截取被遮住的内容

Graphics::TBitmap* Bmp=new Graphics::TBitmap;

 

Bmp->Width=Dwidth;//目标宽高

Bmp->Height=Dheight;

 

SendMessage(DHandle,WM_PAINT,WPARAM(Bmp->Canvas->Handle),0);

 

//--------------------------------------------------------------------------------

SendMessage( Form2->Handle, WM_PRINT, (WPARAM)Canvas->Handle,

            (LPARAM)PRF_NONCLIENT | PRF_CLIENT | PRF_CHILDREN | PRF_CHECKVISIBLE);