207 lines
7.5 KiB
Go
207 lines
7.5 KiB
Go
//go:build windows
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package win
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import (
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"syscall"
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"unsafe"
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"golang.org/x/sys/windows"
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)
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const (
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IDOK = 1
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IDCANCEL = 2
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IDABORT = 3
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IDRETRY = 4
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IDIGNORE = 5
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IDYES = 6
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IDNO = 7
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MB_OK = windows.MB_OK
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MB_OKCANCEL = windows.MB_OKCANCEL
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MB_ABORTRETRYIGNORE = windows.MB_ABORTRETRYIGNORE
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MB_YESNOCANCEL = windows.MB_YESNOCANCEL
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MB_YESNO = windows.MB_YESNO
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MB_RETRYCANCEL = windows.MB_RETRYCANCEL
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MB_CANCELTRYCONTINUE = windows.MB_CANCELTRYCONTINUE
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MB_ICONERROR = windows.MB_ICONERROR
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MB_ICONQUESTION = windows.MB_ICONQUESTION
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MB_ICONWARNING = windows.MB_ICONWARNING
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MB_ICONINFORMATION = windows.MB_ICONINFORMATION
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MB_DEFBUTTON1 = windows.MB_DEFBUTTON1
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MB_DEFBUTTON2 = windows.MB_DEFBUTTON2
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MB_DEFBUTTON3 = windows.MB_DEFBUTTON3
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WM_DESTROY = 0x0002
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WM_CLOSE = 0x0010
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WM_SETFONT = 0x0030
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WM_SETICON = 0x0080
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WM_NCCREATE = 0x0081
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WM_NCDESTROY = 0x0082
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WM_COMMAND = 0x0111
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WM_SYSCOMMAND = 0x0112
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WM_DPICHANGED = 0x02e0
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WM_USER = 0x0400
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EM_SETSEL = 0x00b1
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LB_ADDSTRING = 0x0180
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LB_GETCURSEL = 0x0188
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LB_GETSELCOUNT = 0x0190
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LB_GETSELITEMS = 0x0191
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MCM_GETCURSEL = 0x1001
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MCM_SETCURSEL = 0x1002
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PBM_SETPOS = WM_USER + 2
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PBM_SETRANGE32 = WM_USER + 6
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PBM_SETMARQUEE = WM_USER + 10
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STM_SETICON = 0x0170
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USER_DEFAULT_SCREEN_DPI = 96
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DPI_AWARENESS_CONTEXT_UNAWARE = ^uintptr(1) + 1
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DPI_AWARENESS_CONTEXT_SYSTEM_AWARE = ^uintptr(2) + 1
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DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE = ^uintptr(3) + 1
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DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2 = ^uintptr(4) + 1
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DPI_AWARENESS_CONTEXT_UNAWARE_GDISCALED = ^uintptr(5) + 1
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IMAGE_BITMAP = 0
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IMAGE_ICON = 1
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IMAGE_CURSOR = 2
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LR_DEFAULTCOLOR = 0x00000000
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LR_MONOCHROME = 0x00000001
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LR_LOADFROMFILE = 0x00000010
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LR_LOADTRANSPARENT = 0x00000020
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LR_DEFAULTSIZE = 0x00000040
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LR_VGACOLOR = 0x00000080
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LR_LOADMAP3DCOLORS = 0x00001000
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LR_CREATEDIBSECTION = 0x00002000
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LR_SHARED = 0x00008000
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)
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func MessageBox(hwnd HWND, text *uint16, caption *uint16, boxtype uint32) (ret int32, err error) {
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return windows.MessageBox(hwnd, text, caption, boxtype)
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}
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func GetWindowThreadProcessId(hwnd HWND, pid *uint32) (tid uint32, err error) {
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return windows.GetWindowThreadProcessId(hwnd, pid)
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}
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func SendMessagePointer(wnd HWND, msg uint32, wparam uintptr, lparam unsafe.Pointer) (ret uintptr) {
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r0, _, _ := syscall.Syscall6(procSendMessageW.Addr(), 4, uintptr(wnd), uintptr(msg), uintptr(wparam), uintptr(lparam), 0, 0)
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ret = uintptr(r0)
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return
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}
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func GetDpiForWindow(wnd HWND) (ret int, err error) {
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if err := procGetDpiForWindow.Find(); err != nil {
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return 0, err
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}
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return getDpiForWindow(wnd), nil
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}
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func SetThreadDpiAwarenessContext(dpiContext uintptr) (ret uintptr, err error) {
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if err := procSetThreadDpiAwarenessContext.Find(); err != nil {
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return 0, err
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}
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return setThreadDpiAwarenessContext(dpiContext), nil
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}
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// https://docs.microsoft.com/en-us/windows/win32/winmsg/using-messages-and-message-queues
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func MessageLoop(wnd HWND) error {
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getMessage := procGetMessageW.Addr()
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translateMessage := procTranslateMessage.Addr()
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dispatchMessage := procDispatchMessageW.Addr()
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isDialogMessage := procIsDialogMessageW.Addr()
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for {
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var msg MSG
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s, _, err := syscall.Syscall6(getMessage, 4, uintptr(unsafe.Pointer(&msg)), 0, 0, 0, 0, 0)
