typedef struct _WNDCLASS {
UINT style; //制定窗口的类型
WNDPROC lpfnWndProc;
int cbClsExtra; //额外的数值
int cbWndExtra; //额外的内存空间
HANDLE hInstance; //
HICON hIcon; //图标的句柄利用loadicon进行赋值
HCURSOR hCursor; //光标
HBRUSH hbrBackground; //画刷
LPCTSTR lpszMenuName;
LPCTSTR lpszClassName;
} WNDCLASS; destroyWindow :销毁窗口 HICON LoadIcon(
HINSTANCE hInstance, // handle to application instance
LPCTSTR lpIconName // icon-name string or icon resource
// identifier
);
Parameters
- hInstance
- Handle to an instance of the module whose executable file contains the icon to be loaded. This parameter must be NULL when a standard icon is being loaded.
- lpIconName
- Pointer to a null-terminated string that contains the name of the icon resource to be loaded. Alternatively, this parameter can contain the resource identifier in the low-order word and zero in the high-order word. Use the MAKEINTRESOURCE macro to create this value.
To use one of the predefined icons, set the hInstance parameter to NULL and the lpIconName parameter to one of the following values:
Value Description IDI_APPLICATION Default application icon. IDI_ASTERISK Same as IDI_INFORMATION. IDI_ERROR Hand-shaped icon. IDI_EXCLAMATION Same as IDI_WARNING. IDI_HAND Same as IDI_ERROR. IDI_INFORMATION Asterisk icon. IDI_QUESTION Question mark icon. IDI_WARNING Exclamation point icon. IDI_WINLOGO