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.idea/.gitignore

@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

.idea/BackgroundHasselhoff.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="WEB_MODULE" version="4">
+  <component name="Go" enabled="true" />
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

.idea/modules.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/BackgroundHasselhoff.iml" filepath="$PROJECT_DIR$/.idea/BackgroundHasselhoff.iml" />
+    </modules>
+  </component>
+</project>

go.mod

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+module main
+
+go 1.20
+
+require golang.org/x/sys v0.8.0

go.sum

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+golang.org/x/sys v0.8.0 h1:EBmGv8NaZBZTWvrbjNoL6HVt+IVy3QDQpJs7VRIw3tU=
+golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=

imgLocations.txt

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+C:\Program Files\BackgroundHasselhoff\imgs

main.go

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+package main
+
+import (
+	"fmt"
+	"golang.org/x/sys/windows"
+	"math/rand"
+	"os"
+	"strconv"
+	"unsafe"
+)
+
+func main() {
+	fileBytes, err := os.ReadFile("./imgsLocation.txt")
+	if err != nil {
+		fmt.Printf("Error loading dir info from ./imgsLocation.txt: %v\nPress any key to continue...", err)
+		fmt.Scanln()
+		os.Exit(1)
+	}
+	files, err := os.ReadDir(string(fileBytes))
+	if err != nil {
+		fmt.Printf("Error reading images from directory %v: %v\nPress any key to continue...", string(fileBytes), err)
+		fmt.Scanln()
+		os.Exit(1)
+	}
+
+	procSystemParamInfo := windows.NewLazyDLL("user32.dll").NewProc("SystemParametersInfoW")
+	imagePath, _ := windows.UTF16PtrFromString(string(fileBytes) + `\` + strconv.Itoa(rand.Intn(len(files))+1) + ".jpg")
+	procSystemParamInfo.Call(20, 0, uintptr(unsafe.Pointer(imagePath)), 0x001A)
+}