在研究TCustomControl的显示过程中,怎么样都找不到刷新FWinControls并重新显示的代码: procedure TWinControl.PaintHandler(var Message: TWMPaint); var I, Clip, SaveIndex: Integer; DC: HDC; PS: TPaintStruct; begin DC := Message.DC; then DC := BeginPaint(Handle, PS); try if FControls
Toy Storage Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 5016 Accepted: 2978 Description Mom and dad have a problem: their child, Reza, never puts his toys away when he is finished playing with them. They gave Reza a rectangular box
TOYS Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 13120 Accepted: 6334 Description Calculate the number of toys that land in each bin of a partitioned toy box. Mom and dad have a problem - their child John never puts his toys away w
构造Region 直接构造 public Region(Region region) //复制一个同样的Region变量 public Region(Rect r) public Region(int left, int top, int right, int bottom) 示例: private void drawRegion(Canvas canvas, Region rgn, Paint paint) { RegionIterator iter = new RegionIterator(
1.首先介绍Region类 Region,中文意思即区域的意思,它表示的是canvas图层上的某一块封闭的区域. /**构造方法*/ public Region() //创建一个空的区域 public Region(Region region) //拷贝一个region的范围 public Region(Rect r) //创建一个矩形的区域 public Region(int left, int top, int right, int bottom) //创建一个矩形的区域 /**一系列s