博客主要讲述了VC在图片显示方面的情况，VC可在图片控件中显示BMP，也能用GDI+显示BMP、JPG、TIFF、PNG等格式，但在Win98/Me系统需gdiplus.dll。还提到不知如何显示多页TIFF，使用imgadmin imgedit ocx在不同系统有安装要求，且BurnInAnnotations处理TIFF效果不佳，libtiff文档不足。
1. vc can show bmp in pic control
2.vc can use gdi+ gdiplus to show bmp/jpg/tiff/png.....
but must inside a gdiplus.dll in win98/winme
EncoderParameters GetEncoderClsid
I do not know how to show multi page tiff
3.use imgadmin imgedit ocx
but not in winxp....
when use ocxs,win98 must install 98.ocx,win2000/xp must install 2000.ocx
I do not know why.
and BurnInAnnotations is not good. black the tiff
4.libtiff tifflib not enough docment
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