Button-按钮自绘

//包含炫彩界面库文件
#pragma comment(lib, "XCGUI.lib")
#include "xcgui.h"
 
HWINDOW  hWindow=NULL;
HELE            hButton=NULL;
//自绘事件响应
int CALLBACK OnDrawButton(HDRAW hDraw, BOOL *pbHandled)
{
     *pbHandled=TRUE;
    RECT rect;
    XEle_GetClientRect(hButton,&rect); //获取基于左上角(0,0)坐标
    //XEle_DrawEle(hButton,hDraw); //调用系统绘制
    //element_state_flag_   nStateBase=XEle_GetStateFlags(hButton)  //获取元素的状态
    //common_state3_        nState3=XBtn_GetState(hButton); //获取按钮的3态
    button_state_           nState=XBtn_GetStateEx(hButton);  //获取按钮的5态
    switch(nState)
    {
    case button_state_leave:
        XDraw_SetBrushColor(hDraw,COLORREF_MAKE(250,250,250,255));
        XDraw_FillRect(hDraw, &rect);
        break;
    case button_state_stay:
        XDraw_SetBrushColor(hDraw,COLORREF_MAKE(230,230,230,255));
        XDraw_FillRect(hDraw, &rect);
        break;
    case button_state_down:
        XDraw_SetBrushColor(hDraw,COLORREF_MAKE(210,210,210,255));
        XDraw_FillRect(hDraw, &rect);
        break;
    case button_state_check:
        XDraw_SetBrushColor(hDraw,COLORREF_MAKE(180,180,180,255));
        XDraw_FillRect(hDraw, &rect);
        break;
    case button_state_disable:
        XDraw_SetBrushColor(hDraw,COLORREF_MAKE(100,100,100,255));
        XDraw_FillRect(hDraw, &rect);
        break;
    }
    XDraw_SetTextAlign(hDraw,textAlignFlag_center | textAlignFlag_vcenter); //设置文本居中
    XDraw_SetBrushColor(hDraw,COLORREF_MAKE(200,0,0,255)); //设置文本颜色
    XDraw_DrawText(hDraw,L"DrawButton",wcslen(L"DrawButton"),&rect); //绘制文本
    XEle_DrawFocus(hButton,hDraw,&rect); //绘制焦点或描边
    return 0;    //事件的返回值
}
int APIENTRY _tWinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPTSTR lpCmdLine, int nCmdShow)
{
    XInitXCGUI(); //初始化
    hWindow=XWnd_Create(0,0,300,200,L"炫彩界面库-窗口");//创建窗口
    if(hWindow)
    {
        hButton=XBtn_Create(100,50,80,25,L"Button",hWindow); //创建按钮
        XEle_RegEventC(hButton,XE_PAINT,OnDrawButton);//注册自绘函数
        XWnd_AdjustLayout(m_hWindow);
        XWnd_ShowWindow(hWindow,SW_SHOW);//显示窗口
        XRunXCGUI(); //运行
    }
    XExitXCGUI(); //释放资源
    return 0;
}

程序截图