windows C++ Win32api，创建一个没有资源的对话框
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C++ Win32api, creating a dialog box without resource
提问by huff
I'm new to win32api programming. I would like to know how to create a dialog box within a non-gui program (without any resource created).
我是 win32api 编程的新手。我想知道如何在非 gui 程序中创建一个对话框（没有创建任何资源）。
I've seen some examples with that CreateIndirectfunction. Is it the best method? Any other way?
我已经看到了一些具有该CreateIndirect功能的示例。这是最好的方法吗？还有什么办法吗？
Thanks!
谢谢！
回答by John Knoeller
You would use DialogBoxIndirectParamor CreateDialogIndirectParam
您将使用DialogBoxIndirectParam或CreateDialogIndirectParam
With these functions, its a bit more work, but it's possible to imbed a simple dialog template as an initialized static struct in your code. The format of a dialog template has some inplace variable sized arrays, so you have to have a struct declaration that is specific to a particular dialog, but this works OK for debug code.
使用这些函数，它需要做更多的工作，但是可以在代码中嵌入一个简单的对话框模板作为初始化的静态结构。对话框模板的格式有一些就地可变大小的数组，因此您必须有一个特定于特定对话框的结构声明，但这对于调试代码是可行的。
Something like this
像这样的东西
#define DLGTITLE L"Debug"
#define DLGFONT L"MS Sans Serif"
#define DLGAPPLY L"&Apply"
#define DLGCANCEL L"&Cancel"
#define NUMCHARS(aa) (sizeof(aa)/sizeof((aa)[0]))
#define IDC_BITMAP 99
#pragma pack(push, 4)
static struct { // dltt
DWORD style;
DWORD dwExtendedStyle;
WORD ccontrols;
short x;
short y;
short cx;
short cy;
WORD menu; // name or ordinal of a menu resource
WORD windowClass; // name or ordinal of a window class
WCHAR wszTitle[NUMCHARS(DLGTITLE)]; // title string of the dialog box
short pointsize; // only if DS_SETFONT flag is set
WCHAR wszFont[NUMCHARS(DLGFONT)]; // typeface name, if DS_SETFONT is set
// control info
//
struct {
DWORD style;
DWORD exStyle;
short x;
short y;
short cx;
short cy;
WORD id;
WORD sysClass; // 0xFFFF identifies a system window class
WORD idClass; // ordinal of a system window class
WCHAR wszTitle[NUMCHARS(DLGAPPLY)];
WORD cbCreationData; // bytes of following creation data
// WORD wAlign; // align next control to DWORD boundry.
} apply;
struct {
DWORD style;
DWORD exStyle;
short x;
short y;
short cx;
short cy;
WORD id;
WORD sysClass; // 0xFFFF identifies a system window class
WORD idClass; // ordinal of a system window class
WCHAR wszTitle[NUMCHARS(DLGCANCEL)];
WORD cbCreationData; // bytes of following creation data
} cancel;
struct {
DWORD style;
DWORD exStyle;
short x;
short y;
short cx;
short cy;
WORD id;
WORD sysClass; // 0xFFFF identifies a system window class
WORD idClass; // ordinal of a system window class
WCHAR wszTitle[1]; // title string or ordinal of a resource
WORD cbCreationData; // bytes of following creation data
} bitmap;
} g_DebugDlgTemplate = {
WS_POPUP | WS_VISIBLE | WS_CAPTION | WS_SYSMENU // style 0x94c800c4
| DS_MODALFRAME | DS_3DLOOK
| DS_SETFONT,
0x0, // exStyle;
3, // ccontrols
0, 0, 300, 180,
0, // menu: none
0, // window class: none
DLGTITLE, // Window caption
8, // font pointsize
DLGFONT,
{
WS_CHILD | WS_VISIBLE | WS_TABSTOP | WS_GROUP | BS_DEFPUSHBUTTON, // 0x50030001
WS_EX_NOPARENTNOTIFY, // 0x4
190,160,50,14,
IDOK,
0xFFFF, 0x0080, // button
DLGAPPLY, 0,
},
{
WS_CHILD | WS_VISIBLE | WS_TABSTOP | BS_PUSHBUTTON, // 0x50010000
WS_EX_NOPARENTNOTIFY, // 0x4
244,160,50,14,
IDCANCEL,
0xFFFF, 0x0080, // button
DLGCANCEL, 0,
},
{
WS_CHILD | WS_VISIBLE | WS_GROUP | SS_LEFT, // 0x50020000
WS_EX_NOPARENTNOTIFY, // 0x4
6,6,288,8,
IDC_BITMAP,
0xFFFF, 0x0082, // static
L"", 0,
},
};
#pragma pack(pop)
INT_PTR CALLBACK Debug_DlgProc (
HWND hwnd,
UINT uMsg,
WPARAM wParam,
LPARAM lParam)
{
switch (uMsg)
{
case WM_INITDIALOG:
{
}
break;
case WM_COMMAND:
{
UINT wId = LOWORD(wParam);
if (wId == IDOK || wId == IDCANCEL)
{
EndDialog (hwnd, wId);
}
}
break;
case WM_CLOSE:
EndDialog(hwnd, IDCANCEL);
break;
}
return FALSE;
}
LRESULT DoDebugDialog(HWND hwndApp, LPVOID pvData)
{
HINSTANCE hinst = hwndApp ? (HINSTANCE)(LONG_PTR)GetWindowLongPtr(hwndApp, GWLP_HINSTANCE)
: (HINSTANCE)GetModuleHandle(NULL);
return DialogBoxIndirectParamW (hinst, (LPCDLGTEMPLATEW)&g_DebugDlgTemplate, hwndApp,
Debug_DlgProc, (LPARAM)pvData);
}
A more sophisticated solution would be to build up a dialog template structure in memory, but this works well for debug code where the dialog itself doesn't change much.
一个更复杂的解决方案是在内存中建立一个对话框模板结构，但这对于对话框本身没有太大变化的调试代码很有效。
