我晕，这个WIN32 API程序怎么不显示文本？

Question

本帖最后由 Angle_sean4 于 2012-03-05 03:06:19 编辑

Answer 1

工程我已经上传了，帮我看看问题在哪儿吧，老是不显示文本啊，资源在
http://download.csdn.net/download/angle_sean4/4114508 下载不要分的

Answer 2

怎么这么大11M。可以把debug下的删除后压缩。

Answer 3

//load 2次？
hResource=LoadResource(hInst,FindResource(hInst,TEXT("AnnbelLee"),TEXT("TEXT")));
pText=(char*)LoadResource(NULL,hResource);
// 改为：
pText=(char*)LoadResource(hInst,FindResource(hInst,TEXT("ANNBELLEE"),TEXT("TEXT")));

Answer 4

//可以显示了：#include <Windows.h>
#include "resource.h"
HINSTANCE hInst;
LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);
int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR szCmdLine,int iCmdShow ){
TCHAR szAppName[16],szCaption[64],szErrMsg[64];
HWND hwnd;
MSG msg;
WNDCLASS wndclass;
LoadString(hInstance,IDS_APPNAME,szAppName,sizeof(szAppName)/sizeof(TCHAR));
LoadString(hInstance,IDS_CAPTION,szCaption,sizeof(szCaption)/sizeof(TCHAR)); wndclass.style=CS_HREDRAW|CS_VREDRAW;
wndclass.lpfnWndProc=WndProc;
wndclass.cbClsExtra=0;
wndclass.cbWndExtra=0;
wndclass.hInstance=hInstance;
wndclass.hIcon=LoadIcon(hInstance,szAppName);
wndclass.hCursor=LoadCursor(NULL,IDC_ARROW);
wndclass.hbrBackground=(HBRUSH)GetStockObject(WHITE_BRUSH);
wndclass.lpszMenuName=NULL;
wndclass.lpszClassName=szAppName; if(!RegisterClass(&wndclass)){
LoadStringA(hInstance,IDS_APPNAME,(char*)szAppName,sizeof(szAppName));
LoadStringA(hInstance,IDS_ERRMSG,(char*)szErrMsg,sizeof(szErrMsg));
MessageBoxA(NULL,(char*)szErrMsg,(char*)szAppName,MB_ICONERROR);
return 0;
}
hwnd=CreateWindow(szAppName,szCaption,WS_OVERLAPPEDWINDOW|WS_CLIPCHILDREN,
CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,NULL,NULL,hInstance,NULL);
ShowWindow(hwnd,iCmdShow);
UpdateWindow(hwnd);
while(GetMessage(&msg,NULL,0,0)){
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return msg.wParam;
}LRESULT CALLBACK WndProc(HWND hwnd,UINT mesaage,WPARAM wparam,LPARAM lparam)
{
static char *pText;
static HGLOBAL hResource=0;
static HWND hScroll=0;
static int iPostion,cxChar,cyChar,cyClient,iNumLines,xScroll;
//
char *pTmpText;
HDC hdc;
PAINTSTRUCT ps;
RECT rect;
TEXTMETRIC tm;
switch(mesaage)
{
case WM_CREATE:
hdc=GetDC(hwnd);
GetTextMetrics(hdc,&tm);
cxChar=tm.tmAveCharWidth;
cyChar=tm.tmHeight+tm.tmExternalLeading;
ReleaseDC(hwnd,hdc);
xScroll=GetSystemMetrics(SM_CXVSCROLL);
hScroll=CreateWindow(TEXT("scrollbar"),NULL,WS_CHILD|WS_VISIBLE|SBS_VERT,
0,0,0,0,hwnd,(HMENU)1,hInst,NULL);
hResource=FindResource(hInst,TEXT("ANNBELLEE"),TEXT("TEXT"));
pText=(char*)LoadResource(hInst,hResource);
iNumLines=0;
// save the point
pTmpText=pText;

while(*pText!='\\' && *pText!='\0')
{
if(*pText=='\n') iNumLines++;
pText = CharNext(pText);
}
*pText='\0';
// restore
pText=pTmpText; SetScrollRange(hScroll,SB_CTL,0,iNumLines,FALSE);
SetScrollPos(hScroll,SB_CTL,0,FALSE);
return 0;
case WM_SIZE:
MoveWindow(hScroll,LOWORD(lparam)-xScroll,0,xScroll,cyClient=HIWORD(lparam),TRUE);
// SetFocus(hwnd);
return 0;
// case WM_SETFOCUS:
// SetFocus(hScroll);
// return 0;
case WM_VSCROLL:
switch(wparam)
{
case SB_TOP:
iPostion=0;
break;
case SB_BOTTOM:
iPostion=iNumLines;
break;
case SB_LINEUP:
--iPostion;
break;
case SB_LINEDOWN:
++iPostion;
break;
case SB_PAGEUP:
iPostion-=cyClient/cyChar;
break;
case SB_PAGEDOWN:
iPostion+=cyClient/cyChar;
break;
case SB_THUMBPOSITION:
iPostion=LOWORD(lparam);
break;
}
iPostion=max(0,min(iPostion,iNumLines));
if(iPostion!=GetScrollPos(hScroll,SB_CTL)){
SetScrollPos(hScroll,SB_CTL,iPostion,TRUE);
InvalidateRect(hwnd,NULL,TRUE);
}
return 0;
case WM_PAINT:
hdc=BeginPaint(hwnd,&ps);
//pText=(char*)LoadResource(NULL,hResource);
GetClientRect(hwnd,&rect);
rect.left+=cxChar;
rect.top+=cyChar*(1-iPostion);
DrawTextA(hdc,pText,-1,&rect,DT_EXTERNALLEADING);
EndPaint(hwnd,&ps);
return 0;
case WM_DESTROY:
FreeResource(hResource);
PostQuitMessage(0);
return 0;
}
return DefWindowProc(hwnd,mesaage,wparam,lparam);
}

Answer 5

应该是pText=(char*)LockResource(hResource);