how build multiple window program(編號:7806)

Dear ALL,
u know VB itself, the devlopment environment is something like:
left - drawing plattele
right - two boxes for exploring and propeties
some softwares like photoshop, there are similar toolboxes placing on the left and right
leave the middle for displaying the chart or the main contents
So I hope to know how to build such toolboxes
if any one have similar VB source code or reference URL, please kindly help me.
thks for yr geneuie help