Minigui局部刷新 InvalidateRect

不念不忘少年蓝@ 2022-09-10 15:09 182阅读 0赞

# 整体刷新 #

InvalidateRect (hWnd, NULL, TRUE);

# 局部刷新 #

//局部刷新菜单按钮区域结构体
    	static RECT rtLast={ 
    		left:128,
    		top:421,
    		right:235,
    		bottom:446,
    	};
    
    	//局部刷新
    	InvalidateRect (hWnd, &rtLast, TRUE);

RECT 结构：  
[https://minigui.fmsoft.cn/api\_ref/3.0.12\_processes/struct\_\_RECT.html\#ad8f5e19e19f12974c9713e920ec54331][https_minigui.fmsoft.cn_api_ref_3.0.12_processes_struct_RECT.html_ad8f5e19e19f12974c9713e920ec54331]

_RECT Struct Reference
    [Win32-like data types and macros]
    #include <common.h>
    
    Data Fields
    int left
    int top
    int right
    int bottom
    Detailed Description
    A rectangle defined by coordinates of corners.
    
    Note:
    The lower-right corner does not belong to the rectangle, i.e. the bottom horizontal line and the right vertical line are excluded from the retangle.
    See also:
    PRECT, GAL_Rect
    Definition at line 572 of file common.h.
    
    Field Documentation
    int bottom
    The y coordinate of the lower-right corner of the rectangle.
    
    Definition at line 589 of file common.h.
    
    int left
    The x coordinate of the upper-left corner of the rectangle.
    
    Definition at line 577 of file common.h.
    
    Referenced by PtInRect().
    
    int right
    The x coordinate of the lower-right corner of the rectangle.
    
    Definition at line 585 of file common.h.
    
    int top
    The y coordinate of the upper-left corner of the rectangle.
    
    Definition at line 581 of file common.h.
    
    Referenced by PtInRect().
    
    The documentation for this struct was generated from the following file:
    common.h

大概意思：

//局部刷新菜单按钮区域结构体
    static RECT rtLast={ 
    	left:0, //矩形左上角的 x 坐标。
    	top:0, //矩形左上角的 y 坐标。
    	right:800, //矩形右下角的 x 坐标。
    	bottom:60, //矩形右下角的 y 坐标。
    };

[https_minigui.fmsoft.cn_api_ref_3.0.12_processes_struct_RECT.html_ad8f5e19e19f12974c9713e920ec54331]: https://minigui.fmsoft.cn/api_ref/3.0.12_processes/struct__RECT.html#ad8f5e19e19f12974c9713e920ec54331