File list (Check if you may need any files):
ComboBox带DBGRidEh下拉控件\DEMO\Project1.cfg
..........................\....\Project1.dof
..........................\....\Project1.dpr
..........................\....\Project1.exe
..........................\....\Project1.res
..........................\....\Unit1.dcu
..........................\....\Unit1.ddp
..........................\....\Unit1.dfm
..........................\....\Unit1.pas
..........................\....\Unit1.~ddp
..........................\....\Unit1.~dfm
..........................\....\Unit1.~pas
..........................\MulticolComboBox.dcu
..........................\MulticolComboBox.pas
..........................\DEMO
ComboBox带DBGRidEh下拉控件
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