是指最大化、最小化、恢复、关闭吗?
procedure WMSysCommand(var Message: TMessage); message WM_SysCommand;
procedure TForm1.WMSysCommand(var Message: TMessage);
begin
if Message.WParam = SC_Close then
ShowMessage('关闭')
else if Message.WParam = SC_MAXIMIZE then
ShowMessage('最小化')
else if Message.WParam = SC_MINIMIZE then
ShowMessage('最大化')
else if Message.WParam = SC_RESTORE then
ShowMessage('恢复');
inherited;
end;
procedure WMSysCommand(var Message: TMessage); message WM_SysCommand;
procedure TForm1.WMSysCommand(var Message: TMessage);
begin
if Message.WParam = SC_Close then
ShowMessage('关闭')
else if Message.WParam = SC_MAXIMIZE then
ShowMessage('最小化')
else if Message.WParam = SC_MINIMIZE then
ShowMessage('最大化')
else if Message.WParam = SC_RESTORE then
ShowMessage('恢复');
inherited;
end;
解决方案 »
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