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vb.net custom controls ---pc based oscilloscope

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rangarirai

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i am having some problems in drawing curves on the custom control i created in vb.net. Due to slow plotting of graphs in my pc based oscilloscope i decided to create a custom oscilloscope background control .problem is ,now that i have created this control i can't draw on it. any one who knows what i need to do to draw on the surface pliz help.Tried getting around the onpaint method and still there is nothing coming out on the screen.thanksssssss
 

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