用vb获取桌面图象_visualbasic教程

概述  PublicDeclareFunctionGetDesktopWindowLib"user32"()AsLong PublicDeclareFunctionGetDCLib"user32"(ByValhwndAsLong)AsLong PublicDeclareFunctionBitBltLib"gdi32"_ (ByValhDestDCAsLong,_ ByValxAsLong,_ ByVa PublicDeclareFunctionGetDesktopWindowlib"user32"()AsLong PublicDeclareFunctionGetDClib"user32"(ByValhwndAsLong)AsLong PublicDeclareFunctionBitBltlib"gdi32"_ (ByValhDestDCAsLong,_ ByValxAsLong,_ ByValyAsLong,_ ByValnWIDthAsLong,_ ByValnHeightAsLong,_ ByValhSrcDCAsLong,_ ByValxSrcAsLong,_ ByValySrcAsLong,_ ByValDWRopAsLong)AsLong PrivateSubForm_Load() DimlDesktopAsLong DimlDCAsLong Form1.autoRedraw=True Form1.ScaleMode=1 lDesktop=GetDesktopWindow()取得桌面窗口 lDC=GetDC(lDesktop)取得桌面窗口的设备场景 BitBltMe.hDC,Screen.WIDth,Screen.Height,lDC,vbSrccopy将桌面图象绘制到窗体 EndSub-> 总结

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