例如我要定義一個WM_IC的消息

1.在emwin窗口文件的頭文件.h文件中聲明 #define WM_IC (WM_USER + 0x00)//自定義消息

2.然后在?switch (pMsg->MsgId) {....}中定義一個case WM_IC：...break;

然后就是想在地方產生此消息用WM_SendMessageNoPara(WM_GetClientWindow(hDlg),WM_IC)即可

其中WM_GetClientWindow為返回客戶端窗口句柄。具體在《emWin5中文手冊》窗口管理器（WM）中14.5WM API這一節中。

#include "DIALOG.h" #include "3DDLG.h" #include "EmWinHZFont.h" #include "shezhi_winDLG.h" #include "delay.h" #include "led.h" #include "rc522.h" #include "tftlcd.h" #include "ltdc.h"/********************************************************************* * * Defines * ********************************************************************** */ #define ID_FRAMEWIN_0 (GUI_ID_USER + 0x00) #define ID_BUTTON_1 (GUI_ID_USER + 0x01)//設置 3 #define ID_BUTTON_2 (GUI_ID_USER + 0x02)//主頁 4 #define ID_BUTTON_3 (GUI_ID_USER + 0x03)//配置 5#define ID_BUTTON_4 (GUI_ID_USER + 0x04)//狀態 1 #define ID_BUTTON_5 (GUI_ID_USER + 0x05)//位置 2 #define ID_BUTTON_6 (GUI_ID_USER + 0x06)//位置 2#define ID_TEXT_1 (GUI_ID_USER + 0x07)//打印機溫度 #define ID_TEXT_2 (GUI_ID_USER + 0x08)//打印機溫度 #define ID_TEXT_3 (GUI_ID_USER + 0x09)//打印機溫度static int m=1,n=0;//m為行，n為列 BUTTON_SKINFLEX_PROPS Props1; u8 flag1=1,flag2=1,flag3=1; char IC_buf0[2]; char IC_buf1[2]; char IC_buf2[2]; char IC_buf3[2]; /**********外部變量聲明***************/ extern u16 info; extern unsigned char IC_SN[4]; //卡號 extern u8 RS485buf[80]; extern u8 show_IC; /**********外部變量聲明***************/const FRAMEWIN_SKINFLEX_PROPS pProps={ GUI_WHITE,GUI_WHITE,GUI_WHITE,GUI_WHITE,GUI_WHITE, 0,5,5,5,1,5,};static const GUI_WIDGET_CREATE_INFO _aDialogCreate[] = {{ FRAMEWIN_CreateIndirect, "3D", ID_FRAMEWIN_0, 0, 0, 480, 272, 0, 0x0, 0 },{ BUTTON_CreateIndirect, "Button", ID_BUTTON_1, 0, 0, 470, 86, 0, 0x0, 0 },//{ BUTTON_CreateIndirect, "Button", ID_BUTTON_2, 160, 86, 160, 87, 0, 0x0, 0 },//{ BUTTON_CreateIndirect, "Button", ID_BUTTON_3, 320, 86, 160, 87, 0, 0x0, 0}, //{ BUTTON_CreateIndirect, "Button", ID_BUTTON_4, 0, 173, 160, 62, 0, 0x0, 0 },//{ BUTTON_CreateIndirect, "Button", ID_BUTTON_5, 160, 173, 160, 62, 0, 0x0, 0 },//{ BUTTON_CreateIndirect, "Button", ID_BUTTON_6, 320, 173, 160, 62, 0, 0x0, 0},//{ TEXT_CreateIndirect, "Text", ID_TEXT_1, 60, 20, 26, 20, 0, 0x64, 0 }, { TEXT_CreateIndirect, "Text", ID_TEXT_2, 80, 20, 160, 50, 0, 0x0, 0 },{ TEXT_CreateIndirect, "Text", ID_TEXT_3, 310, 55, 26, 20, 0, 0x64, 0 }, };static void _cbDialog(WM_MESSAGE * pMsg) {WM_HWIN hItem,hItem1,hItem2,hItem3,hItem4,hItem5;WM_HWIN hText1,hText2,hText3;hItem1= WM_GetDialogItem(pMsg->hWin, ID_BUTTON_1); hItem2= WM_GetDialogItem(pMsg->hWin, ID_BUTTON_2);hItem3= WM_GetDialogItem(pMsg->hWin, ID_BUTTON_3);hItem4= WM_GetDialogItem(pMsg->hWin, ID_BUTTON_5);hItem5= WM_GetDialogItem(pMsg->hWin, ID_BUTTON_6);hText1=WM_GetDialogItem(pMsg->hWin, ID_TEXT_1);hText2=WM_GetDialogItem(pMsg->hWin, ID_TEXT_2); hText3=WM_GetDialogItem(pMsg->hWin, ID_TEXT_3);WM_HWIN