关于GRAPH控件死机问题

`dc2018 · 发表于 2018-4-23 18:55:37

倒腾了好久, 实在没办法了, 来论坛求教.
由于资源非常有限, 控件显示完数据后需要立马清除,释放内存,否则其它控件无法显示.
现在的问题是显示完曲线清除窗口时候立马死机...
麻烦各位看看,我是哪里错了??

//--------------------------------------------------------------------------------------------//
void CURV_Voltage_Curve(Port_TypeDef * ch)
{
GRAPH_DATA_Handle hData;
GRAPH_SCALE_Handle hScaleV, hScaleH;
WM_HWIN hGraph;
if(in[9].y++ > 80)in[9].y = 0;
hGraph = GRAPH_CreateEx(0, 115, 190, 95, WM_HBKWIN, WM_CF_SHOW, 0, GUI_ID_GRAPH0);
WM_EnableMemdev(hGraph);
hData = GRAPH_DATA_XY_Create(GUI_WHITE, 10, in, 10);//创建 GRAPH_DATA_XY 对象
GRAPH_AttachData(hGraph, hData); //将数据对象附加到 GRAPH 控件
// GRAPH_SetUserDraw(hGraph, _UserDraw); //设置用户回调函数
GRAPH_SetGridDistX(hGraph, 20);
GRAPH_SetGridDistY(hGraph, 20); //设置垂直网格间距。
GRAPH_SetBorder(hGraph, 1, 1, 1, 1); //设置边框
GRAPH_SetGridVis(hGraph, 1); //启用网格绘制
hScaleV = GRAPH_SCALE_Create(20, GUI_TA_RIGHT, GRAPH_SCALE_CF_VERTICAL, 20);//创建 GRAPH_SCALE 对象
// GRAPH_SCALE_SetOff(hScale, 20);//设置添加到编号的可选偏移。
GRAPH_SCALE_SetTextColor(hScaleV, GUI_DARKGREEN);
GRAPH_AttachScale(hGraph, hScaleV); //将刻度对象附加到 GRAPH 控件
hScaleH = GRAPH_SCALE_Create(70, GUI_TA_HCENTER, GRAPH_SCALE_CF_HORIZONTAL, 50);
GRAPH_SCALE_SetFactor(hScaleH, 0.02f);
GRAPH_SCALE_SetTextColor(hScaleH, GUI_DARKGREEN);
GRAPH_AttachScale(hGraph, hScaleH);
GUI_Exec();
FreeBytes = GUI_ALLOC_GetNumFreeBytes(); //返回可用空闲内存
WM_DeleteWindow(hGraph);
}