透明色是哪个？

来源：百度知道 编辑：UC知道 时间：2024/06/03 19:19:48
黑色是&H00000000&
那么透明呢？
我是想在Vb中窗体透明，只显示控件和文本
全透明的那种
我的意思是：能不能影藏窗体，但是窗体的所有内容（都在图片上）都要显示
如果用异形窗体，那怎么符合图片的轮廓？

不知道你说的透明是半透明还是全部透明,提供3个例子给你吧:

半透明窗体(窗体对鼠标点击有反应):
Option Explicit

'Transparancy API's
Private Declare Function SetLayeredWindowAttributes Lib "user32" (ByVal hWnd As Long, ByVal crKey As Long, ByVal bAlpha As Byte, ByVal dwFlags As Long) As Long
Private Declare Function UpdateLayeredWindow Lib "user32" (ByVal hWnd As Long, ByVal hdcDst As Long, pptDst As Any, psize As Any, ByVal hdcSrc As Long, pptSrc As Any, crKey As Long, ByVal pblend As Long, ByVal dwFlags As Long) As Long
Private Declare Function GetWindowLong Lib "user32" Alias "GetWindowLongA" (ByVal hWnd As Long, ByVal nIndex As Long) As Long
Private Declare Function SetWindowLong Lib "user32" Alias "SetWindowLongA" (ByVal hWnd As Long, ByVal nIndex As Long, ByVal dwNewLong As Long) As Long

Private Const GWL_EXSTYLE = (-20)
Private Const LWA_COLORKEY = &H1
Private Const LWA_ALPHA = &