Description: Some of the ComboBox programming skills, including an increase in the drop-down ComboBox height, width, and remove one of the duplicates.
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File list (Check if you may need any files):
20081171073813\Project1.vbp
..............\Project1.vbw
..............\Form1.frm
..............\Project1.exe
..............\使用说明.txt
20081171073813