XZ_hItem[2][2]={hItem2,hItem3,hItem4,hItem5};//button1,int NCode;int Id;switch (pMsg->MsgId) {case WM_INIT_DIALOG:hItem = pMsg->hWin;FRAMEWIN_SetSkinFlexProps(&pProps,FRAMEWIN_SKINFLEX_PI_ACTIVE);BUTTON_GetSkinFlexProps(&Props1, BUTTON_SKINFLEX_PI_FOCUSSED);Props1.aColorFrame[0] = 0x007FB13C;Props1.aColorFrame[1] = 0x008FfF8F;Props1.aColorFrame[2] = 0x008FfF8F;Props1.aColorUpper[0]=0x008FfF8F;Props1.aColorUpper[1]=0x008FfF8F;Props1.aColorLower[0]=0x008FfF8F;Props1.aColorLower[1]=0x008FfF8F;Props1.Radius = 6;BUTTON_SetSkinFlexProps(&Props1, BUTTON_SKINFLEX_PI_FOCUSSED);//被選中之后的顏色FRAMEWIN_SetTextColor(hItem,GUI_BLACK);FRAMEWIN_SetTextAlign(hItem, GUI_TA_LEFT);FRAMEWIN_SetTitleHeight(hItem, 30);FRAMEWIN_SetFont(hItem, &GUI_FontHZ24);FRAMEWIN_SetText(hItem, "welcome");TEXT_SetFont(hText1, &GUI_Font16B_1);TEXT_SetText(hText1,"ID:");TEXT_SetFont(hText2, &GUI_Font16B_1); TEXT_SetText(hText2," "); //初始化BUTTON1 hItem = WM_GetDialogItem(pMsg->hWin, ID_BUTTON_1);BUTTON_SetText(hItem, "");//初始化BUTTON2hItem = WM_GetDialogItem(pMsg->hWin, ID_BUTTON_2);WM_SetFocus(hItem2);BUTTON_SetText(hItem, "");// //初始化BUTTON3hItem = WM_GetDialogItem(pMsg->hWin,ID_BUTTON_3);BUTTON_SetFocussable(hItem,1);BUTTON_SetText(hItem, "");//初始化 BUTTON4// hItem = WM_GetDialogItem(pMsg->hWin, ID_BUTTON_4);BUTTON_SetText(hItem, ""); //初始化BUTTON5hItem = WM_GetDialogItem(pMsg->hWin, ID_BUTTON_5);BUTTON_SetText(hItem, ""); //初始化BUTTON6hItem = WM_GetDialogItem(pMsg->hWin, ID_BUTTON_6);BUTTON_SetText(hItem, ""); break;case WM_KEY://按鍵控制switch (((WM_KEY_INFO*)(pMsg->Data.p))->Key) {case GUI_KEY_UP:m--;if(m<0) m=0;WM_SetFocus(XZ_hItem[m][n]);break;case GUI_KEY_DOWN:m++;if(m>1) m=1;WM_SetFocus(XZ_hItem[m][n]);break;case GUI_KEY_LEFT:n--;if(n<0) n=0;WM_SetFocus(XZ_hItem[m][n]);break;case GUI_KEY_RIGHT:n++;if(n>1) n=1;WM_SetFocus(XZ_hItem[m][n]);break;case GUI_KEY_END:GUI_EndDialog(pMsg->hWin, 0);Createsehzhi_win();}break;case WM_IC:if(show_IC){sprintf((char*)IC_buf0,"%0x",IC_SN[0]);sprintf((char*)IC_buf1,"%0x",IC_SN[1]);sprintf((char*)IC_buf2,"%0x",IC_SN[2]);sprintf((char*)IC_buf3,"%0x",IC_SN[3]);TEXT_SetFont(hText1, &GUI_Font16B_1);TEXT_SetText(hText1,"ID:");TEXT_SetFont(hText2, &GUI_Font16B_1); TEXT_SetText(hText2,IC_buf0); }else{TEXT_SetText(hText1,"ID:");TEXT_SetText(hText2," ");}break;default:WM_DefaultProc(pMsg);break;}}/********************************************************************* * * Public code * ********************************************************************** */ /********************************************************************* * * Create3D */ WM_HWIN Create3D(void) {WM_HWIN hWin; hWin = GUI_CreateDialogBox(_aDialogCreate,GUI_COUNTOF(_aDialogCreate),_cbDialog, WM_HBKWIN,0,0);return hWin; }// USER START (Optionally insert additional public code) // USER END/*************************** End of file ****************************/

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