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if int32(s) == -1 {
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return err
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}
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if s == 0 {
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return nil
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}
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s, _, _ = syscall.Syscall(isDialogMessage, 2, uintptr(wnd), uintptr(unsafe.Pointer(&msg)), 0)
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if s == 0 {
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syscall.Syscall(translateMessage, 1, uintptr(unsafe.Pointer(&msg)), 0, 0)
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syscall.Syscall(dispatchMessage, 1, uintptr(unsafe.Pointer(&msg)), 0, 0)
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}
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}
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}
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// https://docs.microsoft.com/en-us/windows/win32/api/winuser/ns-winuser-msg
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type MSG struct {
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Owner syscall.Handle
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Message uint32
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WParam uintptr
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LParam uintptr
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Time uint32
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Pt POINT
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private uint32
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}
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// https://docs.microsoft.com/en-us/windows/win32/api/windef/ns-windef-point
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type POINT struct {
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X, Y int32
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}
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// https://docs.microsoft.com/en-us/windows/win32/api/windef/ns-windef-rect
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type RECT struct {
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Left int32
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Top int32
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Right int32
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Bottom int32
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}
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// https://docs.microsoft.com/en-us/windows/win32/api/winuser/ns-winuser-wndclassexw
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type WNDCLASSEX struct {
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Size uint32
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Style uint32
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WndProc uintptr
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ClsExtra int32
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WndExtra int32
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Instance Handle
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Icon Handle
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Cursor Handle
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Background Handle
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MenuName *uint16
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ClassName *uint16
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IconSm Handle
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}
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//sys CreateIconFromResource(resBits []byte, icon bool, ver uint32) (ret Handle, err error) = user32.CreateIconFromResource
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//sys CreateWindowEx(exStyle uint32, className *uint16, windowName *uint16, style uint32, x int, y int, width int, height int, parent HWND, menu Handle, instance Handle, param unsafe.Pointer) (ret HWND, err error) = user32.CreateWindowExW
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//sys DestroyIcon(icon Handle) (err error) = user32.DestroyIcon
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//sys DestroyWindow(wnd HWND) (err error) = user32.DestroyWindow
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//sys DispatchMessage(msg *MSG) (ret uintptr) = user32.DispatchMessageW
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//sys DefWindowProc(wnd HWND, msg uint32, wparam uintptr, lparam unsafe.Pointer) (ret uintptr) = user32.DefWindowProcW
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//sys EnableWindow(wnd HWND, enable bool) (ok bool) = user32.EnableWindow
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//sys EnumChildWindows(parent HWND, enumFunc uintptr, lparam unsafe.Pointer) = user32.EnumChildWindows
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//sys EnumWindows(enumFunc uintptr, lparam unsafe.Pointer) (err error) = user32.EnumChildWindows
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//sys GetDlgCtrlID(wnd HWND) (ret int) = user32.GetDlgCtrlID
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//sys getDpiForWindow(wnd HWND) (ret int) = user32.GetDpiForWindow
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//sys GetMessage(msg *MSG, wnd HWND, msgFilterMin uint32, msgFilterMax uint32) (ret uintptr) = user32.GetMessageW
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//sys GetSystemMetrics(index int) (ret int) = user32.GetSystemMetrics
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//sys GetWindowDC(wnd HWND) (ret Handle) = user32.GetWindowDC
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//sys GetWindowRect(wnd HWND, cmdShow *RECT) (err error) = user32.GetWindowRect
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//sys GetWindowText(wnd HWND, str *uint16, maxCount int) (ret int, err error) = user32.GetWindowTextW
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//sys GetWindowTextLength(wnd HWND) (ret int, err error) = user32.GetWindowTextLengthW
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//sys IsDialogMessage(wnd HWND, msg *MSG) (ok bool) = user32.IsDialogMessageW
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//sys LoadIcon(instance Handle, resource uintptr) (ret Handle, err error) = user32.LoadIconW
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//sys LoadImage(instance Handle, name *uint16, typ int, cx int, cy int, load int) (ret Handle, err error) = user32.LoadImageW
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//sys PostQuitMessage(exitCode int) = user32.PostQuitMessage
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//sys RegisterClassEx(cls *WNDCLASSEX) (err error) = user32.RegisterClassExW
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//sys ReleaseDC(wnd HWND, dc Handle) (ok bool) = user32.ReleaseDC
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//sys SendMessage(wnd HWND, msg uint32, wparam uintptr, lparam uintptr) (ret uintptr) = user32.SendMessageW
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//sys SetFocus(wnd HWND) (ret HWND, err error) = user32.SetFocus
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//sys SetForegroundWindow(wnd HWND) (ok bool) = user32.SetForegroundWindow
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//sys setThreadDpiAwarenessContext(dpiContext uintptr) (ret uintptr) = user32.SetThreadDpiAwarenessContext
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//sys SetWindowLong(wnd HWND, index int, newLong int) (ret int, err error) = user32.SetWindowLongW
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//sys SetWindowPos(wnd HWND, wndInsertAfter HWND, x int, y int, cx int, cy int, flags int) (err error) = user32.SetWindowPos
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//sys SetWindowText(wnd HWND, text *uint16) (err error) = user32.SetWindowTextW
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//sys ShowWindow(wnd HWND, cmdShow int) (ok bool) = user32.ShowWindow
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//sys TranslateMessage(msg *MSG) (ok bool) = user32.TranslateMessage
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//sys UnregisterClass(className *uint16, instance Handle) (err error) = user32.UnregisterClassW
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