From 1c10d6c89f0b0c5b4413aeee9dc4fdf79b415ca0 Mon Sep 17 00:00:00 2001
From: Starainrt <i@b612.me>
Date: Sun, 14 Oct 2018 17:58:47 +0800
Subject: [PATCH] first commit

---
 shell32.go        | 88 +++++++++++++++++++++++++++++++++++++++++++++++
 shell32typedef.go | 24 +++++++++++++
 win32api.go       | 49 ++++++++++++++++++++++++++
 3 files changed, 161 insertions(+)
 create mode 100644 shell32.go
 create mode 100644 shell32typedef.go
 create mode 100644 win32api.go

diff --git a/shell32.go b/shell32.go
new file mode 100644
index 0000000..02bd648
--- /dev/null
+++ b/shell32.go
@@ -0,0 +1,88 @@
+package win32api
+
+import (
+	"errors"
+	"strconv"
+	"syscall"
+	"unsafe"
+)
+
+func ShellExecute(hwnd HWND, lpOperation, lpFile, lpParameters, lpDirectory string, nShowCmd int) error {
+	shell32, err := syscall.LoadLibrary("shell32.dll")
+	var op, param, directory uintptr
+	if err != nil {
+		return errors.New("Can't Load Shell32 API")
+	}
+	defer syscall.FreeLibrary(shell32)
+	ShellExecute, err := syscall.GetProcAddress(syscall.Handle(shell32), "ShellExecuteW")
+	if err != nil {
+		return errors.New("Can't Load ShellExecute API")
+	}
+	if len(lpOperation) != 0 {
+		op = uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(lpOperation)))
+	}
+	if len(lpParameters) != 0 {
+		param = uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(lpParameters)))
+	}
+	if len(lpDirectory) != 0 {
+		directory = uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(lpDirectory)))
+	}
+	r, _, _ := syscall.Syscall6(uintptr(ShellExecute), 6,
+		uintptr(hwnd),
+		op,
+		uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(lpFile))),
+		param,
+		directory,
+		uintptr(nShowCmd))
+	if r < 32 {
+		return errors.New("ERROR:" + strconv.Itoa(int(r)))
+	}
+	return nil
+}
+
+/**
+func ShellExecuteEX2(hwnd HWND, lpVerb, lpFile, lpParameters, lpDirectory string, nShow int) error {
+	var newcmd SHELLEXECUTEINFOW
+	newcmd.cbSize = DWORD(unsafe.Sizeof(newcmd))
+	newcmd.hwnd = hwnd
+	newcmd.lpVerb = lpVerb
+	newcmd.lpFile = lpFile
+	newcmd.lpParameters = lpParameters
+	newcmd.lpDirectory = lpDirectory
+	newcmd.nShow = nShow
+	shell32, err := syscall.LoadLibrary("shell32.dll")
+	if err != nil {
+		return errors.New("Can't Load Shell32 API")
+	}
+	defer syscall.FreeLibrary(shell32)
+	ShellExecuteEx, err := syscall.GetProcAddress(syscall.Handle(shell32), "ShellExecuteExW")
+	if err != nil {
+		return errors.New("Can't Load ShellExecuteEx API")
+	}
+	r, _, _ := syscall.Syscall6(ShellExecuteEx, 1, uintptr(unsafe.Pointer(&newcmd)), 0, 0, 0, 0, 0)
+	fmt.Println(strconv.Itoa(int(r)))
+	fmt.Println(strconv.Itoa(int(newcmd.hInstApp)))
+	if r != 0 {
+		return errors.New("Error Recured")
+	}
+	return nil
+}
+*/
+
+func ShellExecuteEx(muzika SHELLEXECUTEINFOW) error {
+	shell32, err := syscall.LoadLibrary("shell32.dll")
+
+	if err != nil {
+		return errors.New("Can't Load Shell32 API")
+	}
+	defer syscall.FreeLibrary(shell32)
+	ShellExecuteEx, err := syscall.GetProcAddress(syscall.Handle(shell32), "ShellExecuteExW")
+	if err != nil {
+		return errors.New("Can't Load ShellExecuteEx API")
+	}
+	r, _, _ := syscall.Syscall6(ShellExecuteEx, 1, uintptr(unsafe.Pointer(&muzika)), 0, 0, 0, 0, 0)
+	if r != 0 {
+		return errors.New("Error Recured")
+	}
+	return nil
+}
diff --git a/shell32typedef.go b/shell32typedef.go
new file mode 100644
index 0000000..e739fbf
--- /dev/null
+++ b/shell32typedef.go
@@ -0,0 +1,24 @@
+package win32api
+
+type SHELLEXECUTEINFOW struct {
+	cbSize       DWORD
+	fMask        ULONG
+	hwnd         HWND
+	lpVerb       string
+	lpFile       string
+	lpParameters string
+	lpDirectory  string
+	nShow        int
+	hInstApp     HINSTANCE
+	lpIDList     LPVOID
+	lpClass      string
+	hkeyClass    HKEY
+	dwHotKey     DWORD
+	union        UNION
+	hProcess     HANDLE
+}
+
+type UNION struct {
+	hIcon    HANDLE
+	hMonitor HANDLE
+}
diff --git a/win32api.go b/win32api.go
new file mode 100644
index 0000000..8dc327d
--- /dev/null
+++ b/win32api.go
@@ -0,0 +1,49 @@
+package win32api
+
+import "unsafe"
+
+type (
+	ATOM            uint16
+	BOOL            int32
+	COLORREF        uint32
+	DWM_FRAME_COUNT uint64
+	DWORD           uint32
+	HACCEL          HANDLE
+	HANDLE          uintptr
+	HBITMAP         HANDLE
+	HBRUSH          HANDLE
+	HCURSOR         HANDLE
+	HDC             HANDLE
+	HDROP           HANDLE
+	HDWP            HANDLE
+	HENHMETAFILE    HANDLE
+	HFONT           HANDLE
+	HGDIOBJ         HANDLE
+	HGLOBAL         HANDLE
+	HGLRC           HANDLE
+	HHOOK           HANDLE
+	HICON           HANDLE
+	HIMAGELIST      HANDLE
+	HINSTANCE       HANDLE
+	HKEY            HANDLE
+	HKL             HANDLE
+	HMENU           HANDLE
+	HMODULE         HANDLE
+	HMONITOR        HANDLE
+	HPEN            HANDLE
+	HRESULT         int32
+	HRGN            HANDLE
+	HRSRC           HANDLE
+	HTHUMBNAIL      HANDLE
+	HWND            HANDLE
+	LPARAM          uintptr
+	LPCVOID         unsafe.Pointer
+	LPVOID          unsafe.Pointer
+	LRESULT         uintptr
+	PVOID           unsafe.Pointer
+	QPC_TIME        uint64
+	ULONG           uint32
+	ULONG_PTR       uintptr
+	WPARAM          uintptr
+	TRACEHANDLE     uintptr
+)