teratail
回答率
85.47%
質問するログイン新規登録
トップに関する質問C++WINAPIでどのMDI子ウィンドウが破棄されたかが知る方法を知りたい

編集履歴

質問編集履歴

2

コードの要約

2020/12/17 11:15

投稿

tettyA
tettyA

スコア93

test CHANGED
File without changes
test CHANGED
@@ -56,9 +56,7 @@
56
56
 
57
57
  case WM_DESTROY:
58
58
 
59
- DeleteObject(hBitmap);
60
-
61
- PostQuitMessage(0);
59
+ ...
62
60
 
63
61
  return 0;
64
62
 
@@ -96,144 +94,28 @@
96
94
 
97
95
  );
98
96
 
99
- hChildWndTil = CreateMDIWindow(MDI_CHILD, TEXT("タイル"), WS_OVERLAPPEDWINDOW,
100
-
101
- 0, 300,
102
-
103
- 300, 300,
104
-
105
- hClientWindow, hIns, 0
106
-
107
- );
108
-
109
97
  }
110
98
 
111
-
99
+ ...
100
+
101
+ return 0;
102
+
103
+ case WM_SIZE:
104
+
105
+ ...
106
+
107
+ return 0;
108
+
109
+ case WM_PAINT:
110
+
111
+
112
+
113
+ break;
114
+
115
+ case WM_COMMAND:
112
116
 
113
117
 
114
118
 
115
-
116
-
117
-
118
-
119
- hBitmap = LoadBitmap(
120
-
121
- ((LPCREATESTRUCT)lp)->hInstance,
122
-
123
- TEXT("IDB_BITMAP2")
124
-
125
- );
126
-
127
- hToolbar = CreateToolbarEx(
128
-
129
- hWnd,
130
-
131
- WS_CHILD | WS_VISIBLE,
132
-
133
- IDR_TOOLBAR1,
134
-
135
- 10,
136
-
137
- NULL,
138
-
139
- (UINT_PTR)hBitmap,
140
-
141
- tbs,
142
-
143
- 18,
144
-
145
- 0, 0,
146
-
147
- 16, 16,
148
-
149
- sizeof(TBBUTTON)
150
-
151
- );
152
-
153
- hStatus = CreateWindowEx(
154
-
155
- NULL,
156
-
157
- STATUSCLASSNAME,
158
-
159
- NULL,
160
-
161
- WS_CHILD
162
-
163
- | SBARS_SIZEGRIP
164
-
165
- | CCS_BOTTOM
166
-
167
- | WS_VISIBLE,
168
-
169
- 0, 0, 0, 0,
170
-
171
- hWnd,
172
-
173
- (HMENU)ID_STATUS,
174
-
175
- ((LPCREATESTRUCT)lp)->hInstance,
176
-
177
- NULL
178
-
179
- );
180
-
181
- return 0;
182
-
183
- case WM_SIZE:
184
-
185
- int wx, wy, sx, sy;
186
-
187
- RECT rc;
188
-
189
- GetWindowRect(hToolbar, &rc);
190
-
191
- SendMessage(hToolbar, WM_SIZE, wp, lp);
192
-
193
- SendMessage(hStatus, msg, wp, lp);
194
-
195
- SbSize[0] = LOWORD(lp) - 400;
196
-
197
- SbSize[1] = -1;
198
-
199
- SendMessage(hStatus, SB_SETPARTS, 2, (LPARAM)SbSize);
200
-
201
- //文字を挿入
202
-
203
- SendMessage(hStatus, SB_SETTEXT, 0 | 1, (WPARAM)TEXT("マップのサイズ:100x40 グリッドのサイズ:16x16"));
204
-
205
- SendMessage(hStatus, SB_SETTEXT, 0 | 0, (WPARAM)TEXT("X:0 Y:0 種類:0 横幅:16 高さ:16"));
206
-
207
- SendMessage(hStatus, WM_SIZE, wp, lp);
208
-
209
-
210
-
211
- GetWindowRect(hStatus, &rc);
212
-
213
- sx = rc.right - rc.left;
214
-
215
- sy = rc.bottom - rc.top;
216
-
217
- wx = LOWORD(lp);
218
-
219
- wy = HIWORD(lp);
220
-
221
- wy -= sy;
222
-
223
- MoveWindow(hClientWindow, 0, 30, wx, wy-30, TRUE);
224
-
225
- return 0;
226
-
227
- case WM_PAINT:
228
-
229
-
230
-
231
- break;
232
-
233
- case WM_COMMAND:
234
-
235
-
236
-
237
119
  switch (LOWORD(wp))
238
120
 
239
121
  {
@@ -252,7 +134,7 @@
252
134
 
253
135
  else {//ついていない
254
136
 
255
- hCHildWndMap = CreateMDIWindow(MDI_CHILD, TEXT("ミニマップ"), 0,
137
+ hCHildWndMap = CreateMDIWindow(MDI_CHILD, TEXT("マップ"), 0,
256
138
 
