T tsedlinux Unregistered / Unconfirmed GUEST, unregistred user! 2002-07-02 #1 我用LINETO函数在桌面画了一条线,如何清掉它,而且桌面不能闪?等待中……
T tsedlinux Unregistered / Unconfirmed GUEST, unregistred user! 2002-07-02 #3 aa:=getdc(0); MoveToex(aa,200,200,nil); lineto(aa,400,400) 要怎么清
D doll_paul Unregistered / Unconfirmed GUEST, unregistred user! 2002-07-08 #9 对啊,对啊,楼上说的一点都没错~~ 开发者指南的书上也有相关例子~
T tsedlinux Unregistered / Unconfirmed GUEST, unregistred user! 2002-07-09 #10 我没有那本书啊 请兄弟把这个例子贴出来可以吗?
D doll_paul Unregistered / Unconfirmed GUEST, unregistred user! 2002-07-09 #11 其实,就是上面老兄说的Xor,只要设置画线的模式就成了,很简单! ca1.Pen.Mode:=pmXor; ca1.Pen.Color:=clWhite; ca1.MoveTo(100,100); ca1.LineTo(200,200);
其实,就是上面老兄说的Xor,只要设置画线的模式就成了,很简单! ca1.Pen.Mode:=pmXor; ca1.Pen.Color:=clWhite; ca1.MoveTo(100,100); ca1.LineTo(200,200);