能力值:
(RANK:410 )
2 楼
char szBuff[256] = {0};
GetWindowText(HwndTxt,szBuff,sizeof(szBuff));
MessageBox(0,szBuff,NULL,MB_OK);
能力值:
( LV3,RANK:20 )
3 楼
我定义了句柄为什么说我没有定义呢。 ------------------------------------------------------------------------- #define STRICT
#include<windows.h>
#include<windowsx.h>
#include<string.h>
#include "stdio.h"
#include "stdlib.h"
#define ID_EDIT 2
char Name[]="Encoders v1.0";
char Txt[256] ="my txt!";
LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);
#pragma warning (disable:4068)
#pragma argsused
int WINAPI WinMain(HINSTANCE hInst,HINSTANCE hPrevInstance,
LPSTR lpszCmdParam,int nCmdShow)
{
HWND hwnd;
HWND HwndTxt;
MSG Msg;
WNDCLASS WndClass;
memset(&WndClass,0,sizeof(WNDCLASS));
WndClass.style = 0;
WndClass.lpfnWndProc = WndProc;
WndClass.hInstance = hInst;
WndClass.hbrBackground = (HBRUSH)(COLOR_WINDOW);/*ÆäËûÑÕÉ«¿ÉÒÔÓÃGetStockObject()(HBRUSH)(COLOR_WINDOW+1)Ϊ°×É« COLOR_WINDOW*/
WndClass.lpszClassName = Name;
WndClass.hIcon = LoadIcon(hInst,MAKEINTRESOURCE(11)) ; //¼ÓÔØͼ±ê¡£ÕâÑù¼ÓÔØ¿ÉÒÔÔÚ±êÌâÀ¸ÏÔʾ³öÀ´¡£
RegisterClass(&WndClass);
hwnd = CreateWindow(Name,Name,WS_OVERLAPPEDWINDOW&~WS_MAXIMIZEBOX&~WS_THICKFRAME/*WS_THICKFRAME¿Éµ÷´óСµÄ*/, /*& ~ È¥µôÁË×î´ó»¯Ïî¡£*/
400,300,400,200,NULL,NULL,hInst,NULL);
HwndTxt = CreateWindow (
"edit",
Txt,
WS_CHILD|WS_VISIBLE|WS_BORDER|BS_TEXT,
10, 10, 100,22,
hwnd,
(HMENU) 5,
hInst,
NULL
);
DragAcceptFiles(hwnd,TRUE);//°ÑÎļþÍÏקÊôÐÔ´ò¿ª
ShowWindow(hwnd,nCmdShow);
UpdateWindow(hwnd);
while(GetMessage(&Msg,NULL,0,0))
{
TranslateMessage(&Msg);
DispatchMessage(&Msg);
}
return Msg.wParam;
}
LRESULT CALLBACK WndProc(HWND hwnd,UINT Message,
WPARAM wParam,LPARAM lParam)
{
int wmId, wmEvent;
PAINTSTRUCT ps;
HDC hdc,hdc1;
switch (Message)
{
case WM_COMMAND:
break; case WM_DROPFILES:
{ //µ±ÎļþÍϽøÀ´Ê±
TCHAR szBuf[ MAX_PATH ]={0};
DragQueryFile((HDROP)wParam, 0, szBuf, MAX_PATH-1); //Èç¹û¶à¸öÎļþ±»ÍÏקµÄÇé¿öֻȡ×îºóÒ»¸öÎÄ
DragFinish((HDROP)wParam);
GetWindowText(HwndTxt,Txt,sizeof(Txt));
MessageBox(0,Txt,NULL,MB_OK);
MessageBox(hwnd, Txt,("EDIT"), MB_ICONINFORMATION);
MessageBox(hwnd, szBuf,("¸ñʽ»¯³É¹¦£¡"), MB_ICONINFORMATION);
}
break;
case WM_PAINT:
hdc = BeginPaint(hwnd, &ps);
TextOut(hdc, 10,40, ("enter password and flag the file in!!!!"),lstrlen(("enter password and flag the file in!!!!")));
HDC hdc1;
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hwnd, Message, wParam, lParam);
}
return 0;
}
能力值:
( LV3,RANK:20 )
4 楼
..............
case WM_PAINT:
GetWindowText(HwndTxt,Txt,sizeof(Txt));
HDC hdc1;
..........................
放在消息循环中也是:error C2065: 'HwndTxt' : undeclared identifier
未定义。。。
能力值:
( LV2,RANK:10 )
5 楼
把 HWND HwndTxt; 放到 WinMain 前面变成全局变量就行了。
不然你在 WinMain里面定义的变量怎么能被WinProc里面的代码访问到?
能力值:
( LV3,RANK:20 )
6 楼
已解决。WINAPI WinMain放在循环中就可以了。
可是为什么WndProc过程函数中说句柄未定义呢???
WINAPI WinMain(){
.......
while(GetMessage(&Msg,NULL,0,0))
{
GetWindowText(HwndTxt,Txt,sizeof(Txt));
TranslateMessage(&Msg);
DispatchMessage(&Msg);
}
return Msg.wParam;
..........
}