大部分软件的主窗体启动之前，都有一个图标首窗体的启动，并且图标窗体与主窗体共存一段时间，您可以打开excel亲身感受一下。

option explicit

private declare function setwindowpos lib "user32" (byval hwnd as long, byval hwndinsertafter as long, byval x as long, byval y as long, byval cx as long, byval cy as long, byval wflags as long) as long

const hwnd_topmost = -1        窗口置顶

const swp_showwindow = &h40    ‘显示窗体

const swp_nosize = &h1         不允许改变大小

private sub form_load()

    设置窗体永远置顶

    setwindowpos me.hwnd, hwnd_topmost, me.top, me.left, me.width, me.height, swp_nosize or swp_showwindow

end sub

time1 and time2 配合达到延时效果

private sub timer1_timer()

    timer2.enabled = true

    mdiform1.show

end sub

private sub timer2_timer()

    unload me

end sub

private sub form_keydown(keycode as integer, shift as integer)

    unload me

    mdiform1.show

end sub

private sub image1_click()

    unload me

    mdiform1.show

end sub

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