获取MessageBox按钮本地字符串(OK、Cancel、Yes、No等)

问题仍然由定制MessageBox引发。

定制MessageBox,虽加入自定义些东西,但仍然希望,最大限度接近系统原生框。碰到的问题,就是其钮文本。

即如MessageBox.Show()之MessageBoxButtons(c#)或MessageBox()之MB_OKCANCEL之类。

遍找网络,功夫不负有心人,终于找到!

一、GetModuleHandle、LoadString与user32.dll

所用到的资源,存在于user32.dll中,其编号以8开头,定义其常量为:

c#:

        [DllImport("kernel32")]
static extern IntPtr GetModuleHandle(string lpFileName);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
static extern int LoadString(IntPtr hInstance, uint uID, StringBuilder lpBuffer, int nBufferMax); private const uint OK_CAPTION = ;
private const uint CANCEL_CAPTION = ;
private const uint ABORT_CAPTION = ;
private const uint RETRY_CAPTION = ;
private const uint IGNORE_CAPTION = ;
private const uint YES_CAPTION = ;
private const uint NO_CAPTION = ;
private const uint CLOSE_CAPTION = ;
private const uint HELP_CAPTION = ;
private const uint TRYAGAIN_CAPTION = ;
private const uint CONTINUE_CAPTION = ;

Delphi:

const
OK_CAPTION = ;
CANCEL_CAPTION = ;
ABORT_CAPTION = ;
RETRY_CAPTION = ;
IGNORE_CAPTION = ;
YES_CAPTION = ;
NO_CAPTION = ;
CLOSE_CAPTION = ;
HELP_CAPTION = ;
TRYAGAIN_CAPTION = ;
CONTINUE_CAPTION = ;

二、获取

根据以上资源,写获取函数为:

c#:

        private string LoadWindowsStr(string libraryName, uint ident, string defaultText = "")
{
IntPtr ptr = GetModuleHandle(libraryName);
if (ptr == IntPtr.Zero)
return defaultText; var sb = new StringBuilder();
int len = LoadString(ptr, ident, sb, sb.Capacity);
if (len == )
return defaultText; return sb.ToString();
} private void Form1_Load(object sender, EventArgs e)
{
string s = string.Empty;
for (uint i = OK_CAPTION; i <= CONTINUE_CAPTION; i++)
s += LoadWindowsStr("user32.dll", i, string.Empty) + "\r\n"; textBox2.Text = s;
}

Delphi:

function LoadWindowsStr(const LibraryName: String; const AIdent: Integer;
const ADefaultText: String = ''): String;
var
hLibrary: THandle;
iSize: Integer;
begin
hLibrary := GetModuleHandle(PChar(LibraryName));
if (hLibrary <> ) then
begin
SetLength(Result, MAX_PATH);
iSize := LoadString(hLibrary, AIdent, PChar(Result), MAX_PATH);
if (iSize > ) then
SetLength(Result, iSize)
else
Result := ADefaultText;
end
else
Result := ADefaultText;
end; procedure TForm1.FormCreate(Sender: TObject);
var
i: Integer;
begin
Memo1.Clear;
for i := OK_CAPTION to CONTINUE_CAPTION do
Memo1.Lines.Append(LoadWindowsStr('user32.dll', i));
end;

三、效果:

验证获取字串如下,以中、日、英为例:

确定
取消
中止(&A)
重试(&R)
忽略(&I)
是(&Y)
否(&N)
关闭(&C)
帮助
重试(&T)
继续(&C)
OK
キャンセル
中止(&A)
再試行(&R)
無視(&I)
はい(&Y)
いいえ(&N)
閉じる(&C)
ヘルプ
再実行(&T)
続行(&C)
OK
Cancel
&Abort
&Retry
&Ignore
&Yes
&No
&Close
Help
&Try Again
&Continue

OK,问题解决。

参考资料:

c# - c # - Sì / No valore del sistema - CoreDump.one

c# - How do I get MessageBox button caption? - Stack Overflow

Delphi tips

LoadString() 中 uID 的资料在哪

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