257
139
  0, 0,
258
140
 

1

コードの追加

2020/12/17 11:15

投稿

tettyA
tettyA

スコア93

test CHANGED
File without changes
test CHANGED
@@ -1,3 +1,335 @@
1
1
  二つ以上のMDI子ウィンドウから成るMDIアプリケーションに於いて、利用者が自らの手でそのウィンドウを削除したときに、どのMDI子ウィンドウが削除されたかを知る術はありますか。
2
2
 
3
3
  もしあったら、その方法も教えてださい。
4
+
5
+
6
+
7
+ ```C++
8
+
9
+ #include <windows.h>
10
+
11
+ #include <commctrl.h>
12
+
13
+
14
+
15
+ #include "resource.h"
16
+
17
+ #include "common.h"
18
+
19
+
20
+
21
+ #pragma comment(lib,"comctl32.lib")
22
+
23
+
24
+
25
+ #define TITLE TEXT("MDI")
26
+
27
+ #define MDI_FRAME TEXT("FRAMEWINDOW")
28
+
29
+ #define MDI_CHILD TEXT("MDICHILD")
30
+
31
+
32
+
33
+ HINSTANCE hIns;//現在のインターフェース
34
+
35
+ HWND hCHildWndMap;
36
+
37
+ HWND hChildWndTil;
38
+
39
+ HWND hToolWnd;
40
+
41
+ #define ID_CHILDWND 0x100
42
+
43
+ LRESULT CALLBACK FrameProc(HWND hWnd, UINT msg, WPARAM wp, LPARAM lp) {
44
+
45
+ static HWND hToolbar;
46
+
47
+ static HBITMAP hBitmap;
48
+
49
+ CLIENTCREATESTRUCT ccsClient;
50
+
51
+ static HWND hClientWindow;
52
+
53
+ switch (msg)
54
+
55
+ {
56
+
57
+ case WM_DESTROY:
58
+
59
+ DeleteObject(hBitmap);
60
+
61
+ PostQuitMessage(0);
62
+
63
+ return 0;
64
+
65
+ case WM_CREATE:
66
+
67
+ InitCommonControls();
68
+
69
+ ccsClient.idFirstChild = ID_CHILDWND;
70
+
71
+
72
+
73
+ hClientWindow = CreateWindow(TEXT("MDICLIENT"), NULL,
74
+
75
+ WS_CHILD | WS_CLIPCHILDREN | WS_VISIBLE | WS_CLIPSIBLINGS,
76
+
77
+ 0, 0, 0, 0, hWnd, (HMENU)1, ((LPCREATESTRUCT)lp)->hInstance, &ccsClient
78
+
79
+ );
80
+
81
+ {
82
+
83
+ RECT wndrct;
84
+
85
+ GetWindowRect(hWnd, &wndrct);
86
+
87
+
88
+
89
+ hCHildWndMap = CreateMDIWindow(MDI_CHILD, TEXT("マップ"), 0,
90
+
91
+ 0, 0,
92
+
93
+ 300, 300,
94
+
95
+ hClientWindow, hIns, 0
96
+
97
+ );
98
+
99
+ hChildWndTil = CreateMDIWindow(MDI_CHILD, TEXT("タイル"), WS_OVERLAPPEDWINDOW,
100
+
101
+ 0, 300,
102
+
103
+ 300, 300,
104
+
105
+ hClientWindow, hIns, 0
106
+
107
+ );
108
+
109
+ }
110
+
111
+
112
+
113
+
114
+
115
+
116
+
117
+
118
+
119
+ hBitmap = LoadBitmap(
120
+
121
+ ((LPCREATESTRUCT)lp)->hInstance,
122
+
123
+ TEXT("IDB_BITMAP2")
124
+
125
+ );
126
+
127
+ hToolbar = CreateToolbarEx(
128
+
129
+ hWnd,
130
+
131
+ WS_CHILD | WS_VISIBLE,
132
+
133
+ IDR_TOOLBAR1,
134
+
135
+ 10,
136
+
137
+ NULL,
138
+
139
+ (UINT_PTR)hBitmap,
140
+
141
+ tbs,
142
+
143
+ 18,
144
+
145
+ 0, 0,
146
+
147
+ 16, 16,
148
+
149
+ sizeof(TBBUTTON)
150
+
151
+ );
152
+
153
+ hStatus = CreateWindowEx(
154
+
155
+ NULL,
156
+
157
+ STATUSCLASSNAME,
158
+
159
+ NULL,
160
+
161
+ WS_CHILD
162
+
163
+ | SBARS_SIZEGRIP
164
+
165
+ | CCS_BOTTOM
166
+
167
+ | WS_VISIBLE,
168
+
169
+ 0, 0, 0, 0,
170
+
171
+ hWnd,
172
+
173
+ (HMENU)ID_STATUS,
174
+
175
+ ((LPCREATESTRUCT)lp)->hInstance,
176
+
177
+ NULL
178
+
179
+ );
180
+
181
+ return 0;
182
+
183
+ case WM_SIZE:
184
+
185
+ int wx, wy, sx, sy;
186
+
187
+ RECT rc;
188
+
189
+ GetWindowRect(hToolbar, &rc);
190
+
191
+ SendMessage(hToolbar, WM_SIZE, wp, lp);
192
+
193
+ SendMessage(hStatus, msg, wp, lp);
194
+
195
+ SbSize[0] = LOWORD(lp) - 400;
196
+
197
+ SbSize[1] = -1;
198
+
199
+ SendMessage(hStatus, SB_SETPARTS, 2, (LPARAM)SbSize);
200
+
201
+ //文字を挿入
202
+
203
+ SendMessage(hStatus, SB_SETTEXT, 0 | 1, (WPARAM)TEXT("マップのサイズ:100x40 グリッドのサイズ:16x16"));
204
+
205
+ SendMessage(hStatus, SB_SETTEXT, 0 | 0, (WPARAM)TEXT("X:0 Y:0 種類:0 横幅:16 高さ:16"));
206
+
207
+ SendMessage(hStatus, WM_SIZE, wp, lp);
208
+
209
+
210
+
211
+ GetWindowRect(hStatus, &rc);
212
+
213
+ sx = rc.right - rc.left;
214
+
215
+ sy = rc.bottom - rc.top;
216
+
217
+ wx = LOWORD(lp);
218
+
219
+ wy = HIWORD(lp);
220
+
221
+ wy -= sy;
222
+
223
+ MoveWindow(hClientWindow, 0, 30, wx, wy-30, TRUE);
224
+
225
+ return 0;
226
+
227
+ case WM_PAINT:
228
+
229
+
230
+
231
+ break;
232
+
233
+ case WM_COMMAND:
234
+
235
+
236
+
237
+ switch (LOWORD(wp))
238
+
239
+ {
240
+
241
+ case IDM_NEWMINIMAP:
242
+
243
+ //チェックがついている
244
+
245
+ if (GetMenuState(GetMenu(hWnd), IDM_NEWMINIMAP, MF_BYCOMMAND) & MFS_CHECKED) {
246
+
247
+ SendMessage(hClientWindow, WM_MDIDESTROY, (WPARAM)hCHildWndMap, 0);
248
+
249
+ CheckMenuItem(GetMenu(hWnd), IDM_NEWMINIMAP, MFS_UNCHECKED);
250
+
251
+ }
252
+
253
+ else {//ついていない
254
+
255
+ hCHildWndMap = CreateMDIWindow(MDI_CHILD, TEXT("ミニマップ"), 0,
256
+
257
+ 0, 0,
258
+
259
+ 300, 300,
260
+
261
+ hClientWindow, hIns, 0
262
+
263
+ );
264
+
265
+ CheckMenuItem(GetMenu(hWnd), IDM_NEWMINIMAP, MFS_CHECKED);
266
+
267
+ }
268
+
269
+ break;
270
+
271
+ }
272
+
273
+ }
274
+
275
+ return DefFrameProc(hWnd, hClientWindow, msg, wp, lp);
276
+
277
+ }
278
+
279
+ int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
280
+
281
+ PSTR lpCmdLine, int nCmdShow) {
282
+
283
+ HWND hWnd;
284
+
285
+ MSG msg;
286
+
287
+ WNDCLASS winc;
288
+
289
+ hIns = hInstance;
290
+
291
+
292
+
293
+ ...
294
+
295
+
296
+
297
+ winc.lpfnWndProc = DefMDIChildProc;
298
+
299
+ winc.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
300
+
301
+ winc.lpszClassName = MDI_CHILD;
302
+
303
+
304
+
305
+
306
+
307
+ if (!RegisterClass(&winc)) return 1;
308
+
309
+
310
+
311
+ hWnd = CreateWindow(
312
+
313
+ MDI_FRAME, TITLE,
314
+
315
+ WS_OVERLAPPEDWINDOW|WS_MAXIMIZE|WS_VISIBLE|WS_CLIPCHILDREN,
316
+
317
+ CW_USEDEFAULT, CW_USEDEFAULT,
318
+
319
+ CW_USEDEFAULT, CW_USEDEFAULT,
320
+
321
+ NULL, NULL, hInstance, NULL
322
+
323
+ );
324
+
325
+
326
+
327
+ ...
328
+
329
+
330
+
331
+ return msg.wParam;
332
+
333
+ }
334
+
335
+ ```