制作GIF录制工具遇到的问题

import win.ui;

/*DSG{{*/

var winform = win.form(text="GIF录制器";right=636;bottom=233;bgcolor=16777215;border="none";parent=...)

winform.add(

plus={cls="plus";left=401;top=30;right=601;bottom=230;z=7};

plusStart={cls="plus";text="开始";left=220;top=47;right=271;bottom=73;bgcolor=11124224;color=16777215;dr=1;dt=1;notify=1;z=5};

plusStop={cls="plus";text="停止";left=279;top=47;right=330;bottom=73;bgcolor=11124224;color=16777215;dr=1;dt=1;notify=1;z=6};

static={cls="static";left=0;top=0;right=644;bottom=27;aw=1;bgcolor=11124224;color=16777215;dl=1;dr=1;dt=1;z=2};

static2={cls="static";text="帧数:";left=222;top=96;right=333;bottom=114;color=11124224;dr=1;dt=1;transparent=1;z=1};

static3={cls="static";text="GIF录制器";left=8;top=6;right=77;bottom=21;color=16777215;dl=1;dt=1;transparent=1;z=3};

staticBlackbox={cls="static";left=3;top=30;right=203;bottom=230;ah=1;aw=1;bgcolor=0;border=1;db=1;dl=1;dr=1;dt=1;z=4}

)

/*}}*/



import console;

import com.picture;



import win.ui.simpleWindow;

var sfm = win.ui.simpleWindow(winform)



/*自定义标题栏关闭、最大化、最小化按钮样式用法与plus控件的skin函数相同*/

sfm.skin(

    background = { 

        hover = 0xAA00bea9;

        active = 0xAA00bea9; 

        default = 0xFF00bea9; 

    }

    color = {

        hover = 0xffffffff;

        active = 0xff202020;     

        default = 0xffffffff; 

    }

)



//console.varDump(sfm.titlebar)



winform.plusStart.skin(

    background = { 

        hover = 0xEF00bea9;

    }

)



winform.plusStop.skin(

    background = { 

        hover = 0xEF00bea9; 

    }

)



winform.plusStart.oncommand = function(id,event){

    //winform.msgbox("开始")

    var 左坐标 = winform.left + winform.staticBlackbox.left;

    var 顶坐标 = winform.top + winform.staticBlackbox.top;

    var 宽度 = winform.staticBlackbox.width;

    var 高度 = winform.staticBlackbox.height;

    var bmp = com.picture.snap(,左坐标,顶坐标,宽度,高度)//窗口句柄,左坐标,顶坐标,宽,高

    //winform.plus.setBackground(bmp,,true)//不清晰

    winform.plus.foreground = bmp

}



winform.plusStop.oncommand = function(id,event){

    winform.msgbox("停止")

}



//窗体开洞

winform.transparent(128,0);





winform.enableDpiScaling();

winform.show();





win.loopMessage();

return winform;



/*

窗口上所有黑色的都会被透明化,包括外边框/标题/控件文字等,所以要用plus模拟无黑色像素的界面.

*/