注释:form上有Command1,command2两个Button并事先设定form之BorderStyle=0
OptionExplicit PrivateDeclareFunctionGetWindowLongLib"user32"Alias"GetWindowLongA"(ByValhwndAsLong,ByValnIndexAsLong)AsLong PrivateDeclareFunctionSetWindowLongLib"user32"Alias"SetWindowLongA"(ByValhwndAsLong,ByValnIndexAsLong,ByValdwNewLongAsLong)AsLong ConstGWL_EXSTYLE=(-20) ConstWS_EX_TRANSPARENT=&H20& PrivatePreValueAsLong
PrivateSubCommand2_Click()注释:还原变成不透明 CallSetWindowLong(Me.hwnd,GWL_EXSTYLE,PreValue) Me.Hide Me.Show EndSub
PrivateSubForm_Load() DimiAsLong
i=GetWindowLong(Me.hwnd,GWL_EXSTYLE) 注释:变成透明的Form PreValue=SetWindowLong(Me.hwnd,GWL_EXSTYLE,iOrWS_EX_TRANSPARENT) Me.Show DoEvents Command1.Refresh注释:令Command1可见 Command2.Refresh注释:令Command2可见 EndSub->
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