NULL, hDC);
 
-	if (hModUxTheme) {
-		if ((BOOL)(GetProcAddress(hModUxTheme, "IsAppThemed"))()) {
-			HTHEME hTheme = (HTHEME)(INT_PTR)(GetProcAddress(hModUxTheme, "OpenThemeData"))(NULL, L"WINDOWSTYLE;WINDOW");
-			if (hTheme) {
-				LOGFONT lf;
-				if (S_OK == (HRESULT)(GetProcAddress(hModUxTheme, "GetThemeSysFont"))(hTheme, /*TMT_MSGBOXFONT*/805, &lf)) {
-					if (lf.lfHeight < 0) {
-						lf.lfHeight = -lf.lfHeight;
-					}
-					*wSize = (WORD)MulDiv(lf.lfHeight, 72, iLogPixelsY);
-					if (*wSize == 0) {
-						*wSize = 8;
-					}
-					lstrcpyn(lpFaceName, lf.lfFaceName, LF_FACESIZE);
-					bSucceed = TRUE;
+	if (IsAppThemed()) {
+		HTHEME hTheme = OpenThemeData(NULL, L"WINDOWSTYLE;WINDOW");
+		if (hTheme) {
+			LOGFONT lf;
+			if (S_OK == GetThemeSysFont(hTheme, /*TMT_MSGBOXFONT*/805, &lf)) {
+				if (lf.lfHeight < 0) {
+					lf.lfHeight = -lf.lfHeight;
+				}
+				*wSize = (WORD)MulDiv(lf.lfHeight, 72, iLogPixelsY);
+				if (*wSize == 0) {
+					*wSize = 8;
 				}
-				(GetProcAddress(hModUxTheme, "CloseThemeData"))(hTheme);
+				lstrcpyn(lpFaceName, lf.lfFaceName, LF_FACESIZE);
+				bSucceed = TRUE;
 			}
+			CloseThemeData(hTheme);
 		}
 	}
 

diff --git a/metapath/src/metapath.c b/metapath/src/metapath.c
@@ -25,6 +25,7 @@
 #include <shlobj.h>
 #include <shellapi.h>
 #include <commdlg.h>
+#include <uxtheme.h>
 #include <stdio.h>
 #include "Helpers.h"
 #include "Dlapi.h"
@@ -161,7 +162,6 @@ WCHAR	szDDETopic[256] = L"";
 HINSTANCE	g_hInstance;
 HANDLE		g_hDefaultHeap;
 UINT16		g_uWinVer;
-HMODULE		hModUxTheme = NULL;
 
 //=============================================================================
 //
@@ -193,9 +193,6 @@ static void CleanUpResources(BOOL initialized) {
 	if (tchToolbarBitmapDisabled != NULL) {
 		LocalFree(tchToolbarBitmapDisabled);
 	}
-	if (hModUxTheme) {
-		FreeLibrary(hModUxTheme);
-	}
 	if (initialized) {
 		UnregisterClass(WC_METAPATH, g_hInstance);
 	}
@@ -239,9 +236,6 @@ int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPWSTR lpCmdLi
 	// Load Settings
 	LoadSettings();
 
-	const DWORD kSystemLibraryLoadFlags = (IsWin8AndAbove() || GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")), "SetDefaultDllDirectories")) ? LOAD_LIBRARY_SEARCH_SYSTEM32 : 0;
-	hModUxTheme = LoadLibraryEx(L"uxtheme.dll", NULL, kSystemLibraryLoadFlags);
-
 	if (!InitApplication(hInstance)) {
 		CleanUpResources(FALSE);
 		return FALSE;
@@ -720,7 +714,7 @@ LRESULT MsgCreate(HWND hwnd, WPARAM wParam, LPARAM lParam) {
 					  hInstance,
 					  NULL);
 
-	if (IsVistaAndAbove() && PrivateIsAppThemed()) {
+	if (IsVistaAndAbove() && IsAppThemed()) {
 		SetWindowLongPtr(hwndDirList, GWL_EXSTYLE, GetWindowLongPtr(hwndDirList, GWL_EXSTYLE) & ~WS_EX_CLIENTEDGE);
 		SetWindowPos(hwndDirList, NULL, 0, 0, 0, 0, SWP_NOZORDER | SWP_NOMOVE | SWP_NOSIZE | SWP_FRAMECHANGED);
 	}
@@ -806,7 +800,7 @@ LRESULT MsgCreate(HWND hwnd, WPARAM wParam, LPARAM lParam) {
 //
 //
 void CreateBars(HWND hwnd, HINSTANCE hInstance) {
-	const BOOL bIsAppThemed = PrivateIsAppThemed();
+	const BOOL bIsAppThemed = IsAppThemed();
 
 	const DWORD dwToolbarStyle = WS_TOOLBAR | TBSTYLE_FLAT | CCS_ADJUSTABLE;
 	hwndToolbar = CreateWindowEx(0, TOOLBARCLASSNAME, NULL, dwToolbarStyle,
@@ -977,7 +971,7 @@ void MsgThemeChanged(HWND hwnd, WPARAM wParam, LPARAM lParam) {
 	UNREFERENCED_PARAMETER(lParam);
 
 	HINSTANCE hInstance = (HINSTANCE)(INT_PTR)GetWindowLongPtr(hwnd, GWLP_HINSTANCE);
-	const BOOL bIsAppThemed = PrivateIsAppThemed();
+	const BOOL bIsAppThemed = IsAppThemed();
 
 	if (IsVistaAndAbove() && bIsAppThemed) {
 		SetWindowLongPtr(hwndDirList, GWL_EXSTYLE, GetWindowLongPtr(hwndDirList, GWL_EXSTYLE) & ~WS_EX_CLIENTEDGE);