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我有一个编辑控件作为其子窗口。控制是焦点。每当我切换到其他应用程序时,控件都会失去焦点(模糊)。我是否必须跟踪重点控制,以便在再次返回应用程序时手动对焦?或者我做错了什么?我希望Windows会自动跟踪这些事情,但是谁知道?Win32 GUI:编辑控件模糊
我在使用Win32平原℃。实施例:
#include <windows.h>
#define NAME "test"
LRESULT CALLBACK WinProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
HWND edit1, edit2;
switch (msg)
{
case WM_CREATE:
edit1 = CreateWindow("edit", "", WS_CHILD|WS_VISIBLE, 0, 0, 200, 50, hWnd, NULL, NULL, NULL);
edit2 = CreateWindow("edit", "", WS_CHILD|WS_VISIBLE, 250, 0, 200, 50, hWnd, NULL, NULL, NULL);
return 0;
case WM_CLOSE:
DestroyWindow(hWnd);
return 0;
case WM_DESTROY:
PostQuitMessage(0);
return 0;
}
return DefWindowProc(hWnd, msg, wParam, lParam);
}
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
WNDCLASS wc;
wc.style = 0;
wc.lpfnWndProc = WinProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = hInstance;
wc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH)(COLOR_BTNFACE + 1);
wc.lpszMenuName = NAME;
wc.lpszClassName = NAME;
RegisterClass(&wc);
HWND win;
win = CreateWindow(NAME, "test", WS_OVERLAPPEDWINDOW, 0, 0, 500, 500, NULL, NULL, hInstance, NULL);
ShowWindow(win, nCmdShow);
UpdateWindow(win);
MSG msg;
while(GetMessage(&msg, NULL, 0, 0) > 0)
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return msg.wParam;
}
如果它是一个对话框,它会自动对焦回来? – 2010-02-10 00:10:48
我不确定,但我认为是。检查出来很容易;只需在某些应用程序中调出常规对话框,然后使用Alt + Tab(而不是鼠标)切换。 – 2010-02-10 01:51:29