CHAR 和 WCHAR 的区别..

2009-08-16 03:49:03 448 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

奥比中光Dabai深度相机SDK在Ubuntu22.04的兼容性安装指南本文详细指导如何在Ubuntu22.04系统上安装奥比中光Dabai深度相机的SDK。针对新旧版本不兼容的核心问题，重点推荐使用经过验证的v1.10.18版本SDK，并提供了从系统依赖检查、SDK下载安装、Python环境配置到编译测试的完整步骤，帮助用户成功解决安装难题并实现相机驱动。阅读详情

#include <windows.h>





LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);



HINSTANCE hInst;



int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR lpCmdLine,

				   int iCmdShow)

{



	MSG msg;

	HWND hwnd;



	WNDCLASS wc;





	wc.lpszClassName = TEXT("GenericAppClass");

	wc.lpfnWndProc = WndProc;

	wc.style = CS_VREDRAW | CS_HREDRAW;

	wc.hInstance = hInstance;

	wc.hIcon = LoadIcon( NULL, IDI_APPLICATION );

	wc.hCursor = LoadCursor( NULL, IDC_ARROW );

	wc.hbrBackground = (HBRUSH)( COLOR_WINDOW+1 );

	wc.lpszMenuName = TEXT("GenericAppMenu");

	wc.cbClsExtra = 0;

	wc.cbWndExtra = 0;



	if(! RegisterClass( &wc ))

	{

		MessageBox(NULL,TEXT("必须运行在Windows NT 系统下!"),TEXT("错误"),MB_OK);

		return 0;

	}



	hwnd = CreateWindow( TEXT("GenericAppClass"),

		TEXT("Generic Application"),

		WS_OVERLAPPEDWINDOW|WS_CLIPCHILDREN,

		CW_USEDEFAULT,

		CW_USEDEFAULT,

		300,

		400,

		NULL,

		NULL,

		hInstance,

		NULL

		);



	ShowWindow( hwnd, iCmdShow);



	while(GetMessage(&msg,0,0,0))

	{         

		TranslateMessage( &msg );

		DispatchMessage( &msg );

	}



	return (int)msg.wParam;

}



LRESULT CALLBACK WndProc(HWND hwnd,UINT message,WPARAM wParam ,LPARAM lParam)

{



	static HGLOBAL hResource;

	static char *pText;          //这个声明为WCHAR 的话. 滚动条就不能用了.

	HDC hdc;

	PAINTSTRUCT ps;

	static int iNumLines,ivos;

	TEXTMETRIC tm;

	static int cxChar,cyChar,cxClient,cyClient,xScroll;

	RECT rect;

	static HWND hScroll;





	switch(message)

	{







	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) ;





		SetScrollRange (hScroll, SB_CTL, 0, 100, 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_PAINT :

		hdc = BeginPaint (hwnd, &ps) ;





		GetClientRect (hwnd, &rect) ;

		rect.left += cxChar ;

		rect.top  += cyChar * (1 - ivos) ;

		DrawTextA (hdc, TEXT("test...............\

							 .........................\

							 ...........................\

							 ......................\

							 .........................\

							 ............."), -1, &rect, DT_EXTERNALLEADING) ;



		EndPaint (hwnd, &ps) ;

		return 0 ;





	case WM_VSCROLL :

		switch (wParam)

		{

		case SB_TOP :

			ivos = 0 ;

			break ;

		case SB_BOTTOM :

			ivos = 100 ;

			break ;

		case SB_LINEUP :

			ivos -= 1 ;

			break ;

		case SB_LINEDOWN :

			ivos += 1 ;

			break ;

		case SB_PAGEUP :

			ivos -= cyClient / cyChar ;

			break ;

		case SB_PAGEDOWN :

			ivos += cyClient / cyChar ;

			break ;

		case SB_THUMBPOSITION :

			ivos = LOWORD (lParam) ;

			break ;

		}

		ivos = max (0, min (ivos, 100)) ;



		if (ivos != GetScrollPos (hScroll, SB_CTL))

		{

			SetScrollPos (hScroll, SB_CTL, ivos, TRUE) ;

			InvalidateRect (hwnd, NULL, TRUE) ;

		}

		return 0 ;



	case WM_DESTROY:

		PostQuitMessage(0);

		return 0;



	}



	return DefWindowProc(hwnd,message,wParam,lParam);

}