draw.cpp

来自「关于c++的绘图程序 with pictures show the progre」· C++ 代码 · 共 19 行

#include "stdafx.h"
#include "DrawLineExa.h"
#include "Draw.h"
#include <windows.h>

void  DrawLine(HWND hWnd,double inx,double iny)
{
	HDC hDC = GetDC( hWnd );// 创建画笔，并且选入设备环境
	HPEN hPen = CreatePen( 1, 1, RGB( 0, 255, 0 ) );
	HPEN hOld = (HPEN)SelectObject( hDC, hPen );
	// 绘制线条
	MoveToEx( hDC, 10, 20, NULL );
	LineTo( hDC, inx, iny );
	// 完成绘制，恢复设备环境
	SelectObject( hDC, hOld );
	DeleteObject( hPen );
	ReleaseDC( hWnd, hDC );